Lincoln Corsair Manuals

Lincoln Corsair: Handles, Locks, Latches and Entry Systems / Diagnosis and Testing - Locks, Latches and Entry Systems

Diagnostic Trouble Code (DTC) Chart

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).


Module DTC Description Action
BCM B10AB:00 Remote Keyless Entry Synchronization: No Sub Type Information GO to Pinpoint Test T
BCM B10C7:01 Interior Trunk Antenna: General Electrical Failure GO to Pinpoint Test Z
BCM B1218:00 Transmitter Identification Code: No Sub Type Information GO to Pinpoint Test T
BCM B121A:11 Keypad Illumination Output: Circuit Short To Ground GO to Pinpoint Test R
BCM B121A:15 Keypad Illumination Output: Circuit Short To Battery Or Open GO to Pinpoint Test R
BCM B121A:15 Keypad Illumination Output: Circuit Short To Battery Or Open GO to Pinpoint Test S
BCM B121B:01 Keypad Input Switch: General Electrical Failure GO to Pinpoint Test Q
BCM B1336:01 Left Front Door External Antenna: General Electrical Failure GO to Pinpoint Test Y
BCM B1337:01 Right Front Door External Antenna: General Electrical Failure GO to Pinpoint Test Y
BCM B1381:11 Left Front Door Handle Proximity Sensor: Circuit Short To Ground GO to Pinpoint Test Y
BCM B1381:15 Left Front Door Handle Proximity Sensor: Circuit Short To Battery Or Open GO to Pinpoint Test Y
BCM B1381:29 Left Front Door Handle Proximity Sensor: Signal Invalid GO to Pinpoint Test Y
BCM B1382:11 Right Front Door Handle Proximity Sensor: Circuit Short To Ground GO to Pinpoint Test Y
BCM B1382:15 Right Front Door Handle Proximity Sensor: Circuit Short To Battery Or Open GO to Pinpoint Test Y
BCM B1382:29 Right Front Door Handle Proximity Sensor: Signal Invalid GO to Pinpoint Test Y
BCM B1383:11 Left Rear Door Handle Proximity Sensor: Circuit Short To Ground GO to Pinpoint Test Y
BCM B1383:15 Left Rear Door Handle Proximity Sensor: Circuit Short To Battery Or Open GO to Pinpoint Test Y
BCM B1383:29 Left Rear Door Handle Proximity Sensor: Signal Invalid GO to Pinpoint Test Y
BCM B1384:11 Right Rear Door Handle Proximity Sensor: Circuit Short To Ground GO to Pinpoint Test Y
BCM B1384:15 Right Rear Door Handle Proximity Sensor: Circuit Short To Battery Or Open GO to Pinpoint Test Y
BCM B1384:29 Right Rear Door Handle Proximity Sensor: Signal Invalid GO to Pinpoint Test Y
BCM B1490:11 Lock Indicator LED Status Output: Circuit Short To Ground GO to Pinpoint Test L
BCM B1490:15 Lock Indicator LED Status Output: Circuit Short To Battery Or Open GO to Pinpoint Test L
BCM B1490:15 Lock Indicator LED Status Output: Circuit Short To Battery Or Open GO to Pinpoint Test M
BCM B14B8:11 Sounder: Circuit Short To Ground GO to Pinpoint Test O
BCM B14B8:15 Sounder: Circuit Short To Battery Or Open GO to Pinpoint Test O
BCM B14B8:15 Sounder: Circuit Short To Battery Or Open GO to Pinpoint Test P
BCM U0258:87 Lost Communication With Radio Transceiver: Missing Message GO to Pinpoint Test AB
DDM B108F:23 Cabin Lock/Unlock Switch: Signal Stuck Low GO to Pinpoint Test J
DDM B1142:29 Ignition Status 1: Signal Invalid GO to Pinpoint Test AD
DDM B12BA:11 Lock Status LED - Front: Circuit Short To Ground GO to Pinpoint Test L
DDM B12BA:15 Lock Status LED - Front: Circuit Short To Battery Or Open GO to Pinpoint Test L
DDM B12BA:15 Lock Status LED - Front: Circuit Short To Battery Or Open GO to Pinpoint Test M
DDM U0140:00 Lost Communication With Body Control Module: No Sub Type Information GO to Pinpoint Test AE
DDM U0164:00 Lost Communication With HVAC Control Module: No Sub Type Information GO to Pinpoint Test AF
DDM U0208:00 Lost Communication With 'Seat Control Module A': No Sub Type Information GO to Pinpoint Test AG
DDM U0232:00 Lost Communication With Side Obstacle Detection Control Module 'A': No Sub Type Information GO to Pinpoint Test AH
DDM U0294:00 Lost Communication With Powertrain Control Monitor Module: No Sub Type Information GO to Pinpoint Test AJ
DDM U0422:00 Invalid Data Received From Body Control Module: No Sub Type Information GO to Pinpoint Test AM
DDM U0509:00 Invalid Data Received From 'Seat Control Module A': No Sub Type Information GO to Pinpoint Test AM
DDM U2100:00 Initial Configuration Not Complete: No Sub Type Information GO to Pinpoint Test AN
DDM U2200:00 Control Module Configuration Memory Corrupt: No Sub Type Information GO to Pinpoint Test AN
DDM U3000:49 Control Module: Internal Electronic Failure GO to Pinpoint Test AO
DDM U3003:16 Battery Voltage: Circuit Voltage Below Threshold GO to Pinpoint Test AK
DDM U3003:17 Battery Voltage: Circuit Voltage Above Threshold GO to Pinpoint Test AL
PCM P04B5:00 Fuel Fill Door Stuck Open: No Sub Type Information GO to Pinpoint Test AP
PCM P04BA:00 Fuel Fill Door Position Sensor/Switch Circuit High: No Sub Type Information GO to Pinpoint Test AP
PCM P04C1:00 Fuel Fill Door Unlock Control Circuit Low: No Sub Type Information GO to Pinpoint Test AR
PCM P04C2:00 Fuel Fill Door Unlock Control Circuit High: No Sub Type Information GO to Pinpoint Test AQ
PCM P04C9:00 Fuel Fill Door Open Request Sensor/Switch Performance/Stuck Off: No Sub Type Information GO to Pinpoint Test AQ
PCM P04CA:00 Fuel Fill Door Open Request Sensor/Switch Circuit Low: No Sub Type Information GO to Pinpoint Test AQ
PCM P04CB:00 Fuel Fill Door Open Request Sensor/Switch Circuit High: No Sub Type Information GO to Pinpoint Test AQ
PCM P04CD:00 Fuel Fill Door Open Request Sensor/Switch Stuck On: No Sub Type Information GO to Pinpoint Test AQ
PCM P1594:00 Forced Engine Shutdown - Remote Start System Fault, No Unattended Vehicle Timeout: No Sub Type Information GO to Pinpoint Test AC
PCM P1595:00 Forced Engine Shutdown - Remote Start System Fault, Transmission Range Not In Park Position: No Sub Type Information GO to Pinpoint Test AC
PDM B108F:23 Cabin Lock/Unlock Switch: Signal Stuck Low GO to Pinpoint Test J
PDM B1142:29 Ignition Status 1: Signal Invalid GO to Pinpoint Test AD
PDM B12BA:11 Lock Status LED - Front: Circuit Short To Ground GO to Pinpoint Test L
PDM B12BA:15 Lock Status LED - Front: Circuit Short To Battery Or Open GO to Pinpoint Test L
PDM B12BA:15 Lock Status LED - Front: Circuit Short To Battery Or Open GO to Pinpoint Test M
PDM U0140:00 Lost Communication With Body Control Module: No Sub Type Information GO to Pinpoint Test AE
PDM U0164:00 Lost Communication With HVAC Control Module: No Sub Type Information GO to Pinpoint Test AF
PDM U0208:00 Lost Communication With 'Seat Control Module A': No Sub Type Information GO to Pinpoint Test AG
PDM U0233:00 Lost Communication With Side Obstacle Detection Control Module 'B': No Sub Type Information GO to Pinpoint Test AI
PDM U0294:00 Lost Communication With Powertrain Control Monitor Module: No Sub Type Information GO to Pinpoint Test AJ
PDM U0422:00 Invalid Data Received From Body Control Module: No Sub Type Information GO to Pinpoint Test AM
PDM U2100:00 Initial Configuration Not Complete: No Sub Type Information GO to Pinpoint Test AN
PDM U2200:00 Control Module Configuration Memory Corrupt: No Sub Type Information GO to Pinpoint Test AN
PDM U3000:49 Control Module: Internal Electronic Failure GO to Pinpoint Test AO
PDM U3003:16 Battery Voltage: Circuit Voltage Below Threshold GO to Pinpoint Test AK
PDM U3003:17 Battery Voltage: Circuit Voltage Above Threshold GO to Pinpoint Test AL
RTM U1A00:00 Private Communication Network: No Sub Type Information GO to Pinpoint Test AB

Global Customer Symptom Code (GCSC) Chart

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).


Symptom Action
Start/Run/Move > Starting > Remote Start > Inoperative GO to Pinpoint Test W
Start/Run/Move > Starting > Remote Start > Inoperative GO to Pinpoint Test X
Safe & Secure > Latches/Locks > Door > Difficult to Close GO to Pinpoint Test A
Safe & Secure > Latches/Locks > Door > Difficult to Open GO to Pinpoint Test A
Safe & Secure > Latches/Locks > Door > Difficult to Open GO to Pinpoint Test B
Safe & Secure > Latches/Locks > Door > Difficult to Open GO to Pinpoint Test C
Safe & Secure > Latches/Locks > Door > Loose/Attachment GO to Pinpoint Test F
Safe & Secure > Latches/Locks > Door > Manual Function GO to Pinpoint Test G
Safe & Secure > Latches/Locks > Door > Power Function GO to Pinpoint Test H
Safe & Secure > Latches/Locks > Door > Power Function GO to Pinpoint Test I
Safe & Secure > Latches/Locks > Door > Power Function GO to Pinpoint Test J
Safe & Secure > Latches/Locks > Door > Power Function GO to Pinpoint Test K
Safe & Secure > Latches/Locks > Door > Power Function GO to Pinpoint Test L
Safe & Secure > Latches/Locks > Door > Power Function GO to Pinpoint Test M
Safe & Secure > Latches/Locks > Door > Power Function GO to Pinpoint Test Q
Safe & Secure > Latches/Locks > Door > Sticks/Binds GO to Pinpoint Test D
Safe & Secure > Latches/Locks > Door > Sticks/Binds GO to Pinpoint Test E
Safe & Secure > Latches/Locks > Fuel Door > Difficult to Close GO to Pinpoint Test N
Safe & Secure > Latches/Locks > Fuel Door > Difficult to Close GO to Pinpoint Test AR
Safe & Secure > Latches/Locks > Fuel Door > Difficult to Open GO to Pinpoint Test AQ
Safe & Secure > Horn/Sounder > Performance > Inoperative GO to Pinpoint Test O
Safe & Secure > Horn/Sounder > Performance > Stays On GO to Pinpoint Test P
Safe & Secure > Remote Entry > Control > Inoperative GO to Pinpoint Test T
Safe & Secure > Remote Entry > Control > Inoperative GO to Pinpoint Test U
Safe & Secure > Remote Entry > Control > Inoperative GO to Pinpoint Test Y
Safe & Secure > Remote Entry > Control > Inoperative GO to Pinpoint Test Z
Safe & Secure > Remote Entry > Performance > Inoperative GO to Pinpoint Test R
Safe & Secure > Remote Entry > Performance > Inoperative GO to Pinpoint Test S
Safe & Secure > Remote Entry > Performance > Inoperative GO to Pinpoint Test V
Safe & Secure > Remote Entry > Performance > Inoperative GO to Pinpoint Test AA

Symptom Charts

Symptom Chart: Handles, Locks, Latches and Entry Systems - Mechanical

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

Condition Actions
Hard to open or close a door from either door handle
  • GO to Pinpoint Test A
A door is difficult or does not open from the exterior door handle
  • GO to Pinpoint Test B
A door is difficult or does not open from the interior door handle
  • GO to Pinpoint Test C
The exterior door release handle sticks
  • GO to Pinpoint Test D
The interior door release handle sticks
  • GO to Pinpoint Test E
Squeak-rattle-chucking noise from door
  • GO to Pinpoint Test F
The manual door lock cylinder is inoperative
  • GO to Pinpoint Test G

Symptom Chart: Handles, Locks, Latches and Entry Systems - Electrical

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

Condition Actions
The doors do not unlock using the Phone As A Key feature

  • REFER to: Passive Anti-Theft System (PATS) (419-01 Passive Anti-Theft System (PATS)) .
All door locks are inoperative
  • GO to Pinpoint Test H
A single or more than one door lock is inoperative
  • GO to Pinpoint Test I
The door locks operate only one way
  • GO to Pinpoint Test J
All door locks are inoperative from one door lock control switch
  • GO to Pinpoint Test K
A door lock indicator is inoperative
  • GO to Pinpoint Test L
A door lock indicator is always on
  • GO to Pinpoint Test M
The power liftgate is inoperative

  • REFER to: Body Closures (501-03 Body Closures, Diagnosis and Testing).
The fuel filler door lock is inoperative
  • GO to Pinpoint Test N
The RKE exterior sounder is inoperative
  • GO to Pinpoint Test O
The RKE exterior sounder chimes continuously
  • GO to Pinpoint Test P
The doors do not lock or unlock using the keyless entry keypad
  • GO to Pinpoint Test Q
The keyless entry keypad illumination is inoperative
  • GO to Pinpoint Test R
The keyless entry keypad illumination is always on
  • GO to Pinpoint Test S
The RKE transmitter is inoperative
  • GO to Pinpoint Test T
An individual button/feature is inoperative from the RKE transmitter
  • GO to Pinpoint Test U
The RKE transmitter has poor range performance
  • GO to Pinpoint Test V
The remote start feature is inoperative
  • GO to Pinpoint Test W
The remote start feature operates, but the remote start feedback LED is inoperative
  • GO to Pinpoint Test X
The smart unlock is inoperative

  • REFER to: Passive Anti-Theft System (PATS) (419-01B Passive Anti-Theft System (PATS), Diagnosis and Testing).
The 2-stage door unlocking does not operate correctly

  • REFER to: Staged Unlock Programming (501-14 Handles, Locks, Latches and Entry Systems, General Procedures).
A door passive entry feature is inoperative
  • GO to Pinpoint Test Y
The liftgate passive entry feature is inoperative
  • GO to Pinpoint Test Z
The approach detection feature is inoperative
  • GO to Pinpoint Test AA
The fuel filler door release is inoperative (hybrid vehicles)
  • GO to Pinpoint Test AQ
The fuel filler door does not latch (hybrid vehicles)
  • GO to Pinpoint Test AR

Pinpoint Tests


PINPOINT TEST A: HARD TO OPEN OR CLOSE A DOOR FROM EITHER DOOR HANDLE

Normal Operation and Fault Conditions

The door latch can be actuated from the interior or exterior door handle. When actuated, the door latch releases and allows the door to open. If the door latch or the door hinges have insufficient lubrication or if the striker or door are misaligned, it causes extra force to be used when opening or closing the door.

Possible Sources

  • Door alignment
  • Door hinges
  • Striker adjustment
  • Door latch
A1 CHECK THE LATCH OPERATION FROM BOTH DOOR HANDLES
  • Open the door using both the interior and exterior door handles.

Does the door open normally from one of the door handles?
Yes If the door is difficult/does not open from the exterior door handle, GO to Pinpoint Test B
If the door is difficult/does not open from the interior door handle, GO to Pinpoint Test C
No GO to A2

A2 CHECK THE LATCH OPERATION
  • Open the door.
  • Using a screwdriver, fully close the latch (2 clicks).
  • Verify the latch releases easily while pulling on the interior/exterior door handle.

Does the latch release easily?
Yes GO to A4
No GO to A3

A3 CHECK THE LATCH OPERATION AFTER LUBRICATION
  • Lubricate the door latch.
    REFER to: Door Latch Lubrication (501-14 Handles, Locks, Latches and Entry Systems, General Procedures).
  • Using a screwdriver, fully close the latch (2 clicks).
  • Verify the latch releases easily while pulling on the interior/exterior door handle.

Does the latch release easily?
Yes The concern was caused by an insufficiently lubricated door latch.
No INSTALL a new door latch.
REFER to: Front Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
REFER to: Rear Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

A4 CHECK THE STRIKER ADJUSTMENT
  • Check the adjustment of the striker.

Is the striker adjusted correctly?
Yes GO to A5
No ADJUST the striker as necessary.

A5 CHECK THE DOOR ALIGNMENT
  • Check the alignment of the door.

Is the door aligned correctly?
Yes LUBRICATE the door hinges.
No ADJUST the door as necessary.
REFER to: Front Door Alignment (501-03 Body Closures, General Procedures).
REFER to: Rear Door Alignment (501-03 Body Closures, General Procedures).

PINPOINT TEST B: A DOOR IS DIFFICULT OR DOES NOT OPEN FROM THE EXTERIOR DOOR HANDLE

Normal Operation and Fault Conditions

The exterior door handle is connected to the door latch with an actuating cable. When the exterior door handle is pulled, the actuating cable pulls on the latch lever. When the latch lever moves, the door latch releases, allowing the door to open.

Possible Sources

  • Broken or binding linkage
  • Exterior door handle reinforcement
  • Door latch
B1 CHECK THE LATCH OPERATION FROM BOTH DOOR HANDLES
  • Open and close the door using both the interior and exterior door handles.

Does the door open normally from one of the door handles?
Yes If the door is difficult/does not open from only the exterior door handle, GO to B2
If the door is difficult/does not open from only the interior door handle, GO to Pinpoint Test C
No GO to Pinpoint Test A

B2 CHECK THE EXTERIOR DOOR HANDLE AND CABLE OPERATION
  • Disconnect the exterior door handle actuating cable from the door latch.
  • Operate the exterior door handle while observing the linkage and cable.

Are any of the exterior door handle components or linkages binding or broken?
Yes GO to B3
No INSTALL a new door latch.
REFER to: Front Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
REFER to: Rear Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

B3 CHECK THE EXTERIOR DOOR HANDLE REINFORCEMENT
  • Disconnect the exterior door handle actuating cable from the exterior door handle reinforcement.
  • Pull and release the exterior door handle.

Does the exterior door handle operate correctly?
Yes INSTALL a new exterior door handle cable.
No INSTALL a new exterior door handle reinforcement.
REFER to: Exterior Front Door Handle Reinforcement (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
REFER to: Exterior Rear Door Handle Reinforcement (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

PINPOINT TEST C: A DOOR IS DIFFICULT OR DOES NOT OPEN FROM THE INTERIOR DOOR HANDLE

Normal Operation and Fault Conditions

The interior door handle is connected to the door latch by an actuating cable. When the interior door handle is pulled, the cable pulls on the latch lever. When the latch lever moves, the door latch releases, allowing the door to open.

Possible Sources

  • Broken or binding cable/linkage
  • Door latch

Visual Inspection and Pre-checks

  • For the rear doors, make sure the child safety lock is in the unlock position.
C1 CHECK THE LATCH OPERATION FROM BOTH DOOR HANDLES

NOTE: Make sure the child safety lock is in the unlock position for the rear doors.

  • NOTE: The rear door interior door handle must be pulled twice to unlock and unlatch. Open the door using both the interior and exterior door handles.

Does the door open normally from one of the door handles?
Yes If the door is difficult/does not open from only the interior door handle, GO to C2
If the door is difficult/does not open from only the exterior door handle, GO to Pinpoint Test B
No GO to Pinpoint Test A

C2 CHECK THE INTERIOR DOOR HANDLE AND CABLE/LINKAGE OPERATION
  • Remove the door trim panel.
  • Install the interior door handle back onto the release cable.
  • Operate the interior door handle while observing the cable/linkage.

Are any of the interior door handle components or cable/linkages binding or broken?
Yes REPAIR as necessary.
No INSTALL a new door latch.
REFER to: Front Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
REFER to: Rear Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

PINPOINT TEST D: THE EXTERIOR DOOR RELEASE HANDLE STICKS

Normal Operation and Fault Conditions

The exterior door handle is connected to the door latch with an actuating cable. When the exterior door handle is pulled, the actuating cable pulls on the latch lever. When the latch lever moves, the door latch releases, allowing the door to open. The handle has a return spring to make sure the handle returns to a closed position.

Possible Sources

  • Binding linkage
  • Broken handle return spring
  • Door latch
D1 CHECK FOR A BROKEN RETURN SPRING
  • Remove the window regulator and motor.
    REFER to: Front Door Window Regulator and Motor (501-11 Glass, Frames and Mechanisms, Removal and Installation).
    REFER to: Rear Door Window Regulator and Motor (501-11 Glass, Frames and Mechanisms, Removal and Installation).
  • Install the exterior door handle strap back onto the exterior door handle reinforcement.
  • Disconnect the exterior door handle actuating rod from the door latch.
  • Pull and release the exterior door handle

Does the exterior door handle return to a closed position once released?
Yes GO to D2
No INSTALL a new exterior door handle reinforcement.
REFER to: Exterior Front Door Handle Reinforcement (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
REFER to: Exterior Rear Door Handle Reinforcement (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

D2 CHECK THE EXTERIOR DOOR HANDLE AND LINKAGE OPERATION
  • Operate the exterior door handle while observing the linkage.

Are any of the exterior door handle components or linkages binding?
Yes REPAIR as necessary.
No INSTALL a new door latch.
REFER to: Front Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
REFER to: Rear Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

PINPOINT TEST E: THE INTERIOR DOOR RELEASE HANDLE STICKS

Normal Operation and Fault Conditions

The interior door handle is connected to the door latch by an actuating cable. When the interior door handle is pulled, the cable pulls on the latch lever. When the latch lever is moved, the door latch releases, allowing the door to open. The handle has a return spring to make sure the handle returns to a closed position.

Possible Sources

  • Binding cable
  • Broken handle return spring
  • Door latch
E1 CHECK FOR A BROKEN RETURN SPRING
  • Remove the interior door handle.
    REFER to: Interior Front Door Handle (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
    REFER to: Interior Rear Door Handle (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
  • Pull and release the interior door handle.

Does the interior door handle return to a closed position once released?
Yes GO to E2
No INSTALL a new interior door handle.
REFER to: Interior Front Door Handle (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
REFER to: Interior Rear Door Handle (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

E2 CHECK THE INTERIOR DOOR HANDLE CABLE OPERATION
  • Remove the interior door latch release cable.
  • Observe the door latch release cable for any damage or binding.

Is the door latch release cable OK?
Yes INSTALL a new door latch.
REFER to: Front Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
REFER to: Rear Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
No INSTALL a new interior door handle cable.

PINPOINT TEST F: SQUEAK-RATTLE-CHUCKING NOISE FROM DOOR

Possible Sources

  • Door alignment
  • Door latch
F1 CHECK FOR ANY LOOSE COMPONENTS
  • Remove the door trim panel.
    REFER to: Front Door Trim Panel (501-05 Interior Trim and Ornamentation, Removal and Installation).
    REFER to: Rear Door Trim Panel (501-05 Interior Trim and Ornamentation, Removal and Installation).
  • Inspect inside the door for any loose components.

Are there any loose components inside the door?
Yes REPAIR as necessary.
No GO to F2

F2 CHECK THE DOOR ALIGNMENT
  • Check the alignment of the door.
    REFER to: Vehicle Specific Body Construction (501-26 Body Repairs - Vehicle Specific Information and Tolerance Checks, Description and Operation).

Is the door aligned correctly?
Yes GO to F3
No ADJUST the door as necessary.
REFER to: Body Closures (501-03 Body Closures, Diagnosis and Testing).

F3 CHECK THE LATCH OPERATION AFTER LUBRICATION
  • Lubricate the door latch.
    REFER to: Door Latch Lubrication (501-14 Handles, Locks, Latches and Entry Systems, General Procedures).
  • Using a screwdriver, fully close the latch (2 clicks).
  • Operate the door latch and listen for the noise.

Is the original noise still present after the latch is lubricated?
Yes INSTALL a new door latch.
REFER to: Front Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
REFER to: Rear Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
No The concern was caused by an insufficiently lubricated door latch.

PINPOINT TEST G: THE MANUAL DOOR LOCK CYLINDER IS INOPERATIVE

Normal Operation and Fault Conditions

The door lock cylinder is connected to the door latch via a lock rod and can be used to manually lock/unlock the door.

Possible Sources

  • Bent or binding lock rod and lever
  • Door lock cylinder
  • Door latch
G1 CHECK THE LOCK AND UNLOCK OPERATION
  • Insert a key into the lock cylinder and rotate the lock cylinder to the lock and unlock positions.

Does the door lock cylinder freely rotate without locking and unlocking the door?
Yes GO to G2
No GO to G4

G2 CHECK THE DOOR LOCK CYLINDER (FREE-SPIN)
  • Remove the door lock cylinder.
    REFER to: Door Lock Cylinder (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
  • Operate the door lock cylinder with the key while holding the lever on the lock cylinder.

Does the key in the door lock cylinder rotate freely while the lever is stationary?
Yes INSTALL a new door lock cylinder.
REFER to: Door Lock Cylinder (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
No GO to G3

G3 CHECK THE DOOR LOCK CYLINDER LINKAGE CONNECTION
  • Inspect the door lock cylinder linkage.

Is the door lock cylinder rod and lever disconnected?
Yes CONNECT the door lock cylinder rod and lever.
No INSTALL a new door latch.
REFER to: Front Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

G4 CHECK THE LOCK CYLINDER OPERATION AFTER LUBRICATION
  • Spray a lock lubricant (such as Motorcraft® XL-1) into the lock cylinder opening for a couple of seconds.
  • Operate the door lock cylinder with the key.

Does the door lock and unlock using the door lock cylinder?
Yes The concern was caused by an insufficiently lubricated lock cylinder. SPRAY a multi-purpose grease (such as Motorcraft® XL-5) into the lock cylinder for a couple seconds to provide long term lubrication.
No GO to G5

G5 CHECK THE DOOR LOCK CYLINDER FOR BINDING
  • Remove the door lock cylinder.
    REFER to: Door Lock Cylinder (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
  • Operate the door lock cylinder with the key.

Does the door lock cylinder rotate freely?
Yes GO to G6
No INSTALL a new door lock cylinder.
REFER to: Door Lock Cylinder (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

G6 CHECK THE DOOR LOCK CYLINDER LINKAGE
  • Operate the door lock using the door lock cylinder linkage.
  • Operate the door lock cylinder with the key.

Is the door lock cylinder rod and lever binding, damaged or disconnected?
Yes REPAIR as necessary.
No INSTALL a new door latch.
REFER to: Front Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

PINPOINT TEST H: ALL DOOR LOCKS ARE INOPERATIVE

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

Possible Sources

  • Wiring, terminals or connectors
  • BCM

Visual Inspection and Pre-checks

  • Check the door lock control switch for damage.

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

H1 CHECK FOR BCM (BODY CONTROL MODULE) , DDM (DRIVER DOOR MODULE) AND PDM (PASSENGER DOOR MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Ignition ON.
  • Using a diagnostic scan tool, carry out the BCM self-test.
  • Using a diagnostic scan tool, carry out the DDM \ self-test.
  • Using a diagnostic scan tool, carry out the PDM self-test.

Are any Diagnostic Trouble Codes (DTCs) present?
Yes REFER to the DTC Chart in this section
No GO to H2

H2 VERIFY THE OPERATION OF BOTH DOOR LOCK CONTROL SWITCHES
  • Press the lock and unlock buttons on both door lock control switches while observing the door lock operation.

Does any door lock operate?
Yes GO to H3
No GO to H4

H3 CHECK IF THE LOCKS OPERATE IN ONLY ONE DIRECTION
  • Press the lock and unlock buttons from the driver door lock control switch and then the passenger door lock control switch while observing the door locks.

Are all the door locks inoperative from both switch positions (lock and unlock) of either door lock control switch?
Yes GO to Pinpoint Test K
No GO to Pinpoint Test J

H4 CHECK THE BCM (BODY CONTROL MODULE) DOOR LOCK GROUND CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Disconnect BCM C2280F .
  • Measure
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C2280F-24   Ground

Is the resistance less than 3 ohms?
Yes GO to H5
No REPAIR the circuit.

H5 CHECK THE ALL DOOR LOCK CIRCUIT FOR AN OPEN
  • Disconnect Left Front Door Latch C525A .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C2280F-1   C525A-1

Is the resistance less than 3 ohms?
Yes GO to H6
No REPAIR the circuit.

H6 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION
  • Disconnect and inspect all the BCM connectors.
  • Repair:
    • Corrosion (clean module pins or install new connectors or terminals)
    • Damaged or bent pins (install new terminals or pins)
    • Pushed-out pins (install new pins as necessary)
  • Reconnect the BCM connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST I: A SINGLE OR MORE THAN ONE DOOR LOCK IS INOPERATIVE

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Overview (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).
REFER to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

Possible Sources

  • Wiring, terminals or connectors
  • Door latch
  • BCM

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

I1 CHECK THE DOOR LATCH FOR BINDING
  • Lock and unlock the inoperative door lock using the manual door lock located just above the door latch opening.

Does the door lock and unlock?
Yes GO to I2
No INSTALL a new door latch.
REFER to: Front Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
REFER to: Rear Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

I2 CHECK THE BCM (BODY CONTROL MODULE) ALL LOCK OUTPUT CIRCUIT FOR AN OPEN

NOTICE: The following step uses a test lamp to simulate normal circuit loads. Use only a Rotunda Test Lamp (SGT27000) or 250-300mA incandescent bulb test lamp. To avoid connector terminal damage, use the Rotunda Flex Probe kit for the test lamp probe connection to the vehicle. Do not use the test lamp probe directly on any connector.

  • Ignition OFF.
  • Disconnect the suspect door latch.
  • For the suspect door latch, connect:
    Click to display connectors

      Left Front Door Latch


    Positive Lead Measurement / Action Negative Lead
      C525A-1   Ground

    Click to display connectors

      Right Front Door Latch


    Positive Lead Measurement / Action Negative Lead
      C609-6   Ground

    Click to display connectors

      Left Rear Door Latch


    Positive Lead Measurement / Action Negative Lead
      C750-1   Ground

    Click to display connectors

      Right Rear Door Latch


    Positive Lead Measurement / Action Negative Lead
      C850-8   Ground
  • NOTE: The BCM only supplies voltage to the actuator momentarily. It is important to monitor the test lamp while pressing the door lock control switch. While pressing the lock button on the door lock control switch, monitor the test lamp.

Does the test lamp momentarily illuminate?
Yes GO to I3
No REPAIR the circuit.

I3 CHECK THE BCM (BODY CONTROL MODULE) UNLOCK OUTPUT CIRCUIT FOR AN OPEN

NOTICE: The following step uses a test lamp to simulate normal circuit loads. Use only a Rotunda Test Lamp (SGT27000) or 250-300mA incandescent bulb test lamp. To avoid connector terminal damage, use the Rotunda Flex Probe kit for the test lamp probe connection to the vehicle. Do not use the test lamp probe directly on any connector.

  • For the suspect door latch, connect:
    Click to display connectors

      Left Front Door Latch


    Positive Lead Measurement / Action Negative Lead
      C525A-2   Ground

    Click to display connectors

      Right Front Door Latch


    Positive Lead Measurement / Action Negative Lead
      C609-5   Ground

    Click to display connectors

      Left Rear Door Latch


    Positive Lead Measurement / Action Negative Lead
      C750-2   Ground

    Click to display connectors

      Right Rear Door Latch


    Positive Lead Measurement / Action Negative Lead
      C850-7   Ground
  • NOTE: The BCM only supplies voltage to the actuator momentarily. It is important to monitor the test lamp while pressing the door lock control switch. While pressing the door lock control switch in the unlock position, monitor the test lamp.

Does the test lamp momentarily illuminate?
Yes INSTALL a new door latch.
REFER to: Front Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
REFER to: Rear Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
No REPAIR the circuit.

PINPOINT TEST J: THE DOOR LOCKS OPERATE ONLY ONE WAY

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
DDM B108F:23 Cabin Lock/Unlock Switch: Signal Stuck Low Sets when the DDM detects a short to ground from one of the door lock control switch input circuits.
PDM B108F:23 Cabin Lock/Unlock Switch: Signal Stuck Low Sets when the PDM detects a short to ground from one of the door lock control switch input circuits.

Possible Sources

  • Fuse
  • Wiring, terminals or connectors
  • Door lock control switch
  • PDM
  • DDM

Visual Inspection and Pre-checks

  • Check the BCM fuses 5 (20A) and 13 (15A) and make sure they are OK.
J1 CHECK FOR DDM (DRIVER DOOR MODULE) AND PDM (PASSENGER DOOR MODULE) DTC (DIAGNOSTIC TROUBLE CODE) B108F:23

NOTE: Check the BCM fuses 5 (20A) and 13 (15A) and make sure they are OK. If they are not OK, refer to the Wiring Diagrams manual to identify the possible causes of the circuit short.

  • Ignition ON.
  • Using a diagnostic scan tool, carry out the DDM and the PDM self-test.

Is DTC B108F:23 present?
Yes If equipped with rear door lock control switches, GO to J2
If not equipped with rear door lock control switches, GO to J3
No GO to J5

J2 ISOLATE THE SUSPECT REAR DOOR LOCK CONTROL SWITCH
  • Ignition OFF.
  • Disconnect the corresponding rear door lock control switch.
  • Ignition ON.
  • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) and repeat the DDM or the PDM self-test.

Is DTC B108F:23 still present?
Yes GO to J3
No INSTALL a new door lock control switch in question.

J3 ISOLATE THE SUSPECT FRONT DOOR LOCK CONTROL SWITCH
  • Ignition OFF.
  • Disconnect the corresponding front door lock control switch.
  • Ignition ON.
  • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) and repeat the DDM or the PDM self-test.

Is DTC B108F:23 still present?
Yes GO to J4
No INSTALL a new door lock control switch in question.
REFER to: Front Door Lock Control Switch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

J4 CHECK THE DOOR LOCK CONTROL SWITCH INPUT CIRCUITS FOR A SHORT TO GROUND
  • Ignition OFF.
  • Disconnect DDM C501A (if DTC set in DDM ).
  • Disconnect PDM C652A (if DTC set in PDM ).
  • Measure:
    Click to display connectors

      DDM


    Positive Lead Measurement / Action Negative Lead
      C501A-18   Ground
      C501A-19   Ground

    Click to display connectors

      PDM


    Positive Lead Measurement / Action Negative Lead
      C652A-18   Ground
      C652A-19   Ground

Are the resistances greater than 10,000 ohms?
Yes REPAIR the circuit in question.
No For the PDM , GO to J9
For the DDM , GO to J10

J5 CHECK THE LOCK REQUEST INPUT
  • Ignition OFF.
  • Disconnect suspect door lock control switch.
  • For the suspect door lock control switch, connect:
    Click to display connectors

      Left Front Door Lock Control Switch


    Lead 1 Measurement / Action Lead 2
      C541-1   C541-2

    Click to display connectors

      Right Front Door Lock Control Switch


    Lead 1 Measurement / Action Lead 2
      C641-1   C641-2

    Click to display connectors

      Left Rear Door Lock Control Switch


    Lead 1 Measurement / Action Lead 2
      C742-1   C742-2

    Click to display connectors

      Right Rear Door Lock Control Switch


    Lead 1 Measurement / Action Lead 2
      C842-1   C842-2
  • Remove the fused jumper wire

Do the doors lock?
Yes INSTALL a new door lock control switch in question.
REFER to: Front Door Lock Control Switch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
No GO to J6

J6 CHECK THE LOCK REQUEST INPUT CIRCUIT FOR AN OPEN
  • Disconnect DDM C501A (left door lock control switch).
  • Disconnect PDM C652A (right door lock control switch).
  • For the suspect door lock control switch, measure:
    Click to display connectors

      Left Front Door Lock Control Switch


    Positive Lead Measurement / Action Negative Lead
      C541-1   C501A-18

    Click to display connectors

      Right Front Door Lock Control Switch


    Positive Lead Measurement / Action Negative Lead
      C641-1   C652A-18

    Click to display connectors

      Left Rear Door Lock Control Switch


    Positive Lead Measurement / Action Negative Lead
      C742-1   C501A-18

    Click to display connectors

      Right Rear Door Lock Control Switch


    Positive Lead Measurement / Action Negative Lead
      C842-1   C652A-18

Is the resistance less than 3 ohms?
Yes For a right door lock control switch concern, GO to J9
For a left door lock control switch concern, GO to J10
No REPAIR the circuit.

J7 CHECK THE UNLOCK REQUEST INPUT
  • For the suspect door lock control switch, connect:
    Click to display connectors

      Left Front Door Lock Control Switch


    Lead 1 Measurement / Action Lead 2
      C541-3   C541-2

    Click to display connectors

      Right Front Door Lock Control Switch


    Lead 1 Measurement / Action Lead 2
      C641-3   C641-2

    Click to display connectors

      Left Rear Door Lock Control Switch


    Lead 1 Measurement / Action Lead 2
      C742-3   C742-2

    Click to display connectors

      Right Rear Door Lock Control Switch


    Lead 1 Measurement / Action Lead 2
      C842-3   C842-2
  • Remove the fused jumper wire

Do the doors lock?
Yes INSTALL a new door lock control switch in question.
REFER to: Front Door Lock Control Switch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
No GO to J8

J8 CHECK THE UNLOCK REQUEST INPUT CIRCUIT FOR AN OPEN
  • Disconnect DDM C501A (left door lock control switch).
  • Disconnect PDM C652A (right door lock control switch).
  • For the suspect door lock control switch, measure:
    Click to display connectors

      Left Front Door Lock Control Switch


    Positive Lead Measurement / Action Negative Lead
      C541-3   C501A-19

    Click to display connectors

      Right Front Door Lock Control Switch


    Positive Lead Measurement / Action Negative Lead
      C641-3   C652A-19

    Click to display connectors

      Left Rear Door Lock Control Switch


    Positive Lead Measurement / Action Negative Lead
      C742-3   C501A-19

    Click to display connectors

      Right Rear Door Lock Control Switch


    Positive Lead Measurement / Action Negative Lead
      C842-3   C652A-19

Is the resistance less than 3 ohms?
Yes For a right door lock control switch concern, GO to J9
For a left door lock control switch concern, GO to J10
No REPAIR the circuit.

J9 CHECK FOR CORRECT PDM (PASSENGER DOOR MODULE) OPERATION
  • Disconnect and inspect all the PDM connectors.
  • Repair:
    • Corrosion (clean module pins or install new connectors or terminals)
    • Damaged or bent pins (install new terminals or pins)
    • Pushed-out pins (install new pins as necessary)
  • Reconnect the PDM connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM , or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new PDM .
REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

J10 CHECK FOR CORRECT DDM (DRIVER DOOR MODULE) OPERATION
  • Disconnect and inspect all the DDM connectors.
  • Repair:
    • Corrosion (clean module pins or install new connectors or terminals)
    • Damaged or bent pins (install new terminals or pins)
    • Pushed-out pins (install new pins as necessary)
  • Reconnect the DDM connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM , or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new DDM .
REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST K: ALL DOOR LOCKS ARE INOPERATIVE FROM ONE DOOR LOCK CONTROL SWITCH

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

Possible Sources

  • Network communication concern
  • Wiring, terminals or connectors
  • Door lock control switch
  • PDM
  • DDM

Visual Inspection and Pre-checks

  • Check the door lock control switch for damage.
K1 CHECK FOR COMMUNICATION TO THE DDM (DRIVER DOOR MODULE) AND PDM (PASSENGER DOOR MODULE)
  • Ignition ON.
  • Using a diagnostic scan tool, carry out the network test.

Does the DDM and the PDM pass the network test?
Yes GO to K2
No
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

K2 BYPASS THE DOOR LOCK CONTROL SWITCH
  • Ignition OFF.
  • Disconnect the suspect door lock control switch.
  • For the suspect door lock control switch lock, connect:
    Click to display connectors

      Left Front Door Lock Control Switch


    Lead 1 Measurement / Action Lead 2
      C541-1   C541-2

    Click to display connectors

      Right Front Door Lock Control Switch


    Lead 1 Measurement / Action Lead 2
      C641-1   C641-2

    Click to display connectors

      Left Rear Door Lock Control Switch


    Lead 1 Measurement / Action Lead 2
      C742-1   C742-2

    Click to display connectors

      Right Rear Door Lock Control Switch


    Lead 1 Measurement / Action Lead 2
      C842-1   C842-2
  • Remove the fused jumper wire.
  • For the suspect door lock control switch lock, connect:
    Click to display connectors

      Left Front Door Lock Control Switch


    Lead 1 Measurement / Action Lead 2
      C541-3   C541-2

    Click to display connectors

      Right Front Door Lock Control Switch


    Lead 1 Measurement / Action Lead 2
      C641-3   C641-2

    Click to display connectors

      Left Rear Door Lock Control Switch


    Lead 1 Measurement / Action Lead 2
      C742-3   C742-2

    Click to display connectors

      Right Rear Door Lock Control Switch


    Lead 1 Measurement / Action Lead 2
      C842-3   C842-2
  • Remove the fused jumper wire.

Do the doors lock and unlock?
Yes INSTALL a new door lock control switch in question.
REFER to: Front Door Lock Control Switch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
No GO to K3

K3 CHECK THE DOOR LOCK CONTROL SWITCH GROUND CIRCUIT FOR AN OPEN
  • Disconnect DDM C501A (left front door lock control switch).
  • Disconnect PDM C652A (right front door lock control switch).
  • Disconnect DDM C501B (left rear door lock control switch).
  • Disconnect PDM C652B (right rear door lock control switch).
  • For the suspect door lock control switch lock, measure:
    Click to display connectors

      Left Front Door Lock Control Switch


    Positive Lead Measurement / Action Negative Lead
      C541-2   C501A-10

    Click to display connectors

      Right Front Door Lock Control Switch


    Positive Lead Measurement / Action Negative Lead
      C641-2   C652A-10

    Click to display connectors

      Left Rear Door Lock Control Switch


    Positive Lead Measurement / Action Negative Lead
      C742-2   C501B-11

    Click to display connectors

      Right Rear Door Lock Control Switch


    Positive Lead Measurement / Action Negative Lead
      C842-2   C652B-11

Is the resistance less than 3 ohms?
Yes For a right door lock control switch, GO to K4
For a left door lock control switch, GO to K5
No REPAIR the circuit.

K4 CHECK FOR CORRECT PDM (PASSENGER DOOR MODULE) OPERATION
  • Disconnect and inspect all the PDM connectors.
  • Repair:
    • Corrosion (clean module pins or install new connectors or terminals)
    • Damaged or bent pins (install new terminals or pins)
    • Pushed-out pins (install new pins as necessary)
  • Reconnect the PDM connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM , or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new PDM .
REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

K5 CHECK FOR CORRECT DDM (DRIVER DOOR MODULE) OPERATION
  • Disconnect and inspect all the DDM connectors.
  • Repair:
    • Corrosion (clean module pins or install new connectors or terminals)
    • Damaged or bent pins (install new terminals or pins)
    • Pushed-out pins (install new pins as necessary)
  • Reconnect the DDM connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM , or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new DDM .
REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST L: A DOOR LOCK INDICATOR IS INOPERATIVE

Refer to Wiring Diagrams Cell 117 for schematic and connector information. Refer to Wiring Diagrams Cell 89 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Overview (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).
REFER to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
BCM B1490:11 Lock Indicator LED Status Output: Circuit Short To Ground Sets when the BCM detects a short to ground from the door lock indicator voltage supply circuit.
BCM B1490:15 Lock Indicator LED Status Output: Circuit Short To Battery Or Open Sets when the BCM detects an open from the door lock indicator voltage supply circuit.
DDM B12BA:11 Lock Status LED - Front: Circuit Short To Ground Sets when the DDM detects a short to ground from the door lock indicator voltage supply circuit.
DDM B12BA:15 Lock Status LED - Front: Circuit Short To Battery Or Open Sets when the DDM detects an open from the door lock indicator voltage supply circuit.
PDM B12BA:11 Lock Status LED - Front: Circuit Short To Ground Sets when the PDM detects a short to ground from the door lock indicator voltage supply circuit.
PDM B12BA:15 Lock Status LED - Front: Circuit Short To Battery Or Open Sets when the PDM detects an open from the door lock indicator voltage supply circuit.

Possible Sources

  • Wiring, terminals or connectors
  • Door latch
  • PDM
  • DDM
  • BCM

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

L1 CHECK THE DOOR LOCK OPERATION
  • Ignition OFF.
  • Check the operation of the door locks.

Do the door locks operate correctly?
Yes GO to L2
No REFER to the Symptom Chart: Handles, Locks, Latches and Entry Systems - Electrical in this section.

L2 CHECK THE UNLOCK FEEDBACK CIRCUIT INPUT
  • Ignition OFF.
  • Disconnect the suspect door lock indicator harness connector.
  • Lock the doors using a door lock control switch.
  • For the suspect door lock indicator, measure:
    Click to display connectors

      Left Front Door


    Positive Lead Measurement / Action Negative Lead
      C574-2   Ground

    Click to display connectors

      Right Front Door


    Positive Lead Measurement / Action Negative Lead
      C649-2   Ground

    Click to display connectors

      Left Rear Door


    Positive Lead Measurement / Action Negative Lead
      C706-2   Ground

    Click to display connectors

      Right Rear Door


    Positive Lead Measurement / Action Negative Lead
      C808-2   Ground

Is the resistance greater than 10,000 ohms?
Yes GO to L4
No GO to L3

L3 CHECK THE UNLOCK FEEDBACK CIRCUIT FOR A SHORT TO GROUND
  • Disconnect the corresponding door latch.
  • For the suspect door lock indicator, measure:
    Click to display connectors

      Left Front Door


    Positive Lead Measurement / Action Negative Lead
      C574-2   Ground

    Click to display connectors

      Right Front Door


    Positive Lead Measurement / Action Negative Lead
      C649-2   Ground

    Click to display connectors

      Left Rear Door


    Positive Lead Measurement / Action Negative Lead
      C706-2   Ground

    Click to display connectors

      Right Rear Door


    Positive Lead Measurement / Action Negative Lead
      C808-2   Ground

Is the resistance greater than 10,000 ohms?
Yes INSTALL a new door latch.
REFER to: Front Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
REFER to: Rear Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
No REPAIR the circuit.

L4 CHECK FOR VOLTAGE TO THE DOOR LOCK INDICATOR
  • Ignition ON.
  • For the suspect door lock indicator, measure:
    Click to display connectors

      Left Front Door


    Positive Lead Measurement / Action Negative Lead
      C574-6   Ground

    Click to display connectors

      Right Front Door


    Positive Lead Measurement / Action Negative Lead
      C649-6   Ground

    Click to display connectors

      Left Rear Door


    Positive Lead Measurement / Action Negative Lead
      C706-6   Ground

    Click to display connectors

      Right Rear Door


    Positive Lead Measurement / Action Negative Lead
      C808-6   Ground

Is the voltage greater than 11 volts?
Yes GO to L5
No GO to L6

L5 CHECK THE DOOR LOCK INDICATOR GROUND CIRCUIT FOR AN OPEN
  • For the suspect door lock indicator, measure:
    Click to display connectors

      Left Front Door


    Positive Lead Measurement / Action Negative Lead
      C574-6   Ground

    Click to display connectors

      Right Front Door


    Positive Lead Measurement / Action Negative Lead
      C649-6   Ground

    Click to display connectors

      Left Rear Door


    Positive Lead Measurement / Action Negative Lead
      C706-6   Ground

    Click to display connectors

      Right Rear Door


    Positive Lead Measurement / Action Negative Lead
      C808-6   Ground

Is the voltage greater than 11 volts?
Yes INSTALL a new door lock indicator harness.
No REPAIR the circuit.

L6 CHECK THE DOOR LOCK INDICATOR VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Disconnect DDM C501A (left front door lock indicator).
  • Disconnect PDM C652A (right front door lock indicator).
  • Disconnect BCM C2280D (rear door lock indicator).
  • For the suspect door lock indicator, measure:
    Click to display connectors

      Left Front Door


    Positive Lead Measurement / Action Negative Lead
      C574-6   Ground

    Click to display connectors

      Right Front Door


    Positive Lead Measurement / Action Negative Lead
      C649-6   Ground

    Click to display connectors

      Left Rear Door


    Positive Lead Measurement / Action Negative Lead
      C706-6   Ground

    Click to display connectors

      Right Rear Door


    Positive Lead Measurement / Action Negative Lead
      C808-6   Ground

Is the resistance greater than 10,000 ohms?
Yes GO to L7
No REPAIR the circuit.

L7 CHECK THE DOOR LOCK INDICATOR VOLTAGE SUPPLY CIRCUIT FOR AN OPEN
  • For the suspect door lock indicator, measure:
    Click to display connectors

      Left Front Door


    Positive Lead Measurement / Action Negative Lead
      C574-6   C501A-5

    Click to display connectors

      Right Front Door


    Positive Lead Measurement / Action Negative Lead
      C649-6   C652A-5

    Click to display connectors

      Left Rear Door


    Positive Lead Measurement / Action Negative Lead
      C706-6   C2280D-15

    Click to display connectors

      Right Rear Door


    Positive Lead Measurement / Action Negative Lead
      C808-6   C2280D-15

Is the resistance less than 3 ohms?
Yes For a left front door lock indicator, GO to L9
For a right front door lock indicator, GO to L8
For a rear door lock indicator, GO to L10
No REPAIR the circuit.

L8 CHECK FOR CORRECT PDM (PASSENGER DOOR MODULE) OPERATION
  • Disconnect and inspect all the PDM connectors.
  • Repair:
    • corrosion (install new connectors or terminals - clean module pins)
    • damaged or bent pins - install new terminals pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the PDM connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new PDM .
REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

L9 CHECK FOR CORRECT DDM (DRIVER DOOR MODULE) OPERATION
  • Disconnect and inspect all the DDM connectors.
  • Repair:
    • Corrosion (clean module pins or install new connectors or terminals)
    • Damaged or bent pins (install new terminals or pins)
    • Pushed-out pins (install new pins as necessary)
  • Reconnect the DDM connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new DDM .
REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

L10 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION
  • Disconnect and inspect all the BCM connectors.
  • Repair:
    • Corrosion (clean module pins or install new connectors or terminals)
    • Damaged or bent pins (install new terminals or pins)
    • Pushed-out pins (install new pins as necessary)
  • Reconnect the BCM connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST M: A DOOR LOCK INDICATOR IS ALWAYS ON

Refer to Wiring Diagrams Cell 117 for schematic and connector information. Refer to Wiring Diagrams Cell 89 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Overview (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).
REFER to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
BCM B1490:15 Lock Indicator LED Status Output: Circuit Short To Battery Or Open Sets when the BCM detects a short to voltage from the door lock indicator voltage supply circuit.
DDM B12BA:15 Lock Status LED - Front: Circuit Short To Battery Or Open Sets when the DDM detects a short to voltage from the door lock indicator voltage supply circuit.
PDM B12BA:15 Lock Status LED - Front: Circuit Short To Battery Or Open Sets when the PDM detects a short to voltage from the door lock indicator voltage supply circuit.

Possible Sources

  • Wiring, terminals or connectors
  • Door latch
  • PDM
  • DDM
  • BCM

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

M1 CHECK THE DOOR LOCK OPERATION
  • Ignition OFF.
  • Check the operation of the door locks.

Do the door locks operate correctly?
Yes GO to M2
No REFER to the Symptom Chart: Handles, Locks, Latches and Entry Systems - Electrical in this section.

M2 CHECK THE COURTESY LAMP OPERATION
  • Check the operation of the courtesy lamps from each door.

Do the courtesy lamps operate correctly?
Yes GO to M3
No
REFER to: Interior Lighting (417-02 Interior Lighting, Diagnosis and Testing).

M3 CHECK THE OPERATION WITH THE IGNITION ON
  • Ignition ON.
  • Unlock the doors using the door lock control switch.

Does any door lock indicator continue to illuminate?
Yes GO to M5
No GO to M4

M4 CHECK THE DOOR LOCK INDICATOR VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE

NOTE: The door lock indicators are powered for 5 minutes after a lock request when the ignition is off.

  • Ignition OFF.
  • Disconnect DDM C501A (left front door indicator).
  • Disconnect PDM C652A (right front door indicator).
  • Disconnect BCM C2280D (rear door indicator).
  • Measure:
    Click to display connectors

      Left Front Door Lock Indicator


    Positive Lead Measurement / Action Negative Lead
      C501A-3   Ground

    Click to display connectors

      Right Front Door Lock Indicator


    Positive Lead Measurement / Action Negative Lead
      C652A-3   Ground

    Click to display connectors

      Rear Door Lock Indicators


    Positive Lead Measurement / Action Negative Lead
      C2280D-39   Ground

Is any voltage present?
Yes REPAIR the circuit.
No For the left front door lock indicator, GO to M8
For the right front door lock indicator, GO to M7
For the rear door lock indicators, GO to M9

M5 BYPASS THE DOOR LATCH
  • Ignition OFF.
  • Disconnect the corresponding door latch.
  • Connect:
    Click to display connectors

      Left Front Door Latch


    Lead 1 Measurement / Action Lead 2
      C525A-4   C525A-5

    Click to display connectors

      Right Front Door Latch


    Lead 1 Measurement / Action Lead 2
      C609-3   C609-2

    Click to display connectors

      Left Rear Door Latch


    Lead 1 Measurement / Action Lead 2
      C750-4   C750-6

    Click to display connectors

      Right Rear Door Latch


    Lead 1 Measurement / Action Lead 2
      C850-5   C850-3
  • Ignition ON.

Does the suspect door lock indicator turn off?
Yes REMOVE the fused jumper wire. INSTALL a new door latch.
REFER to: Front Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
REFER to: Rear Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
No REMOVE the fused jumper wire. GO to M6

M6 CHECK THE UNLOCK FEEDBACK CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Disconnect suspect door lock indicator harness connector.
  • Measure:
    Click to display connectors

      Left Front Door Lock Indicator


    Positive Lead Measurement / Action Negative Lead
      C525A-4   C574-2

    Click to display connectors

      Right Front Door Lock Indicator


    Positive Lead Measurement / Action Negative Lead
      C609-3   C649-2

    Click to display connectors

      Left Rear Door Lock Indicator


    Positive Lead Measurement / Action Negative Lead
      C750-4   C706-2

    Click to display connectors

      Right Rear Door Lock Indicator


    Positive Lead Measurement / Action Negative Lead
      C850-5   C808-2

Is the resistance less than 3 ohms?
Yes INSTALL a new door lock indicator harness.
No REPAIR the circuit.

M7 CHECK FOR CORRECT PDM (PASSENGER DOOR MODULE) OPERATION
  • Disconnect and inspect all the PDM connectors.
  • Repair:
    • corrosion (install new connectors or terminals - clean module pins)
    • damaged or bent pins - install new terminals pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the PDM connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new PDM .
REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

M8 CHECK FOR CORRECT DDM (DRIVER DOOR MODULE) OPERATION
  • Disconnect and inspect all the DDM connectors.
  • Repair:
    • Corrosion (clean module pins or install new connectors or terminals)
    • Damaged or bent pins (install new terminals or pins)
    • Pushed-out pins (install new pins as necessary)
  • Reconnect the DDM connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new DDM .
REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

M9 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION
  • Disconnect and inspect all the BCM connectors.
  • Repair:
    • Corrosion (clean module pins or install new connectors or terminals)
    • Damaged or bent pins (install new terminals or pins)
    • Pushed-out pins (install new pins as necessary)
  • Reconnect the BCM connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST N: THE FUEL FILLER DOOR LOCK IS INOPERATIVE

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Overview (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).
REFER to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

Possible Sources

  • Wiring, terminals or connectors
  • Fuel filler door latch

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

N1 CHECK THE ELECTRONIC DRIVER DOOR LOCK OPERATION
  • Ignition OFF.
  • Press the lock and unlock button on the door lock control switch while observing the driver door lock operation.

Does the driver door lock operate correctly?
Yes GO to N2
No GO to Pinpoint Test I

N2 CHECK THE LOCK CIRCUIT FOR AN OPEN

NOTICE: The following step uses a test lamp to simulate normal circuit loads. Use only a Rotunda Test Lamp (SGT27000) or 250-300mA incandescent bulb test lamp. To avoid connector terminal damage, use the Rotunda Flex Probe kit for the test lamp probe connection to the vehicle. Do not use the test lamp probe directly on any connector.

  • Disconnect Fuel Filler Door Latch Motor C409 .
  • Connect:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C409-4   Ground
  • NOTE: The BCM only supplies voltage to the actuator momentarily. It is important to monitor the test lamp while pressing the door lock control switch button. While pressing the lock button on the door lock control switch, monitor the test lamp.

Does the test lamp momentarily illuminate?
Yes GO to N3
No REPAIR the circuit

N3 CHECK THE UNLOCK CIRCUIT FOR AN OPEN

NOTICE: The following step uses a test lamp to simulate normal circuit loads. Use only a Rotunda Test Lamp (SGT27000) or 250-300mA incandescent bulb test lamp. To avoid connector terminal damage, use the Rotunda Flex Probe kit for the test lamp probe connection to the vehicle. Do not use the test lamp probe directly on any connector.

  • Connect:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C409-1   Ground
  • NOTE: The BCM only supplies voltage to the actuator momentarily. It is important to monitor the test lamp while pressing the door lock control switch button. While pressing the unlock button on the door lock control switch, monitor the test lamp.

Does the test lamp momentarily illuminate?
Yes INSTALL a new fuel filler door latch.
REFER to: Fuel Filler Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
No REPAIR the circuit

PINPOINT TEST O: THE EXTERIOR SOUNDER IS INOPERATIVE

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Overview (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).
REFER to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
BCM B14B8:11 Sounder: Circuit Short To Ground Sets when the BCM detects a short to ground from the exterior sounder voltage supply circuit.
BCM B14B8:15 Sounder: Circuit Short To Battery Or Open Sets when the BCM detects an open from the exterior sounder voltage supply circuit.

Possible Sources

  • Wiring, terminals or connectors
  • Exterior sounder
  • BCM

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

O1 CHECK THE BCM (BODY CONTROL MODULE) EXTERIOR SOUNDER OUTPUT

NOTICE: The following step uses a test lamp to simulate normal circuit loads. Use only a Rotunda Test Lamp (SGT27000) or 250-300mA incandescent bulb test lamp. To avoid connector terminal damage, use the Rotunda Flex Probe kit for the test lamp probe connection to the vehicle. Do not use the test lamp probe directly on any connector.

  • Ignition OFF.
  • Disconnect Exterior Sounder C1890 .
  • Ignition ON.
  • Using a diagnostic scan tool, carry out the BCM self-test.
  • Ignition OFF.
  • Connect:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C1890-1   Ground
  • Observe the test lamp.
  • Using a valid programmed passive key, press the unlock button.

Does the test lamp momentarily illuminate?
Yes GO to O2
No GO to O3

O2 CHECK THE EXTERIOR SOUNDER GROUND CIRCUIT FOR AN OPEN

NOTICE: The following step uses a test lamp to simulate normal circuit loads. Use only a Rotunda Test Lamp (SGT27000) or 250-300mA incandescent bulb test lamp. To avoid connector terminal damage, use the Rotunda Flex Probe kit for the test lamp probe connection to the vehicle. Do not use the test lamp probe directly on any connector.

  • Connect:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C1890-1   C1890-2
  • Observe the test lamp.
  • Using a valid programmed passive key, press the unlock button.

Does the test lamp momentarily illuminate?
Yes INSTALL a new exterior sounder.
REFER to: Remote Keyless Entry (RKE) Exterior Sounder (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
No REPAIR the circuit.

O3 CHECK THE EXTERIOR SOUNDER VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO GROUND
  • Disconnect BCM C2280F .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C1890-1   Ground

Is the resistance greater than 10,000 ohms?
Yes GO to O4
No REPAIR the circuit.

O4 CHECK THE EXTERIOR SOUNDER VOLTAGE SUPPLY CIRCUIT FOR AN OPEN
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C1890-1   C2280F-14

Is the resistance less than 3 ohms?
Yes GO to O5
No REPAIR the circuit.

O5 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION
  • Disconnect and inspect all the BCM connectors.
  • Repair:
    • Corrosion (clean module pins or install new connectors or terminals)
    • Damaged or bent pins (install new terminals or pins)
    • Pushed-out pins (install new pins as necessary)
  • Reconnect the BCM connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST P: THE EXTERIOR SOUNDER CHIMES CONTINUOUSLY

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Overview (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).
REFER to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
BCM B14B8:15 Sounder: Circuit Short To Battery Or Open Sets when the BCM detects a short to voltage from the exterior sounder voltage supply circuit.

Possible Sources

  • Wiring, terminals or connectors
  • BCM
P1 CHECK THE EXTERIOR SOUNDER VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect BCM C2280F .

Does the exterior sounder continue to chime?
Yes REPAIR the circuit.
No GO to P2

P2 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION
  • Disconnect and inspect all the BCM connectors.
  • Repair:
    • Corrosion (clean module pins or install new connectors or terminals)
    • Damaged or bent pins (install new terminals or pins)
    • Pushed-out pins (install new pins as necessary)
  • Reconnect the BCM connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST Q: THE DOORS DO NOT LOCK OR UNLOCK USING KEYLESS ENTRY KEYPAD

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Overview (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).
REFER to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
BCM B121B:01 Keypad Input Switch: General Electrical Failure Sets when the BCM detects a short to ground from any of the keyless entry keypad input circuits.

Possible Sources

  • Fuse
  • Wiring, terminals or connectors
  • Keyless entry keypad (integrated into the front door upper moulding)
  • BCM

Visual Inspection and Pre-checks

  • Check the BCM fuse 12 (5A) and make sure it is OK.

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

Q1 CHECK POWER LOCK OPERATION FROM THE DOOR LOCK CONTROL SWITCH
  • Press the lock and unlock button on the door lock control switch.

Do the doors lock and unlock?
Yes GO to Q2
No REFER to the Symptom Chart: Handles, Locks, Latches and Entry Systems - Electrical in this section.

Q2 CHECK THE KEYLESS ENTRY KEYPAD ILLUMINATION
  • Touch the keyless entry keypad in several places.

Do the keypad numbers illuminate?
Yes GO to Q7
No GO to Q3

Q3 CHECK THE KEYLESS ENTRY KEYPAD INDICATOR
  • NOTE: The round indicator above the numbers illuminates when the sensors detect a button is being touched. Touch the keyless entry keypad in several places.

Does the round indicator on the top of the keypad illuminate?
Yes GO to Pinpoint Test R
No GO to Q4

Q4 CHECK THE KEYLESS ENTRY KEYPAD VOLTAGE SUPPLY CIRCUIT FOR VOLTAGE
  • Ignition OFF.
  • Disconnect Keyless Entry Keypad C500 .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C500-1   Ground

Is the voltage greater than 11 volts?
Yes GO to Q6
No VERIFY the BCM fuse 12 (5A) is OK. If OK, GO to Q5
If not OK, REFER to the Wiring Diagrams manual to identify the possible causes of the circuit short.

Q5 CHECK THE KEYLESS ENTRY KEYPAD VOLTAGE SUPPLY CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Disconnect BCM C2280F .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C500-1   C2280F-69

Is the resistance less than 3 ohms?
Yes GO to Q15
No REPAIR the circuit.

Q6 CHECK THE KEYLESS ENTRY KEYPAD GROUND CIRCUIT FOR AN OPEN
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C500-1   C500-6

Is the voltage greater than 11 volts?
Yes INSTALL a new front door upper moulding.
REFER to: Front Door Upper Moulding (501-08 Exterior Trim and Ornamentation, Removal and Installation).
No REPAIR the circuit.

Q7 CHECK FOR BCM (BODY CONTROL MODULE) DTC (DIAGNOSTIC TROUBLE CODE) B121B:01
  • Ignition ON.
  • Using a diagnostic scan tool, carry out the BCM self-test.

Is DTC B121B:01 present?
Yes GO to Q8
No GO to Q10

Q8 ISOLATE THE KEYLESS ENTRY KEYPAD
  • Ignition OFF.
  • Disconnect Keyless Entry Keypad C500 .
  • Ignition ON.
  • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) and repeat the BCM self-test.

Is DTC B121B:01 still present?
Yes GO to Q9
No INSTALL a new front door upper moulding.
REFER to: Front Door Upper Moulding (501-08 Exterior Trim and Ornamentation, Removal and Installation).

Q9 CHECK THE KEYLESS ENTRY KEYPAD INPUT CIRCUITS FOR A SHORT TO GROUND
  • Ignition OFF.
  • Disconnect BCM C2280F .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C500-3   Ground
      C500-4   Ground
      C500-5   Ground

Are the resistances greater than 10,000 ohms?
Yes GO to Q15
No REPAIR the circuit in question.

Q10 CHECK THE BCM (BODY CONTROL MODULE) KEYPAD BUTTON PARAMETER IDENTIFICATIONS (PIDS)
  • NOTE: When monitoring the capacitive sensor Parameter Identifications (PIDs), it is best to select a graph view. When a sensor is touched, the PID state rapidly switches between ON and OFF. Press each keyless entry keypad button while observing the following BCM Parameter Identifications (PIDs):
    • Access the  BCM  and monitor the  KYPD_BTN_1/2  PID

    • Access the  BCM  and monitor the  KYPD_BTN_3/4  PID

    • Access the  BCM  and monitor the  KYPD_BTN_5/6  PID

    • Access the  BCM  and monitor the  KYPD_BTN_7/8  PID

    • Access the  BCM  and monitor the  KYPD_BTN_9/0  PID


Do the Parameter Identifications (PIDs) indicate the buttons operate correctly?
Yes GO to Q11
No GO to Q12

Q11 CHECK THE BCM (BODY CONTROL MODULE) KEYPAD CODE
  • View the factory keyless entry code.
    • Access the  BCM  and monitor the  KEYCODE_1stD  PID

    • Access the  BCM  and monitor the  KEYCODE_2ndD  PID

    • Access the  BCM  and monitor the  KEYCODE_3rdD  PID

    • Access the  BCM  and monitor the  KEYCODE_4thD  PID

    • Access the  BCM  and monitor the  KEYCODE_5thD  PID

  • Enter the 5-digit factory set entry code on the keyless entry keypad, then touch the 3/4 button.
  • Simultaneously touch the 7/8 and 9/0 buttons for 3 seconds.

Do the doors unlock when the factory code is entered and lock when the 7/8 and 9/0 buttons are touched for 3 seconds?
Yes The system is operating as designed. INFORM the vehicle owner of the correct system operation.
No GO to Q15

Q12 CHECK THE KEYLESS ENTRY KEYPAD INPUT CIRCUITS USING THE BCM (BODY CONTROL MODULE) KEYPAD BUTTON PARAMETER IDENTIFICATIONS (PIDS)
  • Ignition OFF.
  • Disconnect Keyless Entry Keypad C500 .
  • Ignition ON.
  • NOTE: When monitoring the capacitive sensor Parameter Identifications (PIDs), it is best to select a graph view. When a sensor is touched, the PID state rapidly switches between ON and OFF. Observe the following BCM Parameter Identifications (PIDs):
    • Access the  BCM  and monitor the  KYPD_BTN_1/2  PID

    • Access the  BCM  and monitor the  KYPD_BTN_7/8  PID

    • Access the  BCM  and monitor the  KYPD_BTN_9/0  PID

  • Connect:
    Click to display connectors

      1/2 Button


    Lead 1 Measurement / Action Lead 2
      C500-3   C500-6
  • Remove the fused jumper wire.
  • Connect:
    Click to display connectors

      7/8 Button


    Lead 1 Measurement / Action Lead 2
      C500-4   C500-6
  • Remove the fused jumper wire.
  • Connect:
    Click to display connectors

      9/0 Button


    Lead 1 Measurement / Action Lead 2
      C500-5   C500-6
  • Remove the fused jumper wire.

Do the Parameter Identifications (PIDs) correctly indicate Active with the fused jumper wire connected?
Yes INSTALL a new front door upper moulding.
REFER to: Front Door Upper Moulding (501-08 Exterior Trim and Ornamentation, Removal and Installation).
No GO to Q13

Q13 CHECK THE KEYLESS ENTRY KEYPAD INPUT CIRCUITS FOR A SHORT TO EACH OTHER
  • Ignition OFF.
  • Disconnect BCM C2280F .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C500-3   C500-4
      C500-3   C500-5
      C500-4   C500-5

Are the resistances greater than 10,000 ohms?
Yes GO to Q14
No REPAIR the circuits in question.

Q14 CHECK THE KEYLESS ENTRY KEYPAD INPUT CIRCUITS FOR AN OPEN
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C500-3   C2280F-35
      C500-4   C2280F-39
      C500-5   C2280F-38

Are the resistances less than 3 ohms?
Yes GO to Q13
No REPAIR the circuit in question.

Q15 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION
  • Disconnect and inspect all the BCM connectors.
  • Repair:
    • Corrosion (clean module pins or install new connectors or terminals)
    • Damaged or bent pins (install new terminals or pins)
    • Pushed-out pins (install new pins as necessary)
  • Reconnect the BCM connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST R: THE KEYLESS ENTRY KEYPAD ILLUMINATION IS INOPERATIVE

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Overview (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).
REFER to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
BCM B121A:11 Keypad Illumination Output: Circuit Short To Ground Sets when the BCM detects a short to ground from the keyless entry keypad illumination output circuit.
BCM B121A:15 Keypad Illumination Output: Circuit Short To Battery Or Open Sets when the BCM detects an open from the keyless entry keypad illumination output circuit.

Possible Sources

  • Wiring, terminals or connectors
  • Keyless entry keypad (integrated into the front door upper moulding)
  • BCM
R1 CHECK THE KEYLESS ENTRY KEYPAD OPERATION
  • Press the 7/8 and 9/0 buttons simultaneously on the keyless entry keypad.

Do the doors lock using the keyless entry keypad?
Yes GO to R2
No GO to Pinpoint Test Q

R2 CHECK FOR BCM (BODY CONTROL MODULE) DTC (DIAGNOSTIC TROUBLE CODE) B121A:11
  • Ignition ON.
  • Using a diagnostic scan tool, carry out the BCM self-test.

Is DTC B121A:11 present?
Yes GO to R3
No GO to R5

R3 CHECK THE KEYLESS ENTRY KEYPAD FOR A SHORT TO GROUND
  • Ignition OFF.
  • Disconnect Keyless Entry Keypad C500 .
  • Ignition ON.
  • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).
  • Using a diagnostic scan tool, carry out the BCM self-test.

Is DTC B121A:11 still present?
Yes GO to R4
No INSTALL a new front door upper moulding.
REFER to: Front Door Upper Moulding (501-08 Exterior Trim and Ornamentation, Removal and Installation).

R4 CHECK THE KEYLESS ENTRY KEYPAD ILLUMINATION OUTPUT CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Disconnect BCM C2280F .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C500-2   Ground

Is the resistance greater than 10,000 ohms?
Yes GO to R7
No REPAIR the circuit.

R5 CHECK THE BCM (BODY CONTROL MODULE) OUTPUT USING THE KEYPAD LAMP OUTPUT STATUS (KEY_PAD_LMP) PID (PARAMETER IDENTIFICATION)
  • Ignition OFF.
  • Disconnect Keyless Entry Keypad C500 .
  • Ignition ON.
  • Access the  BCM  and control the  KEY_PAD_LMP  PID

  • Command the PID on.
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C500-2   Ground

Is the voltage greater than 11 volts?
Yes INSTALL a new front door upper moulding.
REFER to: Front Door Upper Moulding (501-08 Exterior Trim and Ornamentation, Removal and Installation).
No GO to R6

R6 CHECK THE BCM (BODY CONTROL MODULE) KEYLESS ENTRY KEYPAD ILLUMINATION OUTPUT CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Disconnect BCM C2280F .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C500-2   C2280F-15

Is the resistance less than 3 ohms?
Yes GO to R7
No REPAIR the circuit.

R7 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION
  • Disconnect and inspect all the BCM connectors.
  • Repair:
    • Corrosion (clean module pins or install new connectors or terminals)
    • Damaged or bent pins (install new terminals or pins)
    • Pushed-out pins (install new pins as necessary)
  • Reconnect the BCM connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM , or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST S: THE KEYLESS ENTRY KEYPAD ILLUMINATION IS ALWAYS ON

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Overview (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).
REFER to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
BCM B121A:15 Keypad Illumination Output: Circuit Short To Battery Or Open Sets when the BCM detects an open from the keyless entry keypad illumination output circuit.

Possible Sources

  • Wiring, terminals or connectors
  • Keyless entry keypad (integrated into the front door upper moulding)
  • BCM

Visual Inspection and Pre-checks

  • Inspect the front door window moulding for damage.
S1 CHECK THE KEYLESS ENTRY KEYPAD ILLUMINATION

NOTE: It is normal operation for the keyless entry keypad to illuminate when the illuminated entry/exit feature is active. Make sure all the doors are closed and the feature times out.

  • Ignition ON.
  • Wait 45 seconds and observe the keyless entry keypad illumination.

Is the keyless entry keypad illumination always on?
Yes GO to S2
No The system is operating correctly. INFORM the vehicle owner of the normal keyless entry keypad illumination operation.

S2 ISOLATE THE BCM (BODY CONTROL MODULE)
  • Ignition OFF.
  • Disconnect BCM C2280F .
  • Ignition ON.

Does the keypad continue illuminate?
Yes GO to S3
No GO to S4

S3 CHECK THE BCM (BODY CONTROL MODULE) KEYPAD ILLUMINATION OUTPUT CIRCUIT FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect Keyless Entry Keypad C500 .
  • Ignition ON.
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C500-2   Ground

Is any voltage present?
Yes REPAIR the circuit.
No INSTALL a new front door upper moulding.
REFER to: Front Door Upper Moulding (501-08 Exterior Trim and Ornamentation, Removal and Installation).

S4 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION
  • Disconnect and inspect all the BCM connectors.
  • Repair:
    • Corrosion (clean module pins or install new connectors or terminals)
    • Damaged or bent pins (install new terminals or pins)
    • Pushed-out pins (install new pins as necessary)
  • Reconnect the BCM connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM , or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST T: THE RKE (REMOTE KEYLESS ENTRY) TRANSMITTER IS INOPERATIVE

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Overview (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).
REFER to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
BCM B10AB:00 Remote Keyless Entry Synchronization: No Sub Type Information Sets when the BCM detects the rolling counter received from a RKE transmitter is out of synchronization with the rolling counter stored in the module.
BCM B1218:00 Transmitter Identification Code: No Sub Type Information Sets when the BCM detects and invalid Transmitter Identification Code (TIC).

Possible Sources

  • Key battery
  • Key
  • Key button pressed a substantial amount of times while outside the range of the vehicle
  • Key programming
  • Network concern

Visual Inspection and Pre-checks

  • Inspect the key for damage.
  • Check for aftermarket keys.

NOTE: All vehicle owner keys need to be present when diagnosing the RKE system.

T1 CHECK FOR THE CORRECT KEYS
  • Verify all keys present are the correct type for the vehicle. Refer to the PATS Job Aid in the Service Tips tab on the Professional Technician Society (PTS) web page or to the parts catalog.

Are all the vehicle keys present and of the correct type?
Yes GO to T2
No The system cannot be tested without the all correct keys. INFORM the vehicle owner that all of the correct keys must be present to proceed with diagnosis of the system.

T2 CHECK IF THE KEYS START THE VEHICLE
  • Place the first key in the backup starting location and attempt to start the vehicle. Refer to the Owner Literature for the key backup starting location.
  • Ignition OFF.
  • Place the second key in the backup starting location and attempt to start the vehicle.

Do both keys start the vehicle?
Yes GO to T3
No
REFER to: Passive Anti-Theft System (PATS) (419-01 Passive Anti-Theft System (PATS)) .

T3 CHECK FOR REDUCED RANGE

NOTE: Make sure the vehicle is in an open area with no other large metal objects near, such as other vehicles or steel buildings.

NOTE: If the RKE functions when near the vehicle, but not at approximately 30 m (98 ft), a poor range concern is present.

  • Check all keys for normal range performance (approximately 30 m (98 ft).

Do the keys experience poor range?
Yes GO to Pinpoint Test V
No GO to T4

T4 CHECK THE RKE (REMOTE KEYLESS ENTRY) FUNCTIONALITY OF THE KEYS
  • Press each RKE button on a key. Repeat this step on a second key.

Are all the RKE functions inoperative from both keys?
Yes GO to T11
No GO to T5

T5 CHECK THE RKE (REMOTE KEYLESS ENTRY) FUNCTIONALITY OF THE SUSPECT KEY
  • Press each RKE button (twice for the power liftgate open) on the suspect key.

Does any RKE function operate?
Yes GO to Pinpoint Test U
No GO to T6

T6 CHECK THE NO (TIC) OUT OF SYNC (TIC-NONE_OOS) PID (PARAMETER IDENTIFICATION)
  • Ignition ON.
  • Access the  BCM  and monitor the  TIC-NONE_OOS  PID

  • Monitor the BCM TIC-NONE_OOS PID .

Does the PID indicate On?
Yes GO to T9
No GO to T7

T7 RESYNCHRONIZE THE INOPERATIVE KEY
  • Ignition OFF.
  • Place the suspect key in the backup starting location. Refer to the Owner Literature for the key backup starting location.
  • Ignition ON.
  • Wait 10 seconds.
  • Ignition OFF.
  • Within 30 seconds, press any button on the suspect key 4 times consecutively.

Does the suspect key operate correctly now?
Yes The system is OK. The concern was caused by a key out of synchronization.
No GO to T8

T8 RESYNCHRONIZE THE INOPERATIVE KEY USING THE SECOND KEY
  • Press any button on the operational key.
  • Within 30 seconds, press any button on the suspect key.
  • Check the suspect key for correct operation.

Does the suspect key operate correctly now?
Yes The system is OK. The concern was caused by a key out of synchronization.
No GO to T10

T9 CHECK THE KEY BATTERY
  • NOTE: Do not clean off any grease from the battery terminals on the back surface of the circuit board. Remove the key battery. Refer to the Owner Literature for battery removal instructions.
  • Verify the correct battery is used (CR2450).
  • Measure the key battery voltage.

Is the voltage greater than 2.5 volts?
Yes GO to T10
No REPLACE the key battery (make sure the battery seats correctly). DO NOT reprogram the key (damaged or dead batteries do not erase keys from memory).

T10 PROGRAM THE SUSPECT KEY
  • Program the suspect key.
    REFER to: Anti-Theft Key Programming - Scan Tool (419-01B Passive Anti-Theft System (PATS), General Procedures).
  • Check the RKE functionality of the suspect key.

Does the RKE functionality operate?
Yes The system is OK. The concern was caused by an unprogrammed key.
No REPLACE the suspect key. PROGRAM the new key.
REFER to: Anti-Theft Key Programming - Scan Tool (419-01B Passive Anti-Theft System (PATS), General Procedures).

T11 CHECK FOR COMMUNICATION WITH THE BCM (BODY CONTROL MODULE) AND THE RTM (RADIO TRANSCEIVER MODULE)
  • Ignition ON.
  • Using a diagnostic scan tool, carry out the network test.

Does the BCM and the RTM pass the network test?
Yes GO to T12
No
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

T12 CHECK FOR RTM (RADIO TRANSCEIVER MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using a diagnostic scan tool, carry out the RTM module self-test.

Are any Diagnostic Trouble Codes (DTCs) present?
Yes REFER to the Master Diagnostic Trouble Code (DTC) Chart.
No GO to T13

T13 CHECK FOR BCM (BODY CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using a diagnostic scan tool, carry out the BCM module self-test.

Are any communication or PATS -related Diagnostic Trouble Codes (DTCs) present?
Yes REFER to the Master Diagnostic Trouble Code (DTC) Chart.
No GO to Pinpoint Test AB

PINPOINT TEST U: AN INDIVIDUAL BUTTON/FEATURE IS INOPERATIVE FROM THE RKE (REMOTE KEYLESS ENTRY) TRANSMITTER

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Overview (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

Possible Sources

  • Door lock system concern
  • Power liftgate system concern
  • Horn system concern
  • Turn signal system concern
  • Remote start system concern
  • Key

Visual Inspection and Pre-checks

  • Inspect the key for damage.

NOTE: This pinpoint test does not diagnose dealer installed remote start systems.

U1 VERIFY THE DOOR LOCK OPERATION
  • Press the lock and unlock button on the door lock control switch while observing all of the door lock indicators.

Do all of the door lock indicators operate correctly?
Yes GO to U2
No GO to Pinpoint Test I

U2 VERIFY THE HORN OPERATION USING THE BCM (BODY CONTROL MODULE) PID (PARAMETER IDENTIFICATION) (HORN_RELAY)
  • Ignition ON.
  • Access the  BCM  and control the  HORN_RELAY  PID

  • Active command the horn on and then off.

Does the horn sound when commanded on?
Yes GO to U3
No
REFER to: Horn (413-06 Horn, Diagnosis and Testing).

U3 VERIFY THE HAZARD LAMP OPERATION
  • Activate the hazard lamp function.

Do the hazard lamps operate correctly?
Yes GO to U4
No
REFER to: Turn Signal and Hazard Lamps (417-01 Exterior Lighting, Diagnosis and Testing).

U4 VERIFY THE POWER LIFTGATE OPERATION
  • Ignition OFF.
  • Unlock the doors using the door lock control switch.
  • Press the exterior power liftgate switch.

Does the power liftgate open?
Yes GO to U5
No
REFER to: Body Closures (501-03 Body Closures, Diagnosis and Testing).

U5 CHECK THE LOCK AND UNLOCK BUTTONS
  • Press the lock and then unlock button on the suspect key.

Do the doors lock and unlock?
Yes GO to U6
No REPLACE the suspect key. PROGRAM the new key.
REFER to: Anti-Theft Key Programming - Scan Tool (419-01B Passive Anti-Theft System (PATS), General Procedures).

U6 CHECK THE LIFTGATE BUTTON
  • Press the liftgate button twice on the suspect key.

Does the power liftgate open?
Yes GO to U7
No REPLACE the suspect key. PROGRAM the new key.
REFER to: Anti-Theft Key Programming - Scan Tool (419-01B Passive Anti-Theft System (PATS), General Procedures).

U7 CHECK THE PANIC ALARM/VEHICLE LOCATOR BUTTON
  • Press the panic alarm/vehicle locator button on the suspect key.

Do the exterior lamps flash and the horn/chime sound?
Yes If equipped with the factory remote start feature, GO to U8
If not equipped with the factory remote start feature, REPLACE the suspect key. PROGRAM the new key.
REFER to: Anti-Theft Key Programming - Scan Tool (419-01B Passive Anti-Theft System (PATS), General Procedures).
No REPLACE the suspect key. PROGRAM the new key.
REFER to: Anti-Theft Key Programming - Scan Tool (419-01B Passive Anti-Theft System (PATS), General Procedures).

U8 VERIFY THE REMOTE START OPERATION
  • Ignition OFF.
  • Close all the doors and the liftgate.
  • NOTE: Each button press must be done within 3 seconds of each other. From outside the vehicle using a passive key:
    • Press the door lock button.
    • Press the remote start button twice.

Does the vehicle remotely start?
Yes The RKE transmitter is operating correctly. INFORM the vehicle owner of the correct RKE transmitter operation.
No GO to Pinpoint Test W

PINPOINT TEST V: THE RKE (REMOTE KEYLESS ENTRY) TRANSMITTER HAS POOR RANGE PERFORMANCE

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Overview (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

Possible Sources

  • Key
  • Key battery
  • Aftermarket system
  • Electronic device
  • High power devices
  • TV/radio transmission towers
  • RTM

Visual Inspection and Pre-checks

  • Inspect the key for damage.
  • Inspect the key battery.
  • Inspect for aftermarket RKE systems.

NOTE: At least 2 valid programmed keys must be present to begin diagnosis of the RKE system.

V1 CHECK FOR THE CORRECT KEYS
  • Check that the correct keys are used with the vehicle. Refer to the PATS Job Aid in the Service Tips tab on the Professional Technician Society (PTS) web page or the parts catalog.

Are the correct keys present?
Yes GO to V2
No The system cannot be tested without the correct keys. INFORM the vehicle owner the correct keys must be present to proceed with diagnosis of the system.

V2 CHECK ALL KEYS FOR POOR RANGE PERFORMANCE

NOTE: Make sure the vehicle is in an open area with no other large metal objects near, such as other vehicles or steel buildings.

  • Check all keys for normal range performance (approximately 30 m (98 ft)).

Do all keys experience poor range?
Yes GO to V4
No GO to V3

V3 CHECK THE KEY BATTERY
  • NOTE: Do not clean off any grease from the battery terminals on the back surface of the circuit board. Remove the key battery. Refer to the Owner Literature for battery removal instructions.
  • Verify the correct battery is used (CR2450).
  • Measure the key battery voltage.

Is the voltage greater than 2.5 volts?
Yes REPLACE the suspect key. PROGRAM the new key.
REFER to: Anti-Theft Key Programming - Scan Tool (419-01B Passive Anti-Theft System (PATS), General Procedures).
No REPLACE the key battery (make sure the battery is seated correctly). DO NOT reprogram the key (weak or dead battery does not erase keys from memory).

V4 CHECK THE LOCATION OF THE VEHICLE AND THE APPROACH ANGLES AROUND THE VEHICLE
  • Make sure the poor performance is consistent in nature and is not from one approaching angle.
  • The RKE transmitter range performance may be degraded in certain locations. For example, if the vehicle or RKE transmitter is within range of high-power devices, radio/TV towers, 2-way radios, cell phone charger or other radio communication device, the operating distance of the keys may be reduced.

Is the poor range performance consistent around the vehicle?
Yes INSTALL a new RTM .
REFER to: Radio Transceiver Module (RTM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The range may have been affected by environmental interference such as high-power devices or other radio communication device.

PINPOINT TEST W: THE REMOTE START FEATURE IS INOPERATIVE

Refer to Wiring Diagrams Cell 25 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Overview (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

Possible Sources

  • Wiring, terminals or connectors
  • Remote start feature not enabled
  • Key
  • Hood ajar switch input concern
  • Door ajar switch input concern
  • TR input concern
  • Powertrain concern
  • BCM

Visual Inspection and Pre-checks

  • Inspect the passive key for damage.

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

NOTE: This pinpoint test does not diagnose dealer installed remote start systems.

W1 CHECK THE REMOTE START FEATURE ENABLE/DISABLE SETTING
  • Ignition ON.
  • Using the steering wheel control switch, check remote start feature setting in the message center.

Is the remote start feature enabled?
Yes GO to W2
No ENABLE the remote start feature.

W2 CHECK THE PARK DETECT SWITCH INPUT
  • Ignition ON.
  • Verify the PRNDL displays correctly in the IPC . When the vehicle is in PARK, the P should be highlighted or displayed prominently.

Does the PRNDL display correctly?
Yes GO to W3
No DIAGNOSE the PRNDL.
REFER to: Instrumentation, Message Center and Warning Chimes - Vehicles With: Head Up Display (HUD) (413-01 Instrumentation, Message Center and Warning Chimes, Diagnosis and Testing).

W3 CHECK FOR BCM (BODY CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using a diagnostic scan tool, carry out the BCM self-test.

Are any BCM Diagnostic Trouble Codes (DTCs) present?
Yes REFER to the Master Diagnostic Trouble Code (DTC) Chart.
No GO to W4

W4 CHECK FOR POWERTRAIN DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using a diagnostic scan tool, carry out the PCM KOEO and KOER self-tests.

Are any PCM Diagnostic Trouble Codes (DTCs) present?
Yes REFER to the Master Diagnostic Trouble Code (DTC) Chart.
No GO to W5

W5 CHECK THE RKE (REMOTE KEYLESS ENTRY) FUNCTIONALITY
  • Ignition OFF.
  • Using the RKE function of the passive key, press the liftgate button twice, the lock button and then the unlock button.

Do all the functions tested of the RKE transmitter operate (lock, unlock and liftgate open)?
Yes GO to W6
No If all of the functions are inoperative, GO to Pinpoint Test T
If an individual function is inoperative, GO to Pinpoint Test U

W6 CHECK THE WAKE-UP CIRCUIT FOR VOLTAGE AT THE PCM (POWERTRAIN CONTROL MODULE) USING THE BCM (BODY CONTROL MODULE) PID (PARAMETER IDENTIFICATION) (PCM) WAKE-UP OUTPUT CONTROL (PCM_WKUP_CTRL)
  • Disconnect PCM C1551B .
  • Ignition ON.
  • Access the  BCM  and control the  PCM_WKUP_CTRL  PID

  • Command the BCM PCM_WKUP_CTRL PID on.
  • Measure:
    Click to display connectors

      Non-hybrid


    Positive Lead Measurement / Action Negative Lead
      C1551B-52   Ground

    Click to display connectors

      Hybrid


    Positive Lead Measurement / Action Negative Lead
      C199A-13   Ground

Is the voltage greater than 11 volts?
Yes GO to W8
No GO to W7

W7 CHECK THE WAKE-UP CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Disconnect BCM C2280E .
  • Measure:
    Click to display connectors

      Non-hybrid


    Positive Lead Measurement / Action Negative Lead
      C1551B-52   C2280E-10

    Click to display connectors

      Hybrid


    Positive Lead Measurement / Action Negative Lead
      C199A-13   C2280E-10

Is the resistance less than 3 ohms?
Yes GO to W9
No REPAIR the circuit.

W8 VERIFY THE REMOTE START FUNCTION IS INOPERATIVE
  • Ignition OFF.
  • Connect PCM C1551B .
  • Close all the doors, the hood and the liftgate.
  • NOTE: Each button press must be done within three seconds of each other. Using the key:
    • Press the door lock button.
    • Press the remote start button twice.

Does the vehicle remotely start?
Yes The system is operating correctly. INFORM the vehicle owner of the correct vehicle remote start operation.
No REPLACE the passive key in question. PROGRAM the new passive key.
REFER to: Anti-Theft Key Programming - Scan Tool (419-01B Passive Anti-Theft System (PATS), General Procedures).

W9 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION
  • Disconnect and inspect all the BCM connectors.
  • Repair:
    • Corrosion (clean module pins or install new connectors or terminals)
    • Damaged or bent pins (install new terminals or pins)
    • Pushed-out pins (install new pins as necessary)
  • Reconnect the BCM connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST X: THE REMOTE START FEATURE OPERATES, BUT THE REMOTE START FEEDBACK LED (LIGHT EMITTING DIODE) IS INOPERATIVE

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Overview (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DISCARD the suspect passive key. PROGRAM a new passive key. REFER to: Anti-Theft Key Programming - Scan Tool (419-01B Passive Anti-Theft System (PATS), General Procedures).

Possible Sources

  • Passive key
Diagnostic steps are not provided for this symptom or DTC.  REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST Y: A DOOR PASSIVE ENTRY FEATURE IS INOPERATIVE

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Component Location (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).
REFER to: Handles, Locks, Latches and Entry Systems - Overview (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).
REFER to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
BCM B1336:01 Left Front Door External Antenna: General Electrical Failure Sets during the on-demand self-test when the BCM detects a fault from one of the circuits to the left door keyless entry antenna.
BCM B1337:01 Right Front Door External Antenna: General Electrical Failure Sets during the on-demand self-test when the BCM detects a fault from one of the circuits to the right door keyless entry antenna.
BCM B1381:11 Left Front Door Handle Proximity Sensor: Circuit Short To Ground Sets when the BCM detects a fault from one of the circuits to the left front exterior door handle.
BCM B1381:15 Left Front Door Handle Proximity Sensor: Circuit Short To Battery Or Open Sets when the BCM detects a fault from one of the circuits to the left front exterior door handle.
BCM B1381:29 Left Front Door Handle Proximity Sensor: Signal Invalid Sets when the BCM detects an activated touch sensor for more than 5 minutes.
BCM B1382:11 Right Front Door Handle Proximity Sensor: Circuit Short To Ground Sets when the BCM detects a fault from one of the circuits to the right exterior door handle.
BCM B1382:15 Right Front Door Handle Proximity Sensor: Circuit Short To Battery Or Open Sets when the BCM detects a fault from one of the circuits to the right exterior door handle.
BCM B1382:29 Right Front Door Handle Proximity Sensor: Signal Invalid Sets when the BCM detects an activated touch sensor for more than 5 minutes.
BCM B1383:11 Left Rear Door Handle Proximity Sensor: Circuit Short To Ground Sets when the BCM detects a fault from one of the circuits to the left rear exterior door handle.
BCM B1383:15 Left Rear Door Handle Proximity Sensor: Circuit Short To Battery Or Open Sets when the BCM detects a fault from one of the circuits to the left rear exterior door handle.
BCM B1383:29 Left Rear Door Handle Proximity Sensor: Signal Invalid Sets when the BCM detects an activated touch sensor for more than 5 minutes.
BCM B1384:11 Right Rear Door Handle Proximity Sensor: Circuit Short To Ground Sets when the BCM detects a fault from one of the circuits to the right rear exterior door handle.
BCM B1384:15 Right Rear Door Handle Proximity Sensor: Circuit Short To Battery Or Open Sets when the BCM detects a fault from one of the circuits to the right rear exterior door handle.
BCM B1384:29 Right Rear Door Handle Proximity Sensor: Signal Invalid Sets when the BCM detects an activated touch sensor for more than 5 minutes.

Possible Sources

  • Wiring, terminals or connectors
  • Power door lock system concern
  • RKE transmitter system concern
  • Exterior door handle
  • BCM

Visual Inspection and Pre-checks

  • Inspect the exterior door handles for damage.

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

Y1 CHECK THE DOOR LOCK OPERATION

NOTE: When the BCM detects the vehicle 12-volt battery state of charge is below a set threshold, the BCM only monitors the driver door handle sensors. The passive entry feature only functions from the driver door.

  • Ignition OFF.
  • Lock and unlock the doors using a door lock control switch.

Do the doors lock and unlock?
Yes GO to Y2
No GO to Pinpoint Test I

Y2 CHECK THE RKE (REMOTE KEYLESS ENTRY) OPERATION

NOTE: The passive entry and the RKE system share operation of several components including the passive keys, the BCM and the RTM

  • Press the lock and unlock buttons on a key.

Do the doors lock and unlock?
Yes GO to Y3
No GO to Pinpoint Test T

Y3 CHECK THE PASSIVE ENTRY OPERATION FROM BOTH ALL DOORS
  • Operate the passive entry feature from both front doors.
  • Operate the passive entry feature from both rear doors.

Is the passive entry feature inoperative from all doors?
Yes GO to Y4
No GO to Y5

Y4 CHECK THE EXTERIOR DOOR HANDLE GROUND CIRCUIT FOR AN OPEN (ALL DOORS PASSIVE ENTRY INOPERATIVE)
  • Disconnect BCM C2280G .
  • Disconnect Left Front Exterior Door Handle C543 or C573 .
  • Measure:
    Click to display connectors

      Vehicles Not Equipped With Phone As a Key Feature


    Positive Lead Measurement / Action Negative Lead
      C543-5   C2280G-10

    Click to display connectors

      Vehicles Equipped With Phone As a Key Feature


    Positive Lead Measurement / Action Negative Lead
      C573-1   C2280G-10

Is the resistance less than 3 ohms?
Yes GO to Y14
No REPAIR the circuit.

Y5 CHECK FOR VOLTAGE TO THE EXTERIOR DOOR HANDLE
  • Ignition OFF.
  • Disconnect the suspect exterior door handle.
  • For vehicles not equipped with the Phone As A Key feature, measure:
    Click to display connectors

      Left Front


    Positive Lead Measurement / Action Negative Lead
      C543-1   Ground

    Click to display connectors

      Right Front


    Positive Lead Measurement / Action Negative Lead
      C634-1   Ground

    Click to display connectors

      Left Rear


    Positive Lead Measurement / Action Negative Lead
      C729-1   Ground

    Click to display connectors

      Right Rear


    Positive Lead Measurement / Action Negative Lead
      C831-1   Ground
  • For vehicles equipped with the Phone As A Key feature, measure:
    Click to display connectors

      Left Front


    Positive Lead Measurement / Action Negative Lead
      C573-4   Ground

    Click to display connectors

      Right Front


    Positive Lead Measurement / Action Negative Lead
      C693-4   Ground

    Click to display connectors

      Left Rear


    Positive Lead Measurement / Action Negative Lead
      C799-4   Ground

    Click to display connectors

      Right Rear


    Positive Lead Measurement / Action Negative Lead
      C899-4   Ground

Is the voltage greater than 11 volts?
Yes GO to Y8
No GO to Y6

Y6 CHECK THE EXTERIOR DOOR HANDLE VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO GROUND
  • Disconnect BCM C2280G .
  • For vehicles not equipped with the Phone As A Key feature, measure:
    Click to display connectors

      Left Front


    Positive Lead Measurement / Action Negative Lead
      C543-1   Ground

    Click to display connectors

      Right Front


    Positive Lead Measurement / Action Negative Lead
      C634-1   Ground

    Click to display connectors

      Left Rear


    Positive Lead Measurement / Action Negative Lead
      C729-1   Ground

    Click to display connectors

      Right Rear


    Positive Lead Measurement / Action Negative Lead
      C831-1   Ground
  • For vehicles equipped with the Phone As A Key feature, measure:
    Click to display connectors

      Left Front


    Positive Lead Measurement / Action Negative Lead
      C573-4   Ground

    Click to display connectors

      Right Front


    Positive Lead Measurement / Action Negative Lead
      C693-4   Ground

    Click to display connectors

      Left Rear


    Positive Lead Measurement / Action Negative Lead
      C799-4   Ground

    Click to display connectors

      Right Rear


    Positive Lead Measurement / Action Negative Lead
      C899-4   Ground

Is the resistance greater than 10,000 ohms?
Yes GO to Y7
No REPAIR the circuit.

Y7 CHECK THE EXTERIOR DOOR HANDLE VOLTAGE SUPPLY CIRCUIT FOR AN OPEN
  • For vehicles not equipped with the Phone As A Key feature, measure:
    Click to display connectors

      Left Front


    Positive Lead Measurement / Action Negative Lead
      C543-1   C2280G-4

    Click to display connectors

      Right Front


    Positive Lead Measurement / Action Negative Lead
      C634-1   C2280G-12

    Click to display connectors

      Left Rear


    Positive Lead Measurement / Action Negative Lead
      C729-1   C2280G-3

    Click to display connectors

      Right Rear


    Positive Lead Measurement / Action Negative Lead
      C831-1   C2280G-11
  • For vehicles equipped with the Phone As A Key feature, measure:
    Click to display connectors

      Left Front


    Positive Lead Measurement / Action Negative Lead
      C573-4   C2280G-4

    Click to display connectors

      Right Front


    Positive Lead Measurement / Action Negative Lead
      C693-4   C2280G-12

    Click to display connectors

      Left Rear


    Positive Lead Measurement / Action Negative Lead
      C799-4   C2280G-3

    Click to display connectors

      Right Rear


    Positive Lead Measurement / Action Negative Lead
      C899-4   C2280G-11

Is the resistance less than 3 ohms?
Yes GO to Y14
No REPAIR the circuit.

Y8 CHECK THE EXTERIOR DOOR HANDLE GROUND CIRCUIT FOR AN OPEN
  • For vehicles not equipped with the Phone As A Key feature, measure:
    Click to display connectors

      Left Front


    Positive Lead Measurement / Action Negative Lead
      C543-1   C543-5

    Click to display connectors

      Right Front


    Positive Lead Measurement / Action Negative Lead
      C634-1   C634-5

    Click to display connectors

      Left Rear


    Positive Lead Measurement / Action Negative Lead
      C729-1   C729-4

    Click to display connectors

      Right Rear


    Positive Lead Measurement / Action Negative Lead
      C831-1   C831-4
  • For vehicles equipped with the Phone As A Key feature, measure:
    Click to display connectors

      Left Front


    Positive Lead Measurement / Action Negative Lead
      C573-4   C573-1

    Click to display connectors

      Right Front


    Positive Lead Measurement / Action Negative Lead
      C693-4   C693-1

    Click to display connectors

      Left Rear


    Positive Lead Measurement / Action Negative Lead
      C799-4   C799-1

    Click to display connectors

      Right Rear


    Positive Lead Measurement / Action Negative Lead
      C899-4   C899-1

Is the resistance less than 3 ohms?
Yes GO to Y9
No REPAIR the circuit.

Y9 CHECK THE EXTERIOR DOOR HANDLE
  • Remove the opposite side exterior door handle.
    REFER to: Exterior Front Door Handle (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
    REFER to: Exterior Rear Door Handle (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
  • Transfer the exterior door handle from the opposite side of the vehicle to the suspect exterior door. For example, if the left front exterior door handle is suspect, transfer the right front exterior door handle to the left front door.
  • Operate the passive entry feature from the suspect door.

Does the passive entry feature operate from the suspect door?
Yes INSTALL a new exterior door handle for the one in question.
REFER to: Exterior Front Door Handle (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
REFER to: Exterior Rear Door Handle (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
No For a front door handle, GO to Y10
For a rear door handle, GO to Y14

Y10 CHECK THE EXTERIOR DOOR HANDLE ANTENNA CIRCUITS FOR A SHORT TO VOLTAGE
  • Disconnect BCM C2280G .
  • For vehicles not equipped with the Phone As A Key feature, measure:
    Click to display connectors

      Left Front


    Positive Lead Measurement / Action Negative Lead
      C543-2   Ground
      C543-3   Ground

    Click to display connectors

      Right Front


    Positive Lead Measurement / Action Negative Lead
      C634-2   Ground
      C634-3   Ground
  • For vehicles equipped with the Phone As A Key feature, measure:
    Click to display connectors

      Left Front


    Positive Lead Measurement / Action Negative Lead
      C573-3   Ground
      C573-6   Ground

    Click to display connectors

      Right Front


    Positive Lead Measurement / Action Negative Lead
      C693-3   Ground
      C693-6   Ground

Is any voltage present?
Yes REPAIR the circuit in question.
No GO to Y11

Y11 CHECK THE EXTERIOR DOOR HANDLE ANTENNA CIRCUITS FOR A SHORT TO GROUND
  • Ignition OFF.
  • For vehicles not equipped with the Phone As A Key feature, measure:
    Click to display connectors

      Left Front


    Positive Lead Measurement / Action Negative Lead
      C543-2   Ground
      C543-3   Ground

    Click to display connectors

      Right Front


    Positive Lead Measurement / Action Negative Lead
      C634-2   Ground
      C634-3   Ground
  • For vehicles equipped with the Phone As A Key feature, measure:
    Click to display connectors

      Left Front


    Positive Lead Measurement / Action Negative Lead
      C573-3   Ground
      C573-6   Ground

    Click to display connectors

      Right Front


    Positive Lead Measurement / Action Negative Lead
      C693-3   Ground
      C693-6   Ground

Are the resistances greater than 10,000 ohms?
Yes GO to Y12
No REPAIR the circuit in question.

Y12 CHECK THE EXTERIOR DOOR HANDLE ANTENNA CIRCUITS FOR A SHORT TO EACH OTHER
  • Ignition OFF.
  • For vehicles not equipped with the Phone As A Key feature, measure:
    Click to display connectors

      Left Front


    Positive Lead Measurement / Action Negative Lead
      C543-2   C543-3

    Click to display connectors

      Right Front


    Positive Lead Measurement / Action Negative Lead
      C634-2   C634-3
  • For vehicles equipped with the Phone As A Key feature, measure:
    Click to display connectors

      Left Front


    Positive Lead Measurement / Action Negative Lead
      C573-3   C573-6

    Click to display connectors

      Right Front


    Positive Lead Measurement / Action Negative Lead
      C693-3   C693-6

Are the resistances greater than 10,000 ohms?
Yes GO to Y13
No REPAIR the circuits in question.

Y13 CHECK THE EXTERIOR DOOR HANDLE ANTENNA CIRCUITS FOR AN OPEN
  • For vehicles not equipped with the Phone As A Key feature, measure:
    Click to display connectors

      Left Front


    Positive Lead Measurement / Action Negative Lead
      C543-2   C2280G-15
      C543-3   C2280G-7

    Click to display connectors

      Right Front


    Positive Lead Measurement / Action Negative Lead
      C634-2   C2280G-16
      C634-3   C2280G-8
  • For vehicles equipped with the Phone As A Key feature, measure:
    Click to display connectors

      Left Front


    Positive Lead Measurement / Action Negative Lead
      C573-3   C2280G-15
      C573-6   C2280G-7

    Click to display connectors

      Right Front


    Positive Lead Measurement / Action Negative Lead
      C693-3   C2280G-16
      C693-6   C2280G-8

Are the resistances less than 3 ohms?
Yes GO to Y14
No REPAIR the circuit in question.

Y14 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION
  • Disconnect and inspect all the BCM connectors.
  • Repair:
    • Corrosion (clean module pins or install new connectors or terminals)
    • Damaged or bent pins (install new terminals or pins)
    • Pushed-out pins (install new pins as necessary)
  • Reconnect the BCM connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST Z: THE LIFTGATE PASSIVE ENTRY FEATURE IS INOPERATIVE

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Component Location (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).
REFER to: Handles, Locks, Latches and Entry Systems - Overview (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).
REFER to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
BCM B10C7:01 Interior Trunk Antenna: General Electrical Failure Sets when the BCM detects a fault from the keyless entry rear antenna input.

Possible Sources

  • Wiring, terminals or connectors
  • Keyless entry rear antenna
  • BCM

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

Z1 CHECK THE POWER LIFTGATE OPERATION
  • Ignition ON.
  • Unlock the doors using the door lock control switch.
  • Press the power liftgate button located on the rear of the vehicle.

Does the liftgate open?
Yes GO to Z2
No
REFER to: Body Closures (501-03 Body Closures, Diagnosis and Testing).

Z2 CHECK THE RKE (REMOTE KEYLESS ENTRY) OPERATION
  • Close the liftgate.
  • Press the liftgate button twice on a valid programmed passive key.

Does the liftgate open?
Yes GO to Z3
No GO to Pinpoint Test U

Z3 CHECK THE KEYLESS ENTRY REAR ANTENNA CIRCUITS FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect Keyless Entry Rear Antenna C4029 .
  • Disconnect BCM C2280G .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C4029-1   Ground
      C4029-2   Ground

Is any voltage present?
Yes REPAIR the circuit in question.
No GO to Z4

Z4 CHECK THE KEYLESS ENTRY REAR ANTENNA CIRCUITS FOR A SHORT TO GROUND
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C4029-1   Ground
      C4029-2   Ground

Are the resistances greater than 10,000 ohms?
Yes GO to Z5
No REPAIR the circuit in question.

Z5 CHECK THE KEYLESS ENTRY REAR ANTENNA CIRCUITS FOR A SHORT TO EACH OTHER
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C4029-1   C4029-2

Are the resistances less than 3 ohms?
Yes GO to Z6
No REPAIR the circuits.

Z6 CHECK THE KEYLESS ENTRY REAR ANTENNA CIRCUITS FOR AN OPEN
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C4092-1   C2280G-14
      C4092-2   C2280G-6
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C4029-1   C2280G-14
      C4029-2   C2280G-6

Are the resistances less than 3 ohms?
Yes INSTALL a new keyless entry rear antenna.
REFER to: Keyless Entry Rear Antenna (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation). TEST the system for normal operation. If the concern is still present, GO to Z7
No REPAIR the circuit in question.

Z7 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION
  • Disconnect and inspect all the BCM connectors.
  • Repair:
    • Corrosion (clean module pins or install new connectors or terminals)
    • Damaged or bent pins (install new terminals or pins)
    • Pushed-out pins (install new pins as necessary)
  • Reconnect the BCM connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST AA: THE APPROACH DETECTION FEATURE IS INOPERATIVE

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Component Location (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).
REFER to: Handles, Locks, Latches and Entry Systems - Overview (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).
REFER to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

Possible Sources

  • Approach detection disabled
  • Passive entry system concern
  • Courtesy lamp concern
  • Exterior lamp concern
  • Wiring, terminals or connectors
  • RKE system concern
AA1 CHECK THE APPROACH DETECTION SETTING
  • Ignition ON.
  • Using the steering wheel control switch, check the approach detection setting in the message center.

Is the approach detection setting enabled?
Yes GO to AA2
No ENABLE the approach detection setting.

AA2 CHECK THE PASSIVE ENTRY FEATURE
  • Ignition OFF.
  • Check the passive entry feature of both front doors and the liftgate.

Does the passive entry feature operate from the front doors and the liftgate?
Yes GO to AA3
No For a door passive entry concern, GO to Pinpoint Test Y
For a liftgate passive entry concern, GO to Pinpoint Test Z

AA3 CHECK THE ILLUMINATED ENTRY OPERATION
  • Close all the doors and lock the vehicle.
  • While observing the exterior lamps and the courtesy lamps, unlock the vehicle using a valid programmed passive key.

Does the illuminated entry feature operate correctly?
Yes System is operating correctly at this time.
No
REFER to: Interior Lighting (417-02 Interior Lighting, Diagnosis and Testing).

PINPOINT TEST AB: U0258:87 OR U1A00:00

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

The RTM communicates with the BCM over a LIN circuit and, when the network is awake, over the CAN .

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
BCM U0258:87 Lost Communication With Radio Transceiver: Missing Message Sets when the BCM detects a communication fault with the RTM over the LIN circuit.
RTM U1A00:00 Private Communication Network: No Sub Type Information Sets when the RTM detects a fault with the LIN circuit to the BCM .

Possible Sources

  • Wiring, terminals or connectors
  • RTM
  • BCM

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

AB1 CHECK IF THE RTM (RADIO TRANSCEIVER MODULE) AND THE BCM (BODY CONTROL MODULE) PASS THE NETWORK TEST
  • Ignition ON.
  • Using a diagnostic tool, carry out the network test.

Does the RTM and the BCM pass the network test?
Yes GO to AB2
No
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

AB2 CHECK THE LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect RTM C9026 .
  • Disconnect BCM C2280D .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C9026-2   Ground

Is any voltage present?
Yes REPAIR the circuit.
No GO to AB3

AB3 CHECK THE LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO GROUND
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C9026-2   Ground

Is the resistance greater than 10,000 ohms?
Yes GO to AB4
No REPAIR the circuit.

AB4 CHECK THE LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR AN OPEN
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C9026-2   C2280D-33

Is the resistance less than 3 ohms?
Yes GO to AB5
No REPAIR the circuit.

AB5 CHECK FOR CORRECT RTM (RADIO TRANSCEIVER MODULE) OPERATION
  • Disconnect and inspect all the RTM connector.
  • Repair:
    • Corrosion (clean module pins or install new connectors or terminals)
    • Damaged or bent pins (install new terminals or pins)
    • Pushed-out pins (install new pins as necessary)
  • Reconnect the RTM connectors and make sure it seats and latches correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new RTM .
REFER to: Radio Transceiver Module (RTM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

AB6 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION
  • Disconnect and inspect all the BCM connectors.
  • Repair:
    • Corrosion (clean module pins or install new connectors or terminals)
    • Damaged or bent pins (install new terminals or pins)
    • Pushed-out pins (install new pins as necessary)
  • Reconnect the BCM connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST AC: P1594:00 OR P1595:00

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Overview (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

When the BCM receives a request to remote start the vehicle, it first checks to make sure conditions exist to allow it to start (for example, the hood and doors closed, vehicle in PARK, no powertrain concerns). If the required conditions are correct, the BCM starts the vehicle and allows it to run for a predetermined amount of time, determined by the setting selected from the message center.

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
PCM P1594:00 Forced Engine Shutdown - Remote Start System Fault, No Unattended Vehicle Timeout: No Sub Type Information Sets when the PCM detects the remote start has been active for more than 30 minutes continuously.
PCM P1595:00 Forced Engine Shutdown - Remote Start System Fault, Transmission Range Not In Park Position: No Sub Type Information Sets when the PCM detects the remote start is active with the transmission not in PARK

Possible Sources

  • Powertrain concern
  • BCM concern
AC1 CHECK FOR PCM (POWERTRAIN CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Ignition ON.
  • Using a diagnostic scan tool, carry out the PCM self-test.

Are any PCM Diagnostic Trouble Codes (DTCs) besides P1594:00 or P1595:00 present?
Yes DIAGNOSE all other PCM Diagnostic Trouble Codes (DTCs) first. REFER to the Master DTC Chart.
No COMPLETE a module initialization,
REFER to: Anti-Theft Key Programming - Scan Tool (419-01B Passive Anti-Theft System (PATS), General Procedures).
If this does not clear the DTC GO to AC2

AC2 CHECK FOR BCM (BODY CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using a diagnostic scan tool, carry out the BCM self-test.

Are any Diagnostic Trouble Codes (DTCs) present?
Yes REFER to the DTC Chart in this section.
No GO to Pinpoint Test W

PINPOINT TEST AD: B1142:29

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

Turn the ignition ON and repeat the DDM or the PDM self-test.

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
DDM B1142:29 Ignition Status 1: Signal Invalid Sets when the DDM has not received the ignition ON message from the BCM during the self-test.
PDM B1142:29 Ignition Status 1: Signal Invalid Sets when the PDM has not received the ignition ON message from the BCM during the self-test.

Possible Sources

  • Ignition is off
Diagnostic steps are not provided for this symptom or DTC.  REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST AE: U0140:00

Normal Operation and Fault Conditions

The DDM and the PDM communicate with the BCM over the CAN . If the DDM / PDM does not receive messages from the BCM , features such as the puddle lamps, exterior mirror turn signal and door switch illumination can be inoperative.

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
DDM U0140:00 Lost Communication With Body Control Module: No Sub Type Information Sets when the DDM detects data messages are missing from the BCM .
PDM U0140:00 Lost Communication With Body Control Module: No Sub Type Information Sets when the PDM detects data messages are missing from the BCM .

Possible Sources

  • Network communication concern
  • DDM concern
  • PDM concern
  • BCM
AE1 VERIFY THE CONCERN
  • Ignition ON.
  • Verify there is an observable symptom present.

Is an observable symptom present?
Yes GO to AE2
No CLEAR the DTC . The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

AE2 CHECK THE NETWORK COMMUNICATION
  • Using a diagnostic scan tool, carry out a network test.

Does the BCM pass the network test?
Yes GO to AE3
No
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

AE3 CHECK FOR NON-NETWORK DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using a diagnostic scan tool, carry out the self-test for the module in question (DDM , PDM ) setting the DTC .

Are any non-network Diagnostic Trouble Codes (DTCs) present?
Yes DIAGNOSE all non-network Diagnostic Trouble Codes (DTCs) first. REFER to the DTC Chart in this section.
No GO to AE4

AE4 CHECK FOR NON-NETWORK BCM (BODY CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using a diagnostic scan tool, carry out the BCM self-test.

Are any non-network Diagnostic Trouble Codes (DTCs) present?
Yes
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No GO to AE5

AE5 RECHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0140:00
  • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) for the module in question (DDM , PDM ) setting the DTC .
  • Ignition OFF.
  • Ignition ON.
  • Wait 10 seconds.
  • Using a diagnostic scan tool, carry out the self-test for the module in question (DDM , PDM ) setting the DTC ) setting the DTC .

Is DTC U0140:00 still present?
Yes GO to AE6
No The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

AE6 CHECK FOR OTHER CAUSES OF NETWORK COMMUNICATION CONCERN

NOTE: If new modules were installed prior to the DTC being set, the module configuration can be incorrectly set during the PMI or the PMI may not have been carried out.

  • Check the vehicle service history for recent service actions related to the BCM and the module in question ( DDM , PDM ) setting the DTC . If recent service history is found:
    • verify correct replacement module was installed
      • vehicle parts build list may be used to verify correct part fitment
    • verify the configuration of replacement module was correct
      • re-configure module using as-built data if prior configuration is suspect
    • verify the module was not obtained from a like vehicle and installed into vehicle with concern
      • return the swapped module to source vehicle and obtain new replacement module
  • Operate the system and determine if the observable symptom is still present.

Is the observable symptom still present?
Yes GO to AE7
No The system is operating correctly at this time. The concern may have been due to incorrect parts replacement procedures or incorrect module configuration.

AE7 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION
  • Ignition OFF.
  • Disconnect and inspect the BCM connectors.
  • Repair:
    • corrosion (install new connectors or terminals - clean module pins)
    • damaged or bent pins - install new terminals pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the BCM connectors. Make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST AF: U0164:00

Normal Operation and Fault Conditions

The DDM and the PDM communicate with the HVAC module over the CAN . If messages are missing or not received from the HVAC module, features such as the mirror defrost can be inoperative.

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
DDM U0164:00 Lost Communication With HVAC Control Module: No Sub Type Information Sets when the DDM detects data messages are missing from the HVAC module.
PDM U0164:00 Lost Communication With HVAC Control Module: No Sub Type Information Sets when the PDM detects data messages are missing from the HVAC module.

Possible Sources

  • Network communication concern
  • DDM concern
  • PDM concern
  • HVAC module
AF1 VERIFY THE CONCERN
  • Ignition ON.
  • Verify there is an observable symptom present.

Is an observable symptom present?
Yes GO to AF2
No CLEAR the DTC . The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

AF2 CHECK THE NETWORK COMMUNICATION
  • Using a diagnostic scan tool, carry out the network test.

Does the HVAC module pass the network test?
Yes GO to AF3
No
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

AF3 CHECK FOR NON-NETWORK DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using a diagnostic scan tool, carry out the self-test for the module in question (DDM , PDM ) setting the DTC .

Are any non-network Diagnostic Trouble Codes (DTCs) present?
Yes REFER to the Master Diagnostic Trouble Code (DTC) chart.
No GO to AF4

AF4 CHECK FOR NON-NETWORK HVAC (HEATING, VENTILATION AND AIR CONDITIONING) MODULE DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using a diagnostic scan tool, carry out the HVAC module self-test.

Are any non-network Diagnostic Trouble Codes (DTCs) present?
Yes DIAGNOSE all non-network Diagnostic Trouble Codes (DTCs) first. REFER to the DTC Chart in this section.
No GO to AF5

AF5 RECHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0164:00
  • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) for the module in question (DDM , PDM ) setting the DTC .
  • Ignition OFF.
  • Ignition ON.
  • Wait 10 seconds.
  • Using a diagnostic scan tool, carry out the self-test for the module in question (DDM , PDM ) setting the DTC .

Is DTC U0164:00 still present?
Yes GO to AF6
No The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

AF6 CHECK FOR OTHER CAUSES OF NETWORK COMMUNICATION CONCERN

NOTE: If new modules were installed prior to the DTC being set, the module configuration can be incorrectly set during the PMI or the PMI may not have been carried out.

  • Check the vehicle service history for recent service actions related to the HVAC module and module in question ( DDM , PDM ) setting the DTC . If recent service history is found:
    • verify correct replacement module was installed
      • vehicle parts build list may be used to verify correct part fitment
    • verify the configuration of replacement module was correct
      • re-configure module using as-built data if prior configuration is suspect
    • verify the module was not obtained from a like vehicle and installed into vehicle with concern
      • return the swapped module to source vehicle and obtain new replacement module
  • Operate the system and determine if the observable symptom is still present.

Is the observable symptom still present?
Yes GO to AF7
No The system is operating correctly at this time. The concern may have been due to incorrect parts replacement procedures or incorrect module configuration.

AF7 CHECK FOR CORRECT HVAC (HEATING, VENTILATION AND AIR CONDITIONING) MODULE OPERATION
  • Ignition OFF.
  • Disconnect and inspect the HVAC module connectors.
  • Repair:
    • corrosion (install new connectors or terminals - clean module pins)
    • damaged or bent pins - install new terminals pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the HVAC module connectors. Make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new HVAC module.
REFER to: Heating, Ventilation and Air Conditioning (HVAC) Control Module (412-00 Climate Control System - General Information, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST AG: U0208:00

Normal Operation and Fault Conditions

The DDM and the PDM communicate with the DSM over the CAN . If the messages are missing or not received from the DSM , features such as the memory mirror position can be inoperative.

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
DDM U0208:00 Lost Communication With 'Seat Control Module A': No Sub Type Information Sets when the DDM detects data messages are missing from the DSM .
PDM U0208:00 Lost Communication With 'Seat Control Module A': No Sub Type Information Sets when the PDM detects data messages are missing from the DSM .

Possible Sources

  • Network communication concern
  • DDM concern
  • PDM concern
  • DSM
AG1 VERIFY THE CONCERN
  • Ignition ON.
  • Verify there is an observable symptom present.

Is an observable symptom present?
Yes GO to AG2
No CLEAR the DTC . The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

AG2 CHECK THE NETWORK COMMUNICATION
  • Using a diagnostic scan tool, carry out the network test.

Does the DSM pass the network test?
Yes GO to AG3
No
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

AG3 CHECK FOR NON-NETWORK DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using a diagnostic scan tool, carry out the self-test for the module in question (DDM , PDM ) setting the DTC .

Are any non-network Diagnostic Trouble Codes (DTCs) present?
Yes REFER to the Master Diagnostic Trouble Code (DTC) chart.
No GO to AG4

AG4 CHECK FOR NON-NETWORK DSM (DRIVER FRONT SEAT MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using a diagnostic scan tool, carry out the DSM self-test.

Are any non-network Diagnostic Trouble Codes (DTCs) present?
Yes
REFER to: Front Seats (501-10A Front Seats, Diagnosis and Testing).
No GO to AG5

AG5 RECHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0208:00
  • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) for the module in question (DDM , PDM ) setting the DTC .
  • Ignition OFF.
  • Ignition ON.
  • Wait 10 seconds.
  • Using a diagnostic scan tool, carry out the self-test for the module in question (DDM , PDM ) setting the DTC .

Is DTC U0208:00 still present?
Yes GO to AG6
No The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

AG6 CHECK FOR OTHER CAUSES OF NETWORK COMMUNICATION CONCERN

NOTE: If new modules were installed prior to the DTC being set, the module configuration can be incorrectly set during the PMI or the PMI may not have been carried out.

  • Check the vehicle service history for recent service actions related to the DSM and the module in question ( DDM , PDM ) setting the DTC . If recent service history is found:
    • verify correct replacement module was installed
      • vehicle parts build list may be used to verify correct part fitment
    • verify the configuration of replacement module was correct
      • re-configure module using as-built data if prior configuration is suspect
    • verify the module was not obtained from a like vehicle and installed into vehicle with concern
      • return the swapped module to source vehicle and obtain new replacement module
  • Operate the system and determine if the observable symptom is still present.

Is the observable symptom still present?
Yes GO to AG7
No The system is operating correctly at this time. The concern may have been due to incorrect parts replacement procedures or incorrect module configuration.

AG7 CHECK FOR CORRECT DSM (DRIVER FRONT SEAT MODULE) OPERATION
  • Ignition OFF.
  • Disconnect and inspect the DSM connectors.
  • Repair:
    • corrosion (install new connectors or terminals - clean module pins)
    • damaged or bent pins - install new terminals pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the DSM connectors. Make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new DSM .
REFER to: Driver Front Seat Module (DSM) (501-10A Front Seats, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST AH: U0232:00

Normal Operation and Fault Conditions

The DDM communicates with the SODL over the CAN . If messages are missing or not received from the SODL , the left side obstacle detection indicator may be inoperative.

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
DDM U0232:00 Lost Communication With Side Obstacle Detection Control Module 'A': No Sub Type Information Sets when the DDM detects data messages are missing from the SODL .

Possible Sources

  • Network communication concern
  • DDM concern
  • SODL
AH1 VERIFY THE CONCERN
  • Ignition ON.
  • Verify there is an observable symptom present.

Is an observable symptom present?
Yes GO to AH2
No CLEAR the DTC . The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

AH2 CHECK THE NETWORK COMMUNICATION
  • Using a diagnostic scan tool, carry out the network test.

Does the SODL pass the network test?
Yes GO to AH3
No
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

AH3 CHECK FOR NON-NETWORK DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using a diagnostic scan tool, carry out the self-test for the module in question (DDM ) setting the DTC .

Are any non-network Diagnostic Trouble Codes (DTCs) present?
Yes REFER to the DTC Chart in this section.
No GO to AH4

AH4 CHECK FOR NON-NETWORK SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using a diagnostic scan tool, carry out the SODL self-test.

Are any non-network Diagnostic Trouble Codes (DTCs) present?
Yes GO to AH5
No The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

AH5 RECHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0232:00
  • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) for the module in question (DDM ) setting the DTC .
  • Ignition OFF.
  • Ignition ON.
  • Wait 10 seconds.
  • Using a diagnostic scan tool, carry out the self-test for the module in question (DDM ) setting the DTC .

Is DTC U0232:00 still present?
Yes GO to AH6
No The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

AH6 CHECK FOR OTHER CAUSES OF NETWORK COMMUNICATION CONCERN

NOTE: If new modules were installed prior to the DTC being set, the module configuration can be incorrectly set during the PMI or the PMI may not have been carried out.

  • Check the vehicle service history for recent service actions related to the SODL and the module in question ( DDM ) setting the DTC . If recent service history is found:
    • verify correct replacement module was installed
      • vehicle parts build list may be used to verify correct part fitment
    • verify the configuration of replacement module was correct
      • re-configure module using as-built data if prior configuration is suspect
    • verify the module was not obtained from a like vehicle and installed into vehicle with concern
      • return the swapped module to source vehicle and obtain new replacement module
  • Operate the system and determine if the observable symptom is still present.

Is the observable symptom still present?
Yes GO to AH7
No The system is operating correctly at this time. The concern may have been due to incorrect parts replacement procedures or incorrect module configuration.

AH7 CHECK FOR CORRECT SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) OPERATION
  • Ignition OFF.
  • Disconnect and inspect the SODL connector.
  • Repair:
    • corrosion (install new connectors or terminals - clean module pins)
    • damaged or bent pins - install new terminals pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the SODL connector. Make sure it seats and latches correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new SODL .
REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST AI: U0233:00

Normal Operation and Fault Conditions

The PDM communicates with the SODR over the CAN . If messages are missing or not received from the SODR , the right side obstacle detection indicator may be inoperative.

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
PDM U0233:00 Lost Communication With Side Obstacle Detection Control Module 'B': No Sub Type Information Sets when the PDM detects data messages are missing from the SODR .

Possible Sources

  • Network communication concern
  • PDM concern
  • SODR
AI1 VERIFY THE CONCERN
  • Ignition ON.
  • Verify there is an observable symptom present.

Is an observable symptom present?
Yes GO to AI2
No CLEAR the DTC . The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

AI2 CHECK THE NETWORK COMMUNICATION
  • Using a diagnostic scan tool, carry out the network test.

Does the SODR pass the network test?
Yes GO to AI3
No
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

AI3 CHECK FOR NON-NETWORK DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using a diagnostic scan tool, carry out the self-test for the module in question (PDM ) setting the DTC .

Are any non-network Diagnostic Trouble Codes (DTCs) present?
Yes REFER to the DTC Chart in this section.
No GO to AI4

AI4 CHECK FOR NON-NETWORK SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using a diagnostic scan tool, carry out the SODR self-test.

Are any non-network Diagnostic Trouble Codes (DTCs) present?
Yes GO to AI5
No The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

AI5 RECHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0233:00
  • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) for the module in question (PDM ) setting the DTC .
  • Ignition OFF.
  • Ignition ON.
  • Wait 10 seconds.
  • Using a diagnostic scan tool, carry out the self-test for the module in question (PDM ) setting the DTC .

Is DTC U0233:00 still present?
Yes GO to AI6
No The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

AI6 CHECK FOR OTHER CAUSES OF NETWORK COMMUNICATION CONCERN

NOTE: If new modules were installed prior to the DTC being set, the module configuration can be incorrectly set during the PMI or the PMI may not have been carried out.

  • Check the vehicle service history for recent service actions related to the SODR and the module in question ( PDM ) setting the DTC . If recent service history is found:
    • verify correct replacement module was installed
      • vehicle parts build list may be used to verify correct part fitment
    • verify the configuration of replacement module was correct
      • re-configure module using as-built data if prior configuration is suspect
    • verify the module was not obtained from a like vehicle and installed into vehicle with concern
      • return the swapped module to source vehicle and obtain new replacement module
  • Operate the system and determine if the observable symptom is still present.

Is the observable symptom still present?
Yes GO to AI7
No The system is operating correctly at this time. The concern may have been due to incorrect parts replacement procedures or incorrect module configuration.

AI7 CHECK FOR CORRECT SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) OPERATION
  • Ignition OFF.
  • Disconnect and inspect the SODR connector.
  • Repair:
    • corrosion (install new connectors or terminals - clean module pins)
    • damaged or bent pins - install new terminals pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the SODR connector. Make sure it seats and latches correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new SODR .
REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST AJ: U0294:00

Normal Operation and Fault Conditions

The DDM and the PDM communicate with the PCM over the CAN . If messages are missing or not received from the PCM , the window inhibit feature can be inoperative.

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
DDM U0294:00 Lost Communication With Powertrain Control Monitor Module: No Sub Type Information Sets when the DDM detects data messages are missing from the PCM .
PDM U0294:00 Lost Communication With Powertrain Control Monitor Module: No Sub Type Information Sets when the PDM detects data messages are missing from the PCM .

Possible Sources

  • Network communication concern
  • DDM concern
  • PDM concern
  • PCM
AJ1 VERIFY THE CONCERN
  • Ignition ON.
  • Verify there is an observable symptom present.

Is an observable symptom present?
Yes GO to AJ2
No The system is operating normally at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

AJ2 CHECK THE NETWORK COMMUNICATION
  • Using a diagnostic scan tool, carry out the network test.

Does the PCM pass the network test?
Yes GO to AJ3
No
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

AJ3 CHECK FOR NON-NETWORK DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using a diagnostic scan tool, carry out the self-test for the module in question (DDM , PDM ) setting the DTC .

Are any non-network Diagnostic Trouble Codes (DTCs) present?
Yes REFER to the Master Diagnostic Trouble Code (DTC) chart.
No GO to AJ4

AJ4 CHECK FOR PCM (POWERTRAIN CONTROL MODULE) TROUBLE CODES (DTCS)
  • Using a diagnostic scan tool, carry out the PCM self-test.

Are any non-network Diagnostic Trouble Codes (DTCs) present?
Yes REFER to the Master Diagnostic Trouble Code (DTC) chart.
No GO to AJ5

AJ5 RECHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0294:00
  • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) for the module in question (DDM , PDM ) setting the DTC .
  • Ignition OFF.
  • Ignition ON.
  • Wait 10 seconds.
  • Using a diagnostic scan tool, carry out the self-test for the module in question (DDM , PDM ) setting the DTC .

Is DTC U0294:00 still present?
Yes GO to AJ6
No The system is operating correctly at this time. The DTC may have set due to high network traffic or an intermittent fault condition.

AJ6 CHECK FOR OTHER CAUSES OF NETWORK COMMUNICATION CONCERN

NOTE: If new modules were installed prior to the DTC being set, the module configuration can be incorrectly set during the PMI or the PMI may not have been carried out.

  • Check the vehicle service history for recent service actions related to the PCM and the module in question ( DDM , PDM ) setting the DTC . If recent service history is found:
    • verify correct replacement module was installed
      • vehicle parts build list may be used to verify correct part fitment
    • verify the configuration of replacement module was correct
      • re-configure module using as-built data if prior configuration is suspect
    • verify the module was not obtained from a like vehicle and installed into vehicle with concern
      • return the swapped module to source vehicle and obtain new replacement module
  • Operate the system and determine if the observable symptom is still present.

Is the observable symptom still present?
Yes GO to AJ7
No The system is operating correctly at this time. The concern may have been due to incorrect parts replacement procedures or incorrect module configuration.

AJ7 CHECK FOR CORRECT PCM (POWERTRAIN CONTROL MODULE) OPERATION
  • Ignition OFF.
  • Disconnect and inspect all the PCM connectors.
  • Repair:
    • corrosion (install new connectors or terminals - clean module pins)
    • damaged or bent pins - install new terminals pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the PCM connectors. Make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern,
   VIN required to access Guided Routine (PCM)
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST AK: U3003:16

Refer to Wiring Diagrams Cell 130 for schematic and connector information.

Normal Operation and Fault Conditions

The modules monitor the supplied voltage and set a DTC if it falls below a threshold.

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
DDM U3003:16 Battery Voltage: Circuit Voltage Below Threshold Sets in continuous memory and during the on-demand self-test when the DDM detects the supply voltage below 10 volts.
PDM U3003:16 Battery Voltage: Circuit Voltage Below Threshold Sets in continuous memory and during the on-demand self-test when the PDM detects the supply voltage below 10 volts.

Possible Sources

  • Previous low battery voltage
  • Wiring, terminals, or connectors
  • Charging system concern
  • DDM
  • PDM
AK1 RECHECK FOR LOW VOLTAGE DIAGNOSTIC TROUBLE CODES (DTCS)
  • Ignition ON.
  • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) for the module in question setting the low voltage DTC .
  • Wait 10 seconds.
  • Using a diagnostic scan tool, carry out the self-test for the module in question setting the low voltage DTC .

Is DTC U3003:16 still present?
Yes GO to AK2
No The system is operating correctly at this time. The DTC may have been set due to a previous low battery voltage condition.

AK2 CHECK FOR CHARGING SYSTEM DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using a diagnostic scan tool, carry out the PCM KOEO and KOER self-tests.

Are any voltage-related Diagnostic Trouble Codes (DTCs) present?
Yes DIAGNOSE the charging system concern.
REFER to: Charging System - 2.0L EcoBoost (177kW/240PS) – MI4/2.3L EcoBoost (199kW/270PS) (414-00 Charging System - General Information, Diagnosis and Testing).
No GO to AK3

AK3 CHECK THE BATTERY CONDITION AND STATE OF CHARGE
  • Ignition OFF.
  • Check the battery condition and verify the battery is fully charged.
    REFER to: Battery (414-01 Battery, Mounting and Cables, Diagnosis and Testing).

Is the battery OK and fully charged?
Yes GO to AK4
No DIAGNOSE the battery.
REFER to: Battery (414-01 Battery, Mounting and Cables, Diagnosis and Testing).

AK4 COMPARE THE SUSPECT MODULE VOLTAGE SUPPLY TO THE BATTERY VOLTAGE
  • Ignition ON.
  • Measure and record the battery voltage.
  • For the suspect module, monitor the voltage supply PID :
    • DDM :

      Access the  DDM  and monitor the  VPWR (V)  PID

    • PDM :

      Access the  PDM  and monitor the  VPWR (V)  PID


Is the voltage reading within 0.2 volt of the recorded battery voltage?
Yes For the DDM , GO to AK7
For the PDM , GO to AK8
No GO to AK5

AK5 CHECK THE MODULE VOLTAGE SUPPLY CIRCUIT FOR HIGH RESISTANCE
  • Ignition OFF.
  • Disconnect the suspect module.
  • Ignition ON.
  • Measure and record the battery voltage.
  • For the suspect module, measure:
    Click to display connectors

      DDM


    Positive Lead Measurement / Action Negative Lead
      C501A-2   Ground

    Click to display connectors

      PDM


    Positive Lead Measurement / Action Negative Lead
      C652A-2   Ground

Is the voltage reading within 0.2 volt of the recorded battery voltage?
Yes GO to AK6
No REPAIR the circuit for high resistance.

AK6 CHECK THE SUSPECT MODULE GROUND CIRCUIT FOR HIGH RESISTANCE
  • For the suspect module, measure:
    Click to display connectors

      DDM


    Positive Lead Measurement / Action Negative Lead
      C501A-2   C501A-14

    Click to display connectors

      PDM


    Positive Lead Measurement / Action Negative Lead
      C652A-2   C652A-14

Is the voltage reading within 0.2 volt of the recorded battery voltage?
Yes For the DDM , GO to AK7
For the PDM , GO to AK8
No REPAIR the circuit for high resistance.

AK7 CHECK FOR CORRECT DDM (DRIVER DOOR MODULE) OPERATION
  • Ignition OFF.
  • Disconnect and inspect all the DDM connectors.
  • Repair:
    • corrosion (install new connectors or terminals - clean module pins)
    • damaged or bent pins - install new terminals pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the DDM connectors. Make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new DDM .
REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

AK8 CHECK FOR CORRECT PDM (PASSENGER DOOR MODULE) OPERATION
  • Ignition OFF.
  • Disconnect and inspect all the PDM connectors.
  • Repair:
    • corrosion (install new connectors or terminals - clean module pins)
    • damaged or bent pins - install new terminals pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the PDM connectors. Make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new PDM .
REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST AL: U3003:17

Normal Operation and Fault Conditions

The modules monitor the supplied voltage and set a DTC if it rises above a threshold.

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
DDM U3003:17 Battery Voltage: Circuit Voltage Above Threshold Sets in continuous memory and during the on-demand self-test when the DDM detects the supply voltage is greater than 16 volts.
PDM U3003:17 Battery Voltage: Circuit Voltage Above Threshold Sets in continuous memory and during the on-demand self-test when the PDM detects the supply voltage is greater than 16 volts.

Possible Sources

  • Charging system concern
  • DDM
  • PDM

NOTE: DTC U3003:17 may be stored in the module memory due to past battery charging or vehicle jump starting events.

AL1 CHECK FOR HIGH VOLTAGE DIAGNOSTIC TROUBLE CODES (DTCS) SET IN OTHER MODULES
  • Ignition ON.
  • Using a diagnostic scan tool, retrieve the Continuous Memory Diagnostic Trouble Codes (CMDTCs).

Are any charging or over-voltage related voltage Diagnostic Trouble Codes (DTCs) present in multiple modules?
Yes DIAGNOSE the overcharging condition.
REFER to: Charging System - 2.0L EcoBoost (177kW/240PS) – MI4/2.3L EcoBoost (199kW/270PS) (414-00 Charging System - General Information, Diagnosis and Testing).
No GO to AL2

AL2 CHECK THE BATTERY VOLTAGE WITH THE ENGINE RUNNING
  • Turn off all interior/exterior lights and accessories.
  • Start and run the engine at approximately 2,000 RPM for 3 minutes while monitoring the battery voltage.

Does the battery voltage rise to 15.5 volts or higher?
Yes DIAGNOSE the overcharging condition.
REFER to: Charging System - 2.0L EcoBoost (177kW/240PS) – MI4/2.3L EcoBoost (199kW/270PS) (414-00 Charging System - General Information, Diagnosis and Testing).
No GO to AL3

AL3 RECHECK FOR THE HIGH VOLTAGE DTC (DIAGNOSTIC TROUBLE CODE) IN THE SETTING MODULE
  • Ignition OFF.
  • Ignition ON.
  • Using a diagnostic scan tool, clear the DTC for the suspect module.
  • Wait 10 seconds.
  • Using a diagnostic scan tool, carry out the self-test for the suspect module setting the high voltage DTC .

Is DTC U3003:17 still present?
Yes For the DDM , GO to AL4
For the PDM , GO to AL5
No The system is operating correctly at this time. The DTC may have been set previously during battery charging or while jump starting the vehicle.

AL4 CHECK FOR CORRECT DDM (DRIVER DOOR MODULE) OPERATION
  • Ignition OFF.
  • Disconnect and inspect all the DDM connectors.
  • Repair:
    • corrosion (install new connectors or terminals - clean module pins)
    • damaged or bent pins - install new terminals pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the DDM connectors. Make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new DDM .
REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

AL5 CHECK FOR CORRECT PDM (PASSENGER DOOR MODULE) OPERATION
  • Ignition OFF.
  • Disconnect and inspect all the PDM connectors.
  • Repair:
    • corrosion (install new connectors or terminals - clean module pins)
    • damaged or bent pins - install new terminals pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the PDM connectors. Make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new PDM .
REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST AM: INVALID DATA RECEIVED

Normal Operation and Fault Conditions

RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) from the sending module in question.

  • For the BCM , REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Diagnosis and Testing).
  • For the DSM , REFER to: Front Seats (501-10A Front Seats, Diagnosis and Testing).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
DDM U0422:00 Invalid Data Received From Body Control Module: No Sub Type Information Sets when the DDM receives invalid network data from the BCM .
DDM U0509:00 Invalid Data Received From 'Seat Control Module A': No Sub Type Information Sets when the DDM receives invalid network data from the DSM .
PDM U0422:00 Invalid Data Received From Body Control Module: No Sub Type Information Sets when the PDM receives invalid network data from the BCM .

Possible Sources

  • Suspect sending module concern
Diagnostic steps are not provided for this symptom or DTC.  REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST AN: MODULE CONFIGURATION FAULT

Normal Operation and Fault Conditions

CARRY OUT the PMI using as-built data. CLEAR the Diagnostic Trouble Codes (DTCs) and REPEAT the self-test. If the DTC returns, INSTALL a new module in question setting the DTC .

  • For the DDM , REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation).
  • For the PDM , REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
DDM U2100:00 Initial Configuration Not Complete: No Sub Type Information Sets due to an incomplete or incorrect DDM PMI .
DDM U2200:00 Control Module Configuration Memory Corrupt: No Sub Type Information Sets due to an incomplete or incorrect DDM PMI .
PDM U2100:00 Initial Configuration Not Complete: No Sub Type Information Sets due to an incomplete or incorrect PDM PMI .
PDM U2200:00 Control Module Configuration Memory Corrupt: No Sub Type Information Sets due to an incomplete or incorrect PDM PMI .

Possible Sources

  • Incomplete or incorrect PMI
  • DDM
  • PDM
Diagnostic steps are not provided for this symptom or DTC.  REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST AO: INTERNAL MODULE FAILURE

Normal Operation and Fault Conditions

CLEAR the Diagnostic Trouble Codes (DTCs) and REPEAT the self-test. If the DTC is retrieved again, INSTALL a new module in question setting the DTC .

  • For the DDM , REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation).
  • For the PDM , REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
DDM U3000:49 Control Module: Internal Electronic Failure Sets when the DDM detects an internal fault.
PDM U3000:49 Control Module: Internal Electronic Failure Sets when the PDM detects an internal fault.

Possible Sources

  • DDM
  • PDM
Diagnostic steps are not provided for this symptom or DTC.  REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST AP: P04B5, P04BA

Refer to Wiring Diagrams Cell 116 for schematic and connector information.

Normal Operation and Fault Conditions

The PCM monitors the fuel filler door ajar switch and sets a DTC if it detects a failure of the fuel filler door ajar input based on conditions after a refueling event.

If the fuel filler door is not fully closed after a refueling event, or the fuel filler door is open from erroneously pressing the fuel door release button, a message displays during the third drive cycle to indicate the fuel filler door is not closed and a DTC sets.

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
PCM P04B5:00 Fuel Fill Door Stuck Open: No Sub Type Information Sets when the PCM detects the fuel filler door is open, the vehicle has been running for at least 5 minutes and the vehicle speed is greater than 11 km/h (7 mph) (for example, the fuel filler door was not closed after a refueling event).
PCM P04BA:00 Fuel Fill Door Position Sensor/Switch Circuit High: No Sub Type Information Sets when the PCM detects the fuel filler door did not open when the PCM activated the fuel filler door release relay. An open circuit to the fuel filler door ajar switch can cause this DTC to set.

Possible Sources

  • Wiring, terminals or connectors
  • Fuel filler door ajar switch (part of the fuel filler door assembly)
  • PCM

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

AP1 CHECK FOR MECHANICAL DAMAGE
  • Ignition OFF.
  • Inspect fuel filler door latch for damage near the ajar switch.

Is any damage present?
Yes REPAIR or INSTALL a new fuel filler door assembly as necessary.
REFER to: Fuel Filler Door Assembly (501-03 Body Closures, Removal and Installation).
No GO to AP2

AP2 CHECK THE PCM (POWERTRAIN CONTROL MODULE) FOR REQUEST TO OPEN OR UNLOCK THE FUEL FILL DOOR (FUELDR_REQ) PID (PARAMETER IDENTIFICATION)
  • Ignition ON.
  • Access the  PCM  and monitor the  FUELDR_REQ  PID

  • Monitor the PCM FUELDR_REQ PID while pressing and releasing the fuel filler door release button.

Does the PID momentarily indicate Yes?
Yes GO to AP3
No GO to Pinpoint Test AQ

AP3 CHECK THE FUEL FILLER DOOR RELEASE USING THE PCM (POWERTRAIN CONTROL MODULE) FUEL FILL DOOR UNLOCK CONTROL OUTPUT IS COMMANDED TO ENABLE STATE (FUELDR_UNLOCK) PID (PARAMETER IDENTIFICATION)
  • Verify the fuel filler door is fully closed.
  • Access the  PCM  and control the  FUELDR_UNLOCK  PID

  • Command the PCM FUELDR_UNLOCK PID On.

Does the fuel filler door latch release?
Yes GO to AP4
No GO to Pinpoint Test AQ

AP4 CHECK THE PCM (POWERTRAIN CONTROL MODULE) THE FUEL FILL DOOR POSITION SENSOR/SWITCH CIRCUIT INPUT (FUELDR_POS_SW) PID (PARAMETER IDENTIFICATION)
  • Close the fuel filler door.
  • Access the  PCM  and monitor the  FUELDR_POS_SW  PID

  • Monitor the PCM FUELDR_POS_SW PID .
  • Access the  PCM  and control the  FUELDR_UNLOCK  PID

  • Command the PCM FUELDR_UNLOCK PID On.
  • Verify the fuel filler door latch released.

Does the PID indicate Closed with the fuel filler door closed and Open after the fuel filler door latch is released?
Yes The system is operating correctly. REFER to Normal Operation and Fault Conditions at the beginning of this Pinpoint Test.
No GO to AP5

AP5 CHECK THE FUEL FILLER DOOR AJAR CIRCUITS FOR A SHORT TO VOLTAGE

NOTE: The fuel filler door electrical connectors can be accessed through an opening in the left side sheet metal inside luggage compartment area.

  • Ignition OFF.
  • Disconnect Fuel Filler Door Latch Motor C409 .
  • Disconnect PCM C1381B .
  • Ignition ON.
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C409-2   Ground
      C409-3   Ground

Is any voltage present?
Yes REPAIR the circuit in question.
No GO to AP6

AP6 CHECK THE FUEL FILLER DOOR AJAR CIRCUITS FOR A SHORT TO GROUND
  • Ignition OFF.
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C409-2   Ground
      C409-3   Ground

Are the resistances greater than 10,000 ohms?
Yes GO to AP7
No REPAIR the circuit in question.

AP7 CHECK THE FUEL FILLER DOOR AJAR CIRCUITS FOR AN OPEN
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C409-2   C1381B-18
      C409-3   C1381B-37

Are the resistances less than 3 ohms?
Yes INSTALL a new fuel filler door assembly.
REFER to: Fuel Filler Door Assembly (501-03 Body Closures, Removal and Installation).
CLEAR the Diagnostic Trouble Codes (DTCs) and repeat the self-test. If the concern is still present, GO to AP8
No REPAIR the circuit in question.

AP8 CHECK FOR CORRECT PCM (POWERTRAIN CONTROL MODULE) OPERATION
  • Disconnect and inspect all the PCM connectors.
  • Repair:
    • corrosion (install new connectors or terminals - clean module pins)
    • damaged or bent pins - install new terminals pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the PCM connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern,
   VIN required to access Guided Routine (PCM)
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST AQ: THE FUEL FILLER DOOR RELEASE IS INOPERATIVE (HYBRID VEHICLES)

Refer to Wiring Diagrams Cell 116 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
PCM P04C2:00 Fuel Fill Door Unlock Control Circuit High: No Sub Type Information Sets when the PCM detects a short to voltage or an open from the fuel filler door release control circuit.
PCM P04C9:00 Fuel Fill Door Open Request Sensor/Switch Performance/Stuck Off: No Sub Type Information Sets when the PCM receives no request to open the fuel filler door and the vehicle experienced a refueling event.
PCM P04CA:00 Fuel Fill Door Open Request Sensor/Switch Circuit Low: No Sub Type Information Sets when the PCM detects a request to open the fuel filler door during the self-test.
PCM P04CB:00 Fuel Fill Door Open Request Sensor/Switch Circuit High: No Sub Type Information Sets when the PCM detects an open from the fuel filler door input.
PCM P04CD:00 Fuel Fill Door Open Request Sensor/Switch Stuck On: No Sub Type Information Sets when the PCM detects a constant request from the fuel filler door release switch (short to ground from the fuel filler door release switch input circuit).

Possible Sources

  • Wiring, terminals or connectors
  • Fuel door release switch (part of the headlamp switch)
  • Fuel filler door latch (part of the fuel filler door assembly)
  • Fuel filler door assembly
  • PCM

Visual Inspection and Pre-checks

  • Inspect the fuel filler door latch for damage.

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

AQ1 CHECK FOR A MECHANICAL FAILURE
  • Ignition OFF.
  • Use the manual fuel filler door release cable to release the fuel filler door latch.

Does the fuel filler door latch release?
Yes CLOSE the fuel filler door. GO to AQ2
No INSTALL a new fuel filler door housing.
REFER to: Fuel Filler Door Assembly (501-03 Body Closures, Removal and Installation).

AQ2 CHECK THE PCM (POWERTRAIN CONTROL MODULE) FOR REQUEST TO OPEN OR UNLOCK THE FUEL FILL DOOR (FUELDR_REQ) PID (PARAMETER IDENTIFICATION)
  • Ignition ON.
  • Access the  PCM  and monitor the  FUELDR_REQ  PID

  • Monitor the PCM FUELDR_REQ PID while pressing and releasing the fuel filler door release switch.

Does the PID correspond with the fuel filler door release switch press?
Yes GO to AQ8
No GO to AQ3

AQ3 BYPASS THE FUEL FILLER DOOR RELEASE SWITCH
  • Ignition OFF.
  • Disconnect Headlamp Switch C202 .
  • Ignition ON.
  • Connect:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C202-2   C202-4
  • NOTE: It may take up to 30 seconds for the fuel filler door to release after the jumper wire is removed. Remove the fused jumper wire.

Does the fuel filler door latch release?
Yes INSTALL a new headlamp switch.
REFER to: Headlamp Switch (417-01 Exterior Lighting, Removal and Installation).
No GO to AQ4

AQ4 CHECK THE FUEL FILLER RELEASE SWITCH GROUND CIRCUIT FOR AN OPEN
  • Connect:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C202-2   Ground
  • NOTE: It may take up to 30 seconds for the fuel filler door to release after the jumper wire is removed. Remove the fused jumper wire.

Does the fuel filler door latch release?
Yes REPAIR the circuit.
No GO to AQ5

AQ5 CHECK THE FUEL FILLER RELEASE SWITCH INPUT CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Disconnect PCM C1381B .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C202-2   Ground

Is the resistance greater than 10,000 ohms?
Yes GO to AQ6
No REPAIR the circuit.

AQ6 CHECK THE FUEL FILLER RELEASE SWITCH RETURN CIRCUIT FOR A SHORT TO VOLTAGE
  • Ignition ON.
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C202-4   Ground

Is any voltage present?
Yes REPAIR the circuit.
No GO to AQ7

AQ7 CHECK THE FUEL FILLER RELEASE SWITCH INPUT AND RETURN CIRCUITS FOR AN OPEN
  • Ignition OFF.
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C202-2   C1381B-10
      C202-4   C1381B-6

Are the resistances less than 3 ohms?
Yes GO to AQ13
No REPAIR the circuit in question.

AQ8 CHECK THE FUEL FILLER DOOR RELEASE USING THE PCM (POWERTRAIN CONTROL MODULE) FUEL FILL DOOR UNLOCK CONTROL OUTPUT IS COMMANDED TO ENABLE STATE (FUELDR_UNLOCK) PID (PARAMETER IDENTIFICATION)
  • Access the  PCM  and control the  FUELDR_UNLOCK  PID

  • Command the PCM FUELDR_UNLOCK PID On.

Does the fuel filler door latch release?
Yes GO to AQ12
No GO to AQ9

AQ9 CHECK THE FUEL FILLER DOOR LATCH MOTOR VOLTAGE SUPPLY CIRCUIT FOR AN OPEN

NOTICE: The following step uses a test lamp to simulate normal circuit loads. Use only a Rotunda Test Lamp (SGT27000) or 250-300mA incandescent bulb test lamp. To avoid connector terminal damage, use the Rotunda Flex Probe kit for the test lamp probe connection to the vehicle. Do not use the test lamp probe directly on any connector.

  • Ignition OFF.
  • Disconnect Fuel Filler Door Latch Motor C409 .
  • Ignition ON.
  • Connect:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C409-1   Ground

Does the test lamp illuminate?
Yes DISCONNECT the test lamp. GO to AQ10
No REPAIR the circuit.

AQ10 CHECK THE FUEL FILLER DOOR RELEASE OUTPUT USING THE PCM (POWERTRAIN CONTROL MODULE) FUEL FILL DOOR UNLOCK CONTROL OUTPUT IS COMMANDED TO ENABLE STATE (FUELDR_UNLOCK) PID (PARAMETER IDENTIFICATION)

NOTICE: The following step uses a test lamp to simulate normal circuit loads. Use only a Rotunda Test Lamp (SGT27000) or 250-300mA incandescent bulb test lamp. To avoid connector terminal damage, use the Rotunda Flex Probe kit for the test lamp probe connection to the vehicle. Do not use the test lamp probe directly on any connector.

  • Connect:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C409-1   C409-4
  • Access the  PCM  and control the  FUELDR_UNLOCK  PID

  • NOTE: It is important to monitor the test lamp while commanding the fuel filler door latch to release. Command the PCM FUELDR_UNLOCK PID On.

Does the test lamp momentarily illuminate?
Yes INSTALL a new fuel filler door assembly.
REFER to: Fuel Filler Door Assembly (501-03 Body Closures, Removal and Installation).
No GO to AQ11

AQ11 CHECK THE FUEL FILLER DOOR LATCH MOTOR GROUND CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Disconnect PCM C1381B .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C409-4   C1381B-1

Is the resistance less than 3 ohms?
Yes GO to AQ13
No REPAIR the circuit.

AQ12 CHECK THE PCM (POWERTRAIN CONTROL MODULE) THE FUEL FILL DOOR POSITION SENSOR/SWITCH CIRCUIT INPUT (FUELDR_POS_SW) PID (PARAMETER IDENTIFICATION)
  • Close the fuel filler door.
  • Access the  PCM  and monitor the  FUELDR_POS_SW  PID

  • Monitor the PCM FUELDR_POS_SW PID .
  • Press the fuel filler door latch release button on the headlamp switch.

Does the PID indicate Closed with the fuel filler door closed and Open after the fuel filler door latch is released?
Yes The system is operating correctly. Inform the vehicle owner of the normal operation of the fuel filler door latch release operation.
No GO to Pinpoint Test AP

AQ13 CHECK FOR CORRECT PCM (POWERTRAIN CONTROL MODULE) OPERATION
  • Disconnect and inspect all the PCM connectors.
  • Repair:
    • corrosion (install new connectors or terminals - clean module pins)
    • damaged or bent pins - install new terminals pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the PCM connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern,
   VIN required to access Guided Routine (PCM)
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST AR: THE FUEL FILLER DOOR DOES NOT LATCH (HYBRID VEHICLES)

Refer to Wiring Diagrams Cell 116 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
PCM P04C1:00 Fuel Fill Door Unlock Control Circuit Low: No Sub Type Information Sets when the PCM detects a short to ground from the fuel filler door release control circuit.

Possible Sources

  • Wiring, terminals or connectors
  • Fuel filler door latch (part of the fuel filler door assembly)
  • Fuel filler door assembly
  • PCM

Visual Inspection and Pre-checks

  • Inspect the fuel filler door latch for damage.

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

AR1 CHECK FOR A MECHANICAL FAILURE
  • Ignition OFF.
  • Inspect the fuel filler door manual release cable and the fuel filler door latch.

Is the manual fuel filler door release cable binding or is there any damage noted with the fuel filler door latch?
Yes INSTALL a new fuel filler door assembly.
REFER to: Fuel Filler Door Assembly (501-03 Body Closures, Removal and Installation).
No GO to AR2

AR2 CHECK THE FUEL FILLER DOOR RELEASE CONTROL
  • Disconnect PCM C1381B .
  • Close the fuel filler door.

Does the fuel filler door latch?
Yes GO to AR4
No INSTALL a new fuel filler door assembly.
REFER to: Fuel Filler Door Assembly (501-03 Body Closures, Removal and Installation).

AR3 CHECK THE FUEL FILLER RELEASE SWITCH INPUT CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Disconnect PCM C1381B .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C202-2   Ground

Is the resistance greater than 10,000 ohms?
Yes REPAIR the circuit.
No GO to AR4

AR4 CHECK THE PCM (POWERTRAIN CONTROL MODULE) FUEL FILLER DOOR RELEASE CONTROL CIRCUIT FOR A SHORT TO GROUND
  • Disconnect Fuel Filler Door Latch C409 .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C409-4   Ground

Is the resistance greater than 10,000 ohms?
Yes GO to AR5
No REPAIR the circuit.

AR5 CHECK FOR CORRECT PCM (POWERTRAIN CONTROL MODULE) OPERATION
  • Disconnect and inspect all the PCM connectors.
  • Repair:
    • corrosion (install new connectors or terminals - clean module pins)
    • damaged or bent pins - install new terminals pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the PCM connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern,
   VIN required to access Guided Routine (PCM)
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.


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