Lincoln Corsair: Electronic Engine Controls - 2.0L EcoBoost (177kW/240PS) – MI4 / Diagnosis and Testing - Electronic Engine Controls

Lincoln Corsair 2020-2024 Service Manual / Powertrain / Engine / Electronic Engine Controls - 2.0L EcoBoost (177kW/240PS) – MI4 / Diagnosis and Testing - Electronic Engine Controls

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
PCM	P0602:00	Powertrain Control Module Programming Error: No Sub Type Information	GO to Pinpoint Test QA
PCM	P0604:00	Internal Control Module Random Access Memory (RAM) Error: No Sub Type Information	GO to Pinpoint Test QA
PCM	P0605:00	Internal Control Module Read Only Memory (ROM) Error: No Sub Type Information	GO to Pinpoint Test QA
PCM	P0606:00	Control Module Processor: No Sub Type Information	GO to Pinpoint Test QA
PCM	P0607:00	Control Module Performance: No Sub Type Information	GO to Pinpoint Test QA
PCM	P0610:00	Control Module Vehicle Options Error: No Sub Type Information	GO to Pinpoint Test QA
PCM	P061E:00	Internal Control Module Brake Signal Performance: No Sub Type Information	GO to Pinpoint Test QA
PCM	P062F:00	Internal Control Module EEPROM Error: No Sub Type Information	GO to Pinpoint Test QA
PCM	P0630:00	VIN Not Programmed or Incompatible - ECM/PCM: No Sub Type Information	GO to Pinpoint Test QA
PCM	P064F:00	Unauthorized Software/Calibration Detected: No Sub Type Information	GO to Pinpoint Test QA
PCM	P06DA:00	Engine Oil Pressure Control Circuit/Open: No Sub Type Information	GO to Pinpoint Test O
PCM	P06DB:00	Engine Oil Pressure Control Circuit Low: No Sub Type Information	GO to Pinpoint Test O
PCM	P06DC:00	Engine Oil Pressure Control Circuit High: No Sub Type Information	GO to Pinpoint Test O
PCM	P06E9:00	Engine Starter Performance: No Sub Type Information	GO to Pinpoint Test P
PCM	P1001:00	KOER Not Able to Complete, KOER Aborted: No Sub Type Information	GO to Pinpoint Test Q
PCM	P160A:00	Control Module Vehicle Options Reconfiguration Error: No Sub Type Information	GO to Pinpoint Test QA
PCM	P161C:00	Automatic Engine Shutdown Mismatch with Vehicle Configuration: No Sub Type Information	GO to Pinpoint Test QA
PCM	P1635:00	Tire/Axle Out of Acceptable Range: No Sub Type Information	GO to Pinpoint Test QA
PCM	P1639:00	Vehicle ID Block Corrupted, Not Programmed: No Sub Type Information	GO to Pinpoint Test QA
PCM	P166A:00	Restraints Deployment Communication Circuit: No Sub Type Information	GO to Pinpoint Test R
PCM	P1935:00	Brake Switch/Sensor Signal: No Sub Type Information	GO to Pinpoint Test QA
PCM	P264F:00	Engine Serial Number Not Programmed or Incompatible: No Sub Type Information	GO to Pinpoint Test QA
PCM	U0103:00	Lost Communication With Gear Shift Control Module A: No Sub Type Information	GO to Pinpoint Test A
PCM	U0104:00	Lost Communication With Cruise Control Module: No Sub Type Information	GO to Pinpoint Test B
PCM	U0121:00	Lost Communication With Anti-Lock Brake System (ABS) Control Module 'A': No Sub Type Information	GO to Pinpoint Test C
PCM	U0126:00	Lost Communication With Steering Angle Sensor Module: No Sub Type Information	GO to Pinpoint Test D
PCM	U0131:00	Lost Communication With Power Steering Control Module 'A': No Sub Type Information	GO to Pinpoint Test E
PCM	U0151:00	Lost Communication With Restraints Control Module: No Sub Type Information	GO to Pinpoint Test F
PCM	U0164:00	Lost Communication With HVAC Control Module: No Sub Type Information	GO to Pinpoint Test G
PCM	U0199:00	Lost Communication With 'Door Control Module A': No Sub Type Information	GO to Pinpoint Test H
PCM	U0200:00	Lost Communication With 'Door Control Module B': No Sub Type Information	GO to Pinpoint Test I
PCM	U0212:00	Lost Communication With Steering Column Control Module: No Sub Type Information	GO to Pinpoint Test D
PCM	U0230:00	Lost Communication With Rear Gate Module: No Sub Type Information	GO to Pinpoint Test J
PCM	U023A:00	Lost Communication With Image Processing Module A: No Sub Type Information	GO to Pinpoint Test K
PCM	U0253:00	Lost Communication With Accessory Protocol Interface Module: No Sub Type Information	GO to Pinpoint Test L
PCM	U0298:00	Lost Communication With DC/DC Converter Control Module 'A': No Sub Type Information	GO to Pinpoint Test M
PCM	U0404:00	Invalid Data Received from Gear Shift Control Module A: No Sub Type Information	GO to Pinpoint Test N
PCM	U0405:00	Invalid Data Received From Cruise Control Module: No Sub Type Information	GO to Pinpoint Test N
PCM	U0554:00	Invalid Data Received From Accessory Protocol Interface Module: No Sub Type Information	GO to Pinpoint Test N
PCM	U2100:00	Initial Configuration Not Complete: No Sub Type Information	GO to Pinpoint Test QA
PCM	U2101:00	Control Module Configuration Incompatible: No Sub Type Information	GO to Pinpoint Test QA
PCM	U2200:00	Control Module Configuration Memory Corrupt: No Sub Type Information	GO to Pinpoint Test QA

Pinpoint Tests

PINPOINT TEST A: U0103

Normal Operation and Fault Conditions

REFER to: Communications Network - System Operation and Component Description (418-00 Module Communications Network, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM U0103:00	Lost Communication With Gear Shift Control Module A: No Sub Type Information	The PCM sets this DTC if data messages from the GSM module through the GWM are missing.

Possible Sources

Communications network concern
GSM
GWM
PCM

A1 VERIFY THE CUSTOMER CONCERN

Ignition ON.

Verify there is an observable symptom present.

Is an observable symptom present?

Yes

GO to A2

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.

A2 CHECK THE COMMUNICATION NETWORK

Using a diagnostic scan tool, perform a network test.

Did the GSM module pass the network test?

Yes

GO to A3

No	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

A3 PERFORM GSM (GEAR SHIFT MODULE) CONTROL MODULE SELF-TEST

Using a diagnostic scan tool, perform a GSM control module self-test.

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: External Controls (307-05A Automatic Transmission External Controls - 8-Speed Automatic Transmission – 8F35/8F40, Diagnosis and Testing).

GO to A4

A4 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, retrieve the GWM Diagnostic Trouble Codes (DTCs).

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

GO to A5

A5 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) SELF-TEST

Using a diagnostic scan tool, perform the PCM self-test.

Are any non-network Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to PCM DTC Chart in this section.

GO to A6

A6 RECHECK THE PCM (POWERTRAIN CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

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

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).

Wait 10 seconds.

Repeat the PCM self-test.

Is DTC U0103 still present?

Yes

GO to A7

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.

A7 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK 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 GSM , GWM or PCM . If recent service history is found:
- verify correct replacement module was installed
  - HVBOM 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 customer vehicle
  - 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 A8

No	The system is operating correctly at this time. The concern may have been due to incorrect parts replacement procedures or incorrect module configuration.

A8 CHECK FOR CORRECT GSM (GEAR SHIFT MODULE) MODULE OPERATION

Ignition OFF.

Disconnect and inspect the GSM connector(s).

Repair:
- corrosion (install new connector or terminals – clean module pins)
- damaged or bent pins – install new terminals/pins
- pushed-out pins – install new pins as necessary

Reconnect the GSM connector(s). 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 GSM .
REFER to: Gear Shift Module (GSM) (307-05A Automatic Transmission External Controls - 8-Speed Automatic Transmission – 8F35/8F40, 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 B: U0104

Normal Operation and Fault Conditions

REFER to: Communications Network - System Operation and Component Description (418-00 Module Communications Network, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM U0104:00	Lost Communication With Cruise Control Module: No Sub Type Information	The PCM sets this DTC if data messages from the CCM module through the GWM are missing.

Possible Sources

Communications network concern
CCM
GWM
PCM

B1 VERIFY THE CUSTOMER CONCERN

Ignition ON.

Verify there is an observable symptom present.

Is an observable symptom present?

Yes

GO to B2

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.

B2 CHECK THE COMMUNICATION NETWORK

Using a diagnostic scan tool, perform a network test.

Did the CCM module pass the network test?

Yes

GO to B3

No	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

B3 PERFORM CCM (CRUISE CONTROL MODULE) CONTROL MODULE SELF-TEST

Using a diagnostic scan tool, perform a CCM control module self-test.

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Cruise Control - Vehicles With: Adaptive Cruise Control With Lane Centering (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control With Lane Centering, Diagnosis and Testing).

GO to B4

B4 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, retrieve the GWM Diagnostic Trouble Codes (DTCs).

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

GO to B5

B5 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) SELF-TEST

Using a diagnostic scan tool, perform the PCM self-test.

Are any non-network Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to PCM DTC Chart in this section.

GO to B6

B6 RECHECK THE PCM (POWERTRAIN CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

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

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).

Wait 10 seconds.

Repeat the PCM self-test.

Is DTC U0104 still present?

Yes

GO to B7

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.

B7 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK 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 CCM , GWM or PCM . If recent service history is found:
- verify correct replacement module was installed
  - HVBOM 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 customer vehicle
  - 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 B8

No	The system is operating correctly at this time. The concern may have been due to incorrect parts replacement procedures or incorrect module configuration.

B8 CHECK FOR CORRECT CCM (CRUISE CONTROL MODULE) MODULE OPERATION

Ignition OFF.

Disconnect and inspect the CCM connector(s).

Repair:
- corrosion (install new connector or terminals – clean module pins)
- damaged or bent pins – install new terminals/pins
- pushed-out pins – install new pins as necessary

Reconnect the CCM connector(s). 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 CCM .
REFER to: Cruise Control Module (CCM) (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control With Lane Centering, 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 C: U0121

Normal Operation and Fault Conditions

REFER to: Communications Network - System Operation and Component Description (418-00 Module Communications Network, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM U0121:00	Lost Communication With Anti-Lock Brake System (ABS) Control Module 'A': No Sub Type Information	The PCM sets this DTC if data messages from the ABS module through the GWM are missing.

Possible Sources

Communications network concern
ABS module
GWM
PCM

C1 VERIFY THE CUSTOMER CONCERN

Ignition ON.

Verify there is an observable symptom present.

Is an observable symptom present?

Yes

GO to C2

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.

C2 CHECK THE COMMUNICATION NETWORK

Using a diagnostic scan tool, perform a network test.

Did the ABS module pass the network test?

Yes

GO to C3

No	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

C3 PERFORM ABS (ANTI-LOCK BRAKE SYSTEM) CONTROL MODULE SELF-TEST

Using a diagnostic scan tool, perform a ABS control module self-test.

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Anti-Lock Brake System (ABS) and Stability Control (206-09 Anti-Lock Brake System (ABS) and Stability Control, Diagnosis and Testing).

GO to C4

C4 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, retrieve the GWM Diagnostic Trouble Codes (DTCs).

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

GO to C5

C5 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) SELF-TEST

Using a diagnostic scan tool, perform the PCM self-test.

Are any non-network Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to PCM DTC Chart in this section.

GO to C6

C6 RECHECK THE PCM (POWERTRAIN CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

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

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).

Wait 10 seconds.

Repeat the PCM self-test.

Is DTC U0121 still present?

Yes

GO to C7

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.

C7 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK 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 ABS , GWM or PCM . If recent service history is found:
- verify correct replacement module was installed
  - HVBOM 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 customer vehicle
  - 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 C8

No	The system is operating correctly at this time. The concern may have been due to incorrect parts replacement procedures or incorrect module configuration.

C8 CHECK FOR CORRECT ABS (ANTI-LOCK BRAKE SYSTEM) MODULE OPERATION

Ignition OFF.

Disconnect and inspect the ABS control module connector.

Repair:
- corrosion (install new connector or terminals – clean module pins)
- damaged or bent pins – install new terminals/pins
- pushed-out pins – install new pins as necessary

Reconnect the ABS control module connector. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

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 D: U0126, U0212

Normal Operation and Fault Conditions

REFER to: Communications Network - System Operation and Component Description (418-00 Module Communications Network, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM U0126:00	Lost Communication With Steering Angle Sensor Module: No Sub Type Information	he PCM sets this DTC if data messages from the SCCM through the GWM are missing.
PCM U0212:00	Lost Communication With Steering Column Control Module: No Sub Type Information	The PCM sets this DTC if data messages from the SCCM through the GWM are missing.

Possible Sources

Communications network concern
SCCM
GWM
PCM

D1 VERIFY THE CUSTOMER CONCERN

Ignition ON.

Verify there is an observable symptom present.

Is an observable symptom present?

Yes

GO to D2

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.

D2 CHECK THE COMMUNICATION NETWORK

Using a diagnostic scan tool, perform a network test.

Did the SCCM module pass the network test?

Yes

GO to D3

No	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

D3 PERFORM SCCM (STEERING COLUMN CONTROL MODULE) SELF-TEST

Using a diagnostic scan tool, perform a SCCM self-test.

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Steering Wheel and Column Electrical Components (211-05 Steering Wheel and Column Electrical Components, Diagnosis and Testing).

GO to D4

D4 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, retrieve the GWM Diagnostic Trouble Codes (DTCs).

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

GO to D5

D5 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) SELF-TEST

Using a diagnostic scan tool, perform the PCM self-test.

Are any non-network Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to PCM DTC Chart in this section.

GO to D6

D6 RECHECK THE PCM (POWERTRAIN CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

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

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).

Wait 10 seconds.

Repeat the PCM self-test.

Is DTC U0126 or U0212 still present?

Yes

GO to D7

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.

D7 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK 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 SCCM , GWM or PCM . If recent service history is found:
- verify correct replacement module was installed
  - HVBOM 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 customer vehicle
  - 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 D8

No	The system is operating correctly at this time. The concern may have been due to incorrect parts replacement procedures or incorrect module configuration.

D8 CHECK FOR CORRECT SCCM (STEERING COLUMN CONTROL MODULE) OPERATION

Ignition OFF.

Disconnect and inspect the SCCM connector(s).

Repair:
- corrosion (install new connector or terminals – clean module pins)
- damaged or bent pins – install new terminals/pins
- pushed-out pins – install new pins as necessary

Reconnect the SCCM connector(s). 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 SCCM .
REFER to: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, 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 E: U0131

Normal Operation and Fault Conditions

REFER to: Communications Network - System Operation and Component Description (418-00 Module Communications Network, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM U0131:00	Lost Communication With Power Steering Control Module 'A': No Sub Type Information	A continuous memory DTC that sets in the PCM if messages from the PSCM through the GWM are missing.

Possible Sources

Communication network concern
Battery voltage concern
GWM
PSCM
PCM

E1 VERIFY THE CUSTOMER CONCERN

Ignition ON.

Verify there is an observable symptom present.

Is an observable symptom present?

Yes

GO to E2

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. CLEAR the DTC .

E2 CHECK THE COMMUNICATION NETWORK

Using a diagnostic scan tool, perform a network test.

Does the PSCM pass the network test?

Yes

GO to E3

No	DIAGNOSE no communication with the PSCM . REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

E3 PERFORM THE PSCM (POWER STEERING CONTROL MODULE) SELF-TEST

Using a diagnostic scan tool, perform aPSCM self-test.

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Power Steering (211-02 Power Steering, Diagnosis and Testing).

GO to E4

E4 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, retrieve the GWM Diagnostic Trouble Codes (DTCs).

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

GO to E5

E5 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) SELF-TEST

Using a diagnostic scan tool, perform the PCM self-test.

Are any non-network Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to PCM DTC Chart in this section.

GO to E6

E6 RECHECK THE PCM (POWERTRAIN CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

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

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).

Wait 10 seconds.

Repeat the PCM self-test.

Is DTC U0131 still present?

Yes

GO to E7

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.

E7 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK 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 PSCM control module, GWM or PCM . If recent service history is found:
- verify correct replacement module was installed
  - HVBOM 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 customer vehicle
  - 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 E8

No	The system is operating correctly at this time. The concern may have been due to incorrect parts replacement procedures or incorrect module configuration.

E8 CHECK FOR CORRECT PSCM (POWER STEERING CONTROL MODULE) OPERATION

Ignition OFF.

Disconnect and inspect the PSCM control module connector(s).

Repair:
- corrosion (install new connector or terminals – clean module pins)
- damaged or bent pins – install new terminals/pins
- pushed-out pins – install new pins as necessary

Reconnect the PSCM control 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

VIN required to access Guided Routine (EPAS)

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 F: U0151

Normal Operation and Fault Conditions

REFER to: Communications Network - System Operation and Component Description (418-00 Module Communications Network, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM U0151:00	Lost Communication With Restraints Control Module: No Sub Type Information	The PCM sets this DTC if data messages from the RCM through the GWM are missing.

Possible Sources

Communications network concern
RCM
GWM
PCM

F1 VERIFY THE CUSTOMER CONCERN

Ignition ON.

Verify there is an observable symptom present.

Is an observable symptom present?

Yes

GO to F2

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.

F2 CHECK THE COMMUNICATION NETWORK

Using a diagnostic scan tool, perform a network test.

Did the RCM pass the network test?

Yes

GO to F3

No	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

F3 PERFORM RCM (RESTRAINTS CONTROL MODULE) SELF-TEST

Using a diagnostic scan tool, perform a RCM self-test.

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Airbag Supplemental Restraint System (SRS) (501-20B Supplemental Restraint System, Diagnosis and Testing).

GO to F4

F4 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, retrieve the GWM Diagnostic Trouble Codes (DTCs).

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

GO to F5

F5 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) SELF-TEST

Using a diagnostic scan tool, perform the PCM self-test.

Are any non-network Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to PCM DTC Chart in this section.

GO to F6

F6 RECHECK THE PCM (POWERTRAIN CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

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

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).

Wait 10 seconds.

Repeat the PCM self-test.

Is DTC U0151 still present?

Yes

GO to F7

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.

F7 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK 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 RCM , GWM or PCM . If recent service history is found:
- verify correct replacement module was installed
  - HVBOM 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 customer vehicle
  - 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 F8

No	The system is operating correctly at this time. The concern may have been due to incorrect parts replacement procedures or incorrect module configuration.

F8 CHECK FOR CORRECT RCM (RESTRAINTS CONTROL MODULE) OPERATION

Ignition OFF.

Disconnect and inspect the RCM module connector(s).

Repair:
- corrosion (install new connector or terminals – clean module pins)
- damaged or bent pins – install new terminals/pins
- pushed-out pins – install new pins as necessary

Reconnect the RCM 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 RCM .
REFER to: Restraints Control Module (RCM) (501-20B Supplemental Restraint System, 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 G: U0164

Normal Operation and Fault Conditions

REFER to: Communications Network - System Operation and Component Description (418-00 Module Communications Network, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM U0164:00	Lost Communication With HVAC Control Module: No Sub Type Information	The PCM sets this DTC if data messages from the HVAC control module through the GWM are missing.

Possible Sources

Communications network concern
HVAC control module
GWM
PCM

G1 VERIFY THE CUSTOMER CONCERN

Ignition ON.

Verify there is an observable symptom present.

Is an observable symptom present?

Yes

GO to G2

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.

G2 CHECK THE COMMUNICATION NETWORK

Using a diagnostic scan tool, perform a network test.

Did the HVAC control module pass the network test?

Yes

GO to G3

No	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

G3 PERFORM HVAC (HEATING, VENTILATION AND AIR CONDITIONING) CONTROL MODULE SELF-TEST

Using a diagnostic scan tool, perform a HVAC control module self-test.

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Climate Control System (412-00 Climate Control System - General Information, Diagnosis and Testing).

GO to G4

G4 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, retrieve the GWM Diagnostic Trouble Codes (DTCs).

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

GO to G5

G5 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) SELF-TEST

Using a diagnostic scan tool, perform the PCM self-test.

Are any non-network Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to PCM DTC Chart in this section.

GO to G6

G6 RECHECK THE PCM (POWERTRAIN CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

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

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).

Wait 10 seconds.

Repeat the PCM self-test.

Is DTC U0164 still present?

Yes

GO to G7

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.

G7 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK 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 control module, GWM or PCM . If recent service history is found:
- verify correct replacement module was installed
  - HVBOM 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 customer vehicle
  - 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 G8

No	The system is operating correctly at this time. The concern may have been due to incorrect parts replacement procedures or incorrect module configuration.

G8 CHECK FOR CORRECT RCM (RESTRAINTS CONTROL MODULE) OPERATION

Ignition OFF.

Disconnect and inspect the HVAC control module connector(s).

Repair:
- corrosion (install new connector or terminals – clean module pins)
- damaged or bent pins – install new terminals/pins
- pushed-out pins – install new pins as necessary

Reconnect the HVAC control 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 control 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 H: U0199

Normal Operation and Fault Conditions

REFER to: Communications Network - System Operation and Component Description (418-00 Module Communications Network, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM U0199:00	Lost Communication With 'Door Control Module A': No Sub Type Information	he PCM sets this DTC if data messages from the DDM through the GWM are missing.

Possible Sources

Communications network concern
DDM control module
GWM
PCM

H1 VERIFY THE CUSTOMER CONCERN

Ignition ON.

Verify there is an observable symptom present.

Is an observable symptom present?

Yes

GO to H2

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.

H2 CHECK THE COMMUNICATION NETWORK

Using a diagnostic scan tool, perform a network test.

Did the DDM pass the network test?

Yes

GO to H3

No	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

H3 PERFORM DDM (DRIVER DOOR MODULE) SELF-TEST

Using a diagnostic scan tool, perform a DDM self-test.

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Locks, Latches and Entry Systems (501-14 Handles, Locks, Latches and Entry Systems, Diagnosis and Testing).

GO to H4

H4 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, retrieve the GWM Diagnostic Trouble Codes (DTCs).

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

GO to H5

H5 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) SELF-TEST

Using a diagnostic scan tool, perform the PCM self-test.

Are any non-network Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to PCM DTC Chart in this section.

GO to H6

H6 RECHECK THE PCM (POWERTRAIN CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

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

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).

Wait 10 seconds.

Repeat the PCM self-test.

Is DTC U0199 still present?

Yes

GO to H7

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.

H7 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK 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 DDM , GWM or PCM . If recent service history is found:
- verify correct replacement module was installed
  - HVBOM 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 customer vehicle
  - 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 H8

No	The system is operating correctly at this time. The concern may have been due to incorrect parts replacement procedures or incorrect module configuration.

H8 CHECK FOR CORRECT PDM (PASSENGER DOOR MODULE) OPERATION

Ignition OFF.

Disconnect and inspect the DDM connector(s).

Repair:
- corrosion (install new connector or terminals – clean module pins)
- damaged or bent pins – install new terminals/pins
- pushed-out pins – install new pins as necessary

Reconnect the DDM connector(s). 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 I: U0200

Normal Operation and Fault Conditions

REFER to: Communications Network - System Operation and Component Description (418-00 Module Communications Network, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM U0200:00	Lost Communication With 'Door Control Module B': No Sub Type Information	The PCM sets this DTC if data messages from the PDM through the GWM are missing.

Possible Sources

Communications network concern
PDM control module
GWM
PCM

I1 VERIFY THE CUSTOMER CONCERN

Ignition ON.

Verify there is an observable symptom present.

Is an observable symptom present?

Yes

GO to I2

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.

I2 CHECK THE COMMUNICATION NETWORK

Using a diagnostic scan tool, perform a network test.

Did the PDM pass the network test?

Yes

GO to I3

No	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

I3 PERFORM PDM (PASSENGER DOOR MODULE) SELF-TEST

Using a diagnostic scan tool, perform a PDM self-test.

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Locks, Latches and Entry Systems (501-14 Handles, Locks, Latches and Entry Systems, Diagnosis and Testing).

GO to I4

I4 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, retrieve the GWM Diagnostic Trouble Codes (DTCs).

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

GO to I5

I5 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) SELF-TEST

Using a diagnostic scan tool, perform the PCM self-test.

Are any non-network Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to PCM DTC Chart in this section.

GO to I6

I6 RECHECK THE PCM (POWERTRAIN CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

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

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).

Wait 10 seconds.

Repeat the PCM self-test.

Is DTC U0200 still present?

Yes

GO to I7

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.

I7 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK 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 PDM , GWM or PCM . If recent service history is found:
- verify correct replacement module was installed
  - HVBOM 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 customer vehicle
  - 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 I8

No	The system is operating correctly at this time. The concern may have been due to incorrect parts replacement procedures or incorrect module configuration.

I8 CHECK FOR CORRECT PDM (PASSENGER DOOR MODULE) OPERATION

Ignition OFF.

Disconnect and inspect the PDM connector(s).

Repair:
- corrosion (install new connector or terminals – clean module pins)
- damaged or bent pins – install new terminals/pins
- pushed-out pins – install new pins as necessary

Reconnect the PDM connector(s). 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 J: U0230

Normal Operation and Fault Conditions

REFER to: Communications Network - System Operation and Component Description (418-00 Module Communications Network, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM U0230:00	Lost Communication With Rear Gate Module: No Sub Type Information	The PCM sets this DTC if data messages from the RGTM module through the GWM are missing.

Possible Sources

Communications network concern
RGTM
GWM
PCM

J1 VERIFY THE CUSTOMER CONCERN

Ignition ON.

Verify there is an observable symptom present.

Is an observable symptom present?

Yes

GO to J2

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.

J2 CHECK THE COMMUNICATION NETWORK

Using a diagnostic scan tool, perform a network test.

Did the RGTM module pass the network test?

Yes

GO to J3

No	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

J3 PERFORM RGTM (REAR GATE TRUNK MODULE) CONTROL MODULE SELF-TEST

Using a diagnostic scan tool, perform a RGTM control module self-test.

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Body Closures (501-03 Body Closures, Diagnosis and Testing).

GO to J4

J4 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, retrieve the GWM Diagnostic Trouble Codes (DTCs).

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

GO to J5

J5 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) SELF-TEST

Using a diagnostic scan tool, perform the PCM self-test.

Are any non-network Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to PCM DTC Chart in this section.

GO to J6

J6 RECHECK THE PCM (POWERTRAIN CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

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

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).

Wait 10 seconds.

Repeat the PCM self-test.

Is DTC U0230 still present?

Yes

GO to J7

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.

J7 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK 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 RGTM , GWM or PCM . If recent service history is found:
- verify correct replacement module was installed
  - HVBOM 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 customer vehicle
  - 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 J8

No	The system is operating correctly at this time. The concern may have been due to incorrect parts replacement procedures or incorrect module configuration.

J8 CHECK FOR CORRECT RGTM (REAR GATE TRUNK MODULE) MODULE OPERATION

Ignition OFF.

Disconnect and inspect the RGTM connector(s).

Repair:
- corrosion (install new connector or terminals – clean module pins)
- damaged or bent pins – install new terminals/pins
- pushed-out pins – install new pins as necessary

Reconnect the RGTM connector(s). 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 RGTM module.
REFER to: Rear Gate Trunk Module (RGTM) (501-03 Body Closures, 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: U023A

Normal Operation and Fault Conditions

REFER to: Communications Network - System Operation and Component Description (418-00 Module Communications Network, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM U023A:00	Lost Communication With Image Processing Module A: No Sub Type Information	The PCM sets this DTC if data messages from the IPMA through the GWM are missing.

Possible Sources

Communications network concern
IPMA
GWM
PCM

K1 VERIFY THE CUSTOMER CONCERN

Ignition ON.

Verify there is an observable symptom present.

Is an observable symptom present?

Yes

GO to K2

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.

K2 CHECK THE COMMUNICATION NETWORK

Using a diagnostic scan tool, perform a network test.

Did the IPMA pass the network test?

Yes

GO to K3

No	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

K3 PERFORM IPMA (IMAGE PROCESSING MODULE A) SELF-TEST

Using a diagnostic scan tool, perform a IPMA module self-test.

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Lane Keeping System (419-07 Lane Keeping System, Diagnosis and Testing).

GO to K4

K4 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, retrieve the GWM Diagnostic Trouble Codes (DTCs).

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

GO to K5

K5 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) SELF-TEST

Using a diagnostic scan tool, perform the PCM self-test.

Are any non-network Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to PCM DTC Chart in this section.

GO to K6

K6 RECHECK THE PCM (POWERTRAIN CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

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

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).

Wait 10 seconds.

Repeat the PCM self-test.

Is DTC U023A still present?

Yes

GO to K7

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.

K7 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK 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 IPMA , GWM or PCM . If recent service history is found:
- verify correct replacement module was installed
  - HVBOM 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 customer vehicle
  - 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 K8

No	The system is operating correctly at this time. The concern may have been due to incorrect parts replacement procedures or incorrect module configuration.

K8 CHECK FOR CORRECT IPMA (IMAGE PROCESSING MODULE A) OPERATION

Ignition OFF.

Disconnect and inspect the IPMA connector(s).

Repair:
- corrosion (install new connector or terminals – clean module pins)
- damaged or bent pins – install new terminals/pins
- pushed-out pins – install new pins as necessary

Reconnect the IPMA connector(s). Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

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: U0253:

Normal Operation and Fault Conditions

REFER to: Communications Network - System Operation and Component Description (418-00 Module Communications Network, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM U0253:00	Lost Communication With Accessory Protocol Interface Module: No Sub Type Information	The PCM sets this DTC if data messages from the APIM through the GWM are missing.

Possible Sources

Communications network concern
APIM
GWM
PCM

L1 VERIFY THE CUSTOMER CONCERN

Ignition ON.

Verify there is an observable symptom present.

Is an observable symptom present?

Yes

GO to L2

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.

L2 CHECK THE COMMUNICATION NETWORK

Using a diagnostic scan tool, perform a network test.

Did the APIM pass the network test?

Yes

GO to L3

No	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

L3 PERFORM APIM (SYNC MODULE) MODULE SELF-TEST

Using a diagnostic scan tool, perform a APIM self-test.

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Information and Entertainment System (415-00 Information and Entertainment System - General Information, Diagnosis and Testing).

GO to L4

L4 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, retrieve the GWM Diagnostic Trouble Codes (DTCs).

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

GO to L5

L5 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) SELF-TEST

Using a diagnostic scan tool, perform the PCM self-test.

Are any non-network Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to PCM DTC Chart in this section.

GO to L6

L6 RECHECK THE PCM (POWERTRAIN CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

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

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).

Wait 10 seconds.

Repeat the PCM self-test.

Is DTC U0253 still present?

Yes

GO to L7

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.

L7 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK 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 , APIM GWM or PCM . If recent service history is found:
- verify correct replacement module was installed
  - HVBOM 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 customer vehicle
  - 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 L8

No	The system is operating correctly at this time. The concern may have been due to incorrect parts replacement procedures or incorrect module configuration.

L8 CHECK FOR CORRECT APIM (SYNC MODULE) OPERATION

Ignition OFF.

Disconnect and inspect the APIM connector(s).

Repair:
- corrosion (install new connector or terminals – clean module pins)
- damaged or bent pins – install new terminals/pins
- pushed-out pins – install new pins as necessary

Reconnect the APIM connector(s). 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 APIM .
REFER to: SYNC Module [APIM] (415-00 Information and Entertainment 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 M: U0298

Normal Operation and Fault Conditions

REFER to: Communications Network - System Operation and Component Description (418-00 Module Communications Network, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM U0298:00	Lost Communication With DC/DC Converter Control Module 'A': No Sub Type Information	The PCM sets this DTC if data messages from the DC/DC Converter Control Module through the GWM are missing.

Possible Sources

Communications network concern
DC/DC Converter Control Module
GWM
PCM

M1 VERIFY THE CUSTOMER CONCERN

Ignition ON.

Verify there is an observable symptom present.

Is an observable symptom present?

Yes

GO to M2

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.

M2 CHECK THE COMMUNICATION NETWORK

Using a diagnostic scan tool, perform a network test.

Did the DC/DC Converter Control Module pass the network test?

Yes

GO to M3

No	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

M3 PERFORM DC/DC CONVERTER CONTROL MODULE SELF-TEST

Using a diagnostic scan tool, perform a DC/DC Converter Control Module self-test.

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

414-05 DT

GO to M4

M4 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, retrieve the GWM Diagnostic Trouble Codes (DTCs).

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

GO to M5

M5 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) SELF-TEST

Using a diagnostic scan tool, perform the PCM self-test.

Are any non-network Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to PCM DTC Chart in this section.

GO to M6

M6 RECHECK THE PCM (POWERTRAIN CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

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

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).

Wait 10 seconds.

Repeat the PCM self-test.

Is DTC U0298 still present?

Yes

GO to M7

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.

M7 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK 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 , DC/DC Converter Control Module, GWM or PCM . If recent service history is found:
- verify correct replacement module was installed
  - HVBOM 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 customer vehicle
  - 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 M8

No	The system is operating correctly at this time. The concern may have been due to incorrect parts replacement procedures or incorrect module configuration.

M8 CHECK FOR CORRECT DC/DC CONVERTER CONTROL MODULE OPERATION

Ignition OFF.

Disconnect and inspect the DC/DC converter control module connector(s).

Repair:
- corrosion (install new connector or terminals – clean module pins)
- damaged or bent pins – install new terminals/pins
- pushed-out pins – install new pins as necessary

Reconnect the DC/DC converter control module connector(s). Make sure it seats and latches correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

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: U0404, U0405, U0554

Normal Operation and Fault Conditions

Refer to the Powertrain Control/Emissions Diagnosis (PC/ED) Manual Section 1 Description and Operation.

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM U0404:00	Invalid Data Received from Gear Shift Control Module A: No Sub Type Information	The PCM sets this DTC when the PCM receives invalid network data from the GSM .
PCM U0405:00	Invalid Data Received From Cruise Control Module: No Sub Type Information	The PCM sets this DTC when the PCM receives invalid network data from the CCM .
PCM U0554:00	Invalid Data Received From Accessory Protocol Interface Module: No Sub Type Information	The PCM sets this DTC when the PCM receives invalid network data from the APIM .

Possible Sources

Suspect Module

N1 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE MODULE SENDING INVALID DATA

Using a diagnostic scan tool, carry out the self-test for the module in question sending the invalid data.

Are any Diagnostic Trouble Codes (DTCs) present from the module sending the invalid data?

Yes

DIAGNOSE the module sending the invalid data. REFER to the appropriate section in the Workshop Manual.

No	DIAGNOSE the observable symptom.

PINPOINT TEST O: OIL PRESSURE CONTROL SOLENOID FAULTS

Normal Operation and Fault Conditions

REFER to: Engine - Overview (303-01A Engine - 2.0L EcoBoost (177kW/240PS) – MI4, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM P06DA:00	Engine Oil Pressure Control Circuit/Open: No Sub Type Information	This DTC sets when the PCM detects an open on the engine oil pressure control solenoid valve circuit.
PCM P06DB:00	Engine Oil Pressure Control Circuit Low: No Sub Type Information	This DTC sets when the PCM detects a short to ground on the engine oil pressure control solenoid valve circuit.
PCM P06DC:00	Engine Oil Pressure Control Circuit High: No Sub Type Information	This DTC sets when the PCM detects a short to voltage on the engine oil pressure control solenoid valve circuit.

Possible Sources

Communications network concern
Engine oil pressure control solenoid valve
PCM
Wiring, terminals or connectors

O1 CHECK THE ENGINE OIL PRESSURE CONTROL SOLENOID VALVE SUPPLY VOLTAGE

Ignition OFF.

Disconnect Engine oil pressure control solenoid valve C1748 .

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1748-1 Ground

Is the voltage greater than 11 volts?

Yes

GO to O2

No	VERIFY BJB fuse F8 (15A) is OK. If OK, REPAIR the open circuit. If not OK, REFER to the Wiring Diagrams manual to identify the possible causes of the circuit short.

O2 CHECK THE ENGINE OIL PRESSURE CONTROL SOLENOID VALVE CIRCUIT FOR A SHORT TO VOLTAGE

Ignition OFF.

Disconnect PCM C1551E .

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1748-2 Ground

Is any voltage present?

Yes

REPAIR the circuit.

GO to O3

O3 CHECK THE ENGINE OIL PRESSURE CONTROL SOLENOID VALVE CIRCUIT FOR AN OPEN

Ignition OFF.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1551E-7 C1748-2

Is the resistance less than 3 ohms?

Yes

GO to O4

No	REPAIR the circuit.

O4 CHECK THE ENGINE OIL PRESSURE CONTROL SOLENOID VALVE CIRCUIT FOR A SHORT TO GROUND

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1748-2 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to O5

No	REPAIR the circuit.

O5 CHECK THE ENGINE OIL PRESSURE CONTROL SOLENOID VALVE OPERATION

NOTE: Engine oil level and contamination can affect the oil pressure reading. Check the engine oil level and correct as necessary.

Connect PCM C1551E .

Connect Engine oil pressure control solenoid valve C1748 .

Using a diagnostic scan tool, view the PCM PID EOP_PRESS.

Start the engine.

Record the EOP_PRESS PID reading.

Ignition OFF.

Disconnect Engine oil pressure control solenoid valve C1748 .

Start the engine.

Record the EOP_PRESS PID reading.

Ignition OFF.

Did the engine oil pressure increase by greater than 276 kpa (40 psi) with the solenoid disconnected?

Yes

GO to O6

No	INSTALL a new oil pressure control solenoid valve. REFER to: Oil Pressure Control Solenoid (303-14A Electronic Engine Controls - 2.0L EcoBoost (177kW/240PS) – MI4, Removal and Installation).

O6 VERIFY ENGINE OIL PRESSURE CONTROL SOLENOID VALVE CONNECTION AND WIRING

Disconnect Engine oil pressure control solenoid valve C1748 .

Disconnect PCM connectors.

Inspect connectors and wiring:
- corrosion (install new connector or terminals – clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect all 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

REPAIR the circuit or connector as needed.

No	The system is operating correctly at this time. The concern may have been caused by loose module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST P: P06E9

Normal Operation and Fault Conditions

303-06DO

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM P06E9:00	Engine Starter Performance: No Sub Type Information	No engine rotation detected during crank event

Possible Sources

Battery
Battery Cables
IPC
Starter
BJB starter relay
Wiring, terminals or connectors

P1 VERIFY THE ENGINE CRANKS

Place the ingnition switch in the START position.

Does the engine crank?

Yes

REFER to PC/ED Section 3 and FOLLOW Symptom Chart 3 for No Start (Engine Cranks)

303-06DT

PINPOINT TEST Q: P1001

Normal Operation and Fault Conditions

303-06DO

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM P1001:00	KOER Not Able to Complete, KOER Aborted: No Sub Type Information	This DTC sets when the KOER self-test does not complete in the time allowed.

Possible Sources

Incorrect self-test procedure
Unexpected response from the self-test monitors
RPM out of specification

Q1 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS)

Place the ingnition switch in the START position.

Using a diagnostic scan tool retieve and and record all Diagnostic Trouble Codes (DTCs).

Repair any self-test or Continuous Memory Diagnostic Trouble Codes (CMDTCs) and clear the DTC(s).

Rerun the KOER self test.

Did DTC P1001 return?

Yes

GO to Q2

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.

Q2 REPROGRAM THE PCM (POWERTRAIN CONTROL MODULE)

Reprogram the PCM with the latest software.
REFER to: Module Programming (418-01 Module Configuration, General Procedures).

Rerun the KOER self test.

Did DTC P1001 return?

Yes

VIN required to access Guided Routine (PCM)

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.

PINPOINT TEST R: P166A

Normal Operation and Fault Conditions

REFER to: Engine - Overview (303-01A Engine - 2.0L EcoBoost (177kW/240PS) – MI4, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM P166A:00	Restraints Deployment Communication Circuit: No Sub Type Information	This DTC sets when the PCM detects an open or short in the IES circuit.

Possible Sources

BCM
Wiring, terminals or connectors

R1 DIAGNOSE THE CONCERN USING THE PC/ED (POWERTRAIN CONTROL/EMISSIONS DIAGNOSIS) MANUAL

Diagnose the concern using the PC/ED manual pinpoint test.

Did the diagnosis in PC/ED instruct to install a new BCM ?

Yes

INSTALL a new BCM. Refer to the appropriate Removal and Installation procedure in Section 419-10.

No	Concern was resolved usingPC/ED manual pinpoint test.

PINPOINT TEST QA: UNABLE TO ACTIVATE SELF-TEST/NETWORK COMMUNICATION ERROR

Introduction

Normal Operation and Fault Conditions

Refer to the DTC Fault Trigger Conditions.

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM P0602:00	Powertrain Control Module Programming Error: No Sub Type Information	Sets when the PCM detects a programming error within the vehicle identification (VID) block.
PCM P0604:00	Internal Control Module Random Access Memory (RAM) Error: No Sub Type Information	Sets when the PCM detects the RAM is corrupt. Reprogram or update the calibration. Check for other Diagnostic Trouble Codes (DTCs) or drive symptoms for further action. Check for aftermarket performance products.
PCM P0605:00	Internal Control Module Read Only Memory (ROM) Error: No Sub Type Information	Sets when the PCM detects the ROM is corrupt. Reprogram the vehicle identification block. Check for other Diagnostic Trouble Codes (DTCs) or drive symptoms for further action. Check for aftermarket performance products. Refer to Flash EEPROM , Programming the (VID) Block for a Replacement PCM .
PCM P0606:00	Control Module Processor: No Sub Type Information	Sets when the PCM detects an internal communication error. Reprogram or update the calibration. Check for other Diagnostic Trouble Codes (DTCs) and diagnose those first. Check for aftermarket performance products. Clear the Diagnostic Trouble Codes (DTCs), repeat the self-test.
PCM P0607:00	Control Module Performance: No Sub Type Information	Sets when the PCM detects the internal central processing unit (CPU) encounters an error. The PCM monitors itself and carries out internal checks of its own CPU. This DTC sets if any of these checks returns an incorrect value. Reprogram or update the calibration. Check for other Diagnostic Trouble Codes (DTCs) and diagnose those first. Check for aftermarket performance products. Clear the Diagnostic Trouble Codes (DTCs), repeat the self-test.
PCM P0610:00	Control Module Vehicle Options Error: No Sub Type Information	Sets when the PCM detects one or more of the PCM VID Block fields are configured incorrectly. Reprogram or update the calibration. Check for other Diagnostic Trouble Codes (DTCs) or drive symptoms for further action. Check for aftermarket performance products.
PCM P061E:00	Internal Control Module Brake Signal Performance: No Sub Type Information	Sets when the PCM detects an incorrect BPP sensor signal is received by the PCM . This DTC also sets when an internal PCM communication error occurs in the PCM . Check for an incorrectly adjusted BPP sensor. Refer to section 417-01, Exterior Lighting. Check for other DTCs and diagnose those first. Check for aftermarket performance products. Clear the Diagnostic Trouble Codes (DTCs), repeat the self-test.
PCM P062F:00	Internal Control Module EEPROM Error: No Sub Type Information	Sets when the PCM detects the read only memory (ROM) is corrupt. Check for other Diagnostic Trouble Codes (DTCs) and diagnose those first. Check for aftermarket performance products. Reprogram or update the calibration. Clear the Diagnostic Trouble Codes (DTCs) and repeat the self-test. If the DTC is retrieved again, carry out the passive PATS parameter reset. Clear the Diagnostic Trouble Codes (DTCs) and repeat the self-test.
PCM P0630:00	VIN Not Programmed or Incompatible - ECM/PCM: No Sub Type Information	Sets when the PCM detects various VID data that is out of a specified acceptable range. The PCM did not receive a valid vehicle identification number (VIN) during reprogramming. Check for all other module Diagnostic Trouble Codes (DTCs) or related symptoms. Diagnose all other module Diagnostic Trouble Codes (DTCs) before diagnosing this DTC . Reprogram the BCM , instrument cluster, and PCM using as built data. Refer to Flash EEPROM , Programming The VID Block For A Replacement PCM , to reprogram the PCM .
PCM P064F:00	Unauthorized Software/Calibration Detected: No Sub Type Information	Sets when the PCM detects an unauthorized calibration.
PCM P160A:00	Control Module Vehicle Options Reconfiguration Error: No Sub Type Information	Sets when the PCM detects a mismatch in configuration data and programmable parameters between the PCM and BCM . Reprogram or update the calibration. If the PCM already has the latest calibration, carry out the relearn vehicle data procedure on the scan tool. Check for other Diagnostic Trouble Codes (DTCs) or drive symptoms for further action.
PCM P161C:00	Automatic Engine Shutdown Mismatch with Vehicle Configuration: No Sub Type Information	Sets when the IPC detects a mismatch in configuration data and programmable parameters between the PCM and the IPC .
PCM P1635:00	Tire/Axle Out of Acceptable Range: No Sub Type Information	Sets when the PCM detects the tire and axle information contained in the vehicle identification (VID) block does not match the vehicle hardware. Using the scan tool, view the tire and axle parameters within the VID block. They must match the vehicle hardware.
PCM P1639:00	Vehicle ID Block Corrupted, Not Programmed: No Sub Type Information	Sets when the PCM detects the VID block is not programmed or the information within is corrupt. Program the PCM to the most recent calibration available. The VID block must be programmed. Refer to Flash EEPROM , Making Changes to the VID Block.
PCM P1935:00	Brake Switch/Sensor Signal: No Sub Type Information	Sets when the PCM does not receive the ABS message within the defined amount of time. The PCM continuously monitors the CAN for messages from the ABS module. Check for other ABS Diagnostic Trouble Codes (DTCs) or ABS related symptoms. Diagnose all other ABS Diagnostic Trouble Codes (DTCs) or ABS related symptoms first.
PCM P264F:00	Engine Serial Number Not Programmed or Incompatible: No Sub Type Information	Sets when the PCM does not receive a valid engine serial number during reprogramming. The VID block must be programmed. Refer to Flash EEPROM , Programming VID Block. If the PCM does not allow reprogramming of the VID block, reflashing of the PCM is required.
PCM U2100:00	Initial Configuration Not Complete: No Sub Type Information	Sets when the PCM detects a programming error within the vehicle identification (VID) block. Program the VID block. Refer to Flash EEPROM , Making Changes to the VID Block. If the PCM does not allow reprogramming of the VID block, reflashing of the PCM is required.
PCM U2101:00	Control Module Configuration Incompatible: No Sub Type Information	Sets when the PCM detects the RAM is corrupt. Reprogram or update the calibration. Check for other Diagnostic Trouble Codes (DTCs) or drive symptoms for further action. Check for aftermarket performance products. Refer to Flash EEPROM , Programming the VID Block for a replacement PCM .
PCM U2200:00	Control Module Configuration Memory Corrupt: No Sub Type Information	Sets when the PCM detects a programming error within the vehicle identification (VID) block. Program the VID block. Refer to Flash EEPROM , Making Changes to the VID Block. If the PCM does not allow reprogramming of the VID block, reflashing of the PCM is required.

Possible Sources

Network communication concern
PCM

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