U0431

U0431-IMPLAUSIBLE DATA RECEIVED FROM FCM (TIPM)





For a complete wiring diagram, refer to the wiring information Electrical Diagrams

- When Monitored:
Continuously while the system is active.

- Set Condition:
Implausible data has been received over the bus from the Front Control Module (FCM).





Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Pre-Diagnostic Troubleshooting Procedure.

1. ACTIVE DTC

NOTE: Diagnose all CAN B and C communication DTCs before continuing.

1. Turn the ignition on.
2. With a scan tool, view DTCs.

Is the status Active for this DTC?

Yes

- Go To 2

No

- Refer to the INTERMITTENT CONDITION Diagnostic Procedure. . Checking for an Intermittent DTC

2. TIPM COMMUNICATION RELATED DTCS IN OTHER MODULES
1. With a scan tool check for TIPM communication related DTCs in other modules on the CAN Bus.

Are there any TIPM communication related DTCs in other modules on the CAN Bus at this time?

Yes

- Replace and program the Totally Integrated Power Module (TIPM).
- Perform the PCM Verification Test. PCM Verification Test.

No

- Replace and program the Powertrain Control Module (PCM).
- Perform the PCM Verification Test. PCM Verification Test.