FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

U0431






U0431-IMPLAUSIBLE DATA RECEIVED FROM FCM (TIPM)



- When Monitored:
Continuously while the system is active.

- Set Condition:
Implausible data has been received over the bus from the Totally Integrated Power Module (TIPM).





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

- Perform 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/FCM 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.