U0431-IMPLAUSIBLE DATA RECEIVED FROM TIPM
For a complete wiring diagram Refer to Section 8W
- When Monitored:
Continuously while the system is active.
- Set Condition:
An error message has been received over the bus from the Totally Integrated Power Module (TIPM).
| Possible Causes |
| INTERMITTENT DTC |
| CAN BUS OPEN OR SHORTED CONDITION |
| TOTALLY INTEGRATED POWER MODULE (TIPM) |
| ENGINE CONTROL MODULE (ECM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)
Diagnostic Test
1. ACTIVE DTCNOTE: Diagnose all CAN B and C communication DTCs before continuing.
Ignition on, engine not running.
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. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)
- Perform the ECM Verification Test Ver. 1. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)
2. COMMUNICATION DTCS PRESENT IN THE TOTALLY INTEGRATED POWER MODULE (TIPM)
With a scan tool check for DTCs in the Transmission Control Module (TIPM).
Are there any CAN bus DTCs active in the Totally Integrated Power Module (TIPM) at this time?
Yes
- Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING for additional vehicle communication diagnostic procedures.
- Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
No
- Replace and program the Engine Control Module (ECM) in accordance with the Service Information.
- Perform the ECM Verification Test Ver. 1. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)