Possible Causes
| Possible Causes |
|---|
| RELATED CAN BUS COMMUNICATION PROBLEMS |
| ENGINE CONTROL MODULE (ECM) or POWERTRAIN CONTROL MODULE (PCM) |
| TRANSMISSION CONTROL MODULE (TCM) |
Always perform the MPS6 Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure .