Possible Causes
| Possible Causes |
|---|
| INCORRECT VIN PROGRAMMED IN THE PCM |
| NO COMMUNICATION WITH SKREEM/WCM |
| NO VIN PROGRAMMED IN THE PCM |
| IGNITION KEY |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .