Possible Causes
| Possible Causes |
| INCORRECT VIN PROGRAMMED IN THE PCM |
| NO COMMUNICATION WITH SKREEM/WCM |
| INCORRECT VIN PROGRAMMED IN THE PCM |
| IGNITION KEY |
| SENTRY KEY/WIRELESS CONTROL MODULE (SKREEM/WCM) |
| POWERTRAIN CONTROL MODULE (PCM) |
Perform *PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE
.