Possible Causes
| Possible Causes |
|---|
| USED CONTROLLER INSTALLED WITH WRONG CONFIGURATION |
| BCM NOT PROPERLY PROGRAMED OR WAS REPLACED AND NOT PROGRAMED |
| NEW PCM INSTALLED |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .