Possible Causes
| POSSIBLE CAUSES |
|---|
| PCM PROGRAMMED WITH INCORRECT SOFTWARE |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
| POSSIBLE CAUSES |
|---|
| PCM PROGRAMMED WITH INCORRECT SOFTWARE |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .