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 .