Possible Causes
| Possible Causes |
|---|
| POWERTRAIN CONTROL MODULE (PCM) SOFTWARE UPDATE |
| EXCESSIVE RESISTANCE IN THE PCM POWER OR GROUND CIRCUITS |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to: PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .