Possible Causes
| POSSIBLE CAUSES |
|---|
| PCM HAS BEEN PROGRAMMED WITH UNAUTHORIZED OR AFTERMARKET SOFTWARE |
| AN AUTHORIZED MOPAR OR SCAT PAK POWERTRAIN CONTROL MODULE (PCM) HAS BEEN INSTALLED |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .