Possible Causes
| Possible Causes |
|---|
| POOR CONNECTION AT AUXILIARY BATTERY POSITIVE OR NEGATIVE CABLE ENDS |
| HIGH RESISTANCE IN THE AUXILIARY BATTERY POSITIVE CABLE |
| HIGH RESISTANCE IN THE AUXILIARY BATTERY GROUND |
| POOR CONNECTIONS AT THE PDC |
| HIGH RESISTANCE IN THE FUSED B+ CIRCUIT TO THE PCM |
| FAULTY AUXILIARY BATTERY |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .