Possible Causes
| Possible Causes |
|---|
| OPEN AUXILIARY BATTERY FUSE (150A) IN THE FUSE ARRAY |
| POOR CONNECTION AT THE PCR STUDS |
| POOR CONNECTION AT BATTERY POSITIVE OR NEGATIVE CABLE ENDS |
| HIGH RESISTANCE IN THE AUXILIARY BATTERY GROUND |
| HIGH RESISTANCE IN THE AUXILIARY BATTERY POSITIVE CABLE |
| PCR CONTROL RELAY OUTPUT CIRCUIT SHORTED TO VOLTAGE |
| PCR CONTROL RELAY (ON PCB INSIDE PDC) IS STUCK ON |
| POWER CONTROL RELAY (PCR) STUCK ON (OPEN) |
| FAULTY AUXILIARY BATTERY |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.