Possible Causes
WARNING: This page is about a different car, the 2024 Jeep Grand Wagoneer L and 2024 Jeep Grand Wagoneer. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| PCR CONTROL RELAY OUTPUT CIRCUIT OPEN/HIGH RESISTANCE |
| PCR CONTROL RELAY OUTPUT CIRCUIT SHORTED TO GROUND |
| POWER CONTROL RELAY GROUND CIRCUIT OPEN |
| POWER CONTROL RELAY IS STUCK OFF (CLOSED) |
| POOR CONNECTION AT THE MAIN BATTERY POSITIVE OR NEGATIVE CABLE ENDS |
| HIGH RESISTANCE IN THE MAIN BATTERY POSITIVE CABLE |
| HIGH RESISTANCE IN THE MAIN BATTERY GROUND |
| FAULTY AUXILIARY BATTERY |
| POWER DISTRIBUTION CENTER (PDC) |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .