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 |
|---|
| BATTERY VOLTAGE OR CHARGING SYSTEM FAULTS |
| FUSED B(+) CIRCUIT OPEN/HIGH RESISTANCE |
| GROUND CIRCUIT OPEN/HIGH RESISTANCE |
| LIN BUS CIRCUIT SHORTED TO VOLTAGE |
| LIN BUS CIRCUIT SHORTED TO GROUND |
| LIN BUS CIRCUIT OPEN/HIGH RESISTANCE |
| AUXILIARY COOLANT PUMP |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .