Possible Causes
WARNING: This page is about a different car, the 2024 Jeep Grand Cherokee L. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| OPEN OR HIGH RESISTANCE BETWEEN THE ALTERNATOR B+ TERMINAL AND THE PDC B+ TERMINAL |
| RESISTANCE IN THE FUSED B+ CIRCUIT BETWEEN THE PDC AND THE PCM |
| BATTERY |
| POWER DISTRIBUTION CENTER |
| ALTERNATOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .