Possible Causes
WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
| FUSED B(+) CIRCUIT OPEN OR SHORTED |
| FUSED IGNITION SWITCH OUTPUT (RUN-START) CIRCUIT OPEN OR SHORTED |
| GROUND CIRCUIT OPEN |
| CAN C BUS (+) CIRCUIT OPEN |
| CAN C BUS (-) CIRCUIT OPEN |
| INTEGRATED TRAILER BRAKE MODULE (ITBM) |