Possible Causes
WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
| TRAILER WIRING/BRAKES |
| (F944) IGNITION RUN/START CONTROL OUTPUT CIRCUIT OPEN OR HIGH RESISTANCE |
| (A919) FUSED (B+) CIRCUIT OPEN OR HIGH RESISTANCE |
| (Z910) GROUND CIRCUIT(S) OPEN OR HIGH RESISTANCE |
| INTEGRATED TRAILER BRAKE MODULE (ITBM) |