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 |
| (D903) DRIVER DOOR LIN BUS CIRCUIT SHORTED TO GROUND |
| (D903) DRIVER DOOR LIN BUS CIRCUIT SHORTED TO THE (D512) DRIVER DOOR LIN BUS RETURN CIRCUIT |
| DRIVER WINDOW/DOOR LOCK SWITCH |
| DRIVER DOOR MODULE (DDM) |