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 |
| LIN BUS 3 CIRCUIT SHORTED TO VOLTAGE |
| LIN BUS 3 CIRCUIT OPEN |
| LIN BUS 3 CIRCUIT SHORTED TO GROUND |
| CENTER HIGH MOUNTED STOP LAMP (CHMSL) |
| REAR VIDEO CAMERA |
| BODY CONTROL MODULE (BCM) |