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 |
| CAN BUS OPEN OR SHORTED CONDITION |
| VEHICLE SYSTEM INTERFACE MODULE (VSIM) |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.