Possible Causes
WARNING: This page is about a different car, the 2015 RAM 3500 HD and 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN/HIGH RESISTANCE |
| FUSED IGNITION SWITCH OUTPUT CIRCUIT SHORTED TO GROUND |
| GROUND CIRCUIT OPEN/HIGH RESISTANCE |
| FUSED IGNITION SWITCH OUTPUT CIRCUIT SHORTED TO THE GROUND CIRCUIT |
| FAULTY NOx SENSOR 1/1 INTERNAL HEATER |
| FAULTY NOx SENSOR 1/1 |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE - 6.7L .