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 |
|---|
| AFTERTREATMENT SCR CATALYST HAS BEEN REMOVED FROM THE VEHICLE |
| AFTERTREATMENT SCR CATALYST IS DAMAGED OR NOT FUNCTIONING PROPERLY |
| AFTERTREATMENT SCR INLET/MIDBED/OUTLET TEMPERATURE SENSORS ARE DAMAGED/FAILED |
| IMPROPER FUELING |
| WIRE HARNESS |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .