Possible Causes
WARNING: This page is about a different car, the 2015 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| AFTERTREATMENT DIESEL OXIDATION CATALYST (DOC) HAS BEEN REMOVED FROM THE VEHICLE |
| AFTERTREATMENT DIESEL OXIDATION CATALYST (DOC) IS DAMAGED OR NOT FUNCTIONING PROPERLY |
| ONE OF THE FOUR EXHAUST TEMPERATURE SENSORS IS DAMAGED OR FAILED |
| IMPROPER FUELING |
| WIRE HARNESS |
Always perform the Pre-Diagnostic Troubleshooting Procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .