Possible Causes
WARNING: This page is about a different car, the 2012 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| AFTERTREATMENT DIESEL OXIDATION CATALYST HAS BEEN REMOVED FROM THE VEHICLE |
| AFTERTREATMENT DIESEL OXIDATION CATALYST IS DAMAGED OR NOT FUNCTIONING PROPERLY |
| AFTERTREATMENT DIESEL OXIDATION CATALYST INLET AND/OR OUTLET TEMPERATURE SENSORS ARE DAMAGED/FAILED |
| IMPROPER FUELING |
| WIRING HARNESS |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE - 6.7L .