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 |
|---|
| AFTERTREATMENT DIESEL OXIDATION CATALYST (DOC) HAS BEEN REMOVED FROM THE DIESEL PARTICULATE FILTER (DPF) CANISTER |
| AFTERTREATMENT DIESEL OXIDATION CATALYST (INSIDE THE DIESEL PARTICULATE FILTER (DPF) CANISTER) IS DAMAGED OR NOT FUNCTIONING PROPERLY |
| EXHAUST GAS TEMPERATURE SENSORS 1, 2, OR 3 ARE DAMAGED/FAILED |
| IMPROPER FUELING |
| WIRE HARNESS |
Always Perform The PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE Before Proceeding. Refer To PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .