Possible Causes
WARNING: This page is about a different variant/trim than selected.
| 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 .