DTC P20FF (DCU) - Reductant Control Module Performance
DTC DESCRIPTION P20FF (DCU) - REDUCTANT CONTROL MODULE PERFORMANCE
| Description: | This DTC sets when the reductant dosage control module has detected an internal concern. | ||
| Possible Causes: |
|
||
| Diagnostic Aids: | This DTC may set in conjunction with other DTCs. Diagnose all other DTCs first. Clear the RDCM DTCs. Repeat the self-test. If this DTC sets again, install a new reductant dosage control module. Refer to the Electronic Engine Controls article. |
||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | Refer to the Description, Possible Causes and Diagnostic Aids for the DTC. | ||