DTC P202D (DCU) - Reductant Leakage
WARNING: This page is about a different car, the 2020 Ford F-550 Super Duty, 2020 Ford F-450 Super Duty, 2020 Ford F-350 Super Duty, 2020 Ford F-250 Super Duty, and 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
DTC DESCRIPTION P202D (DCU) - REDUCTANT LEAKAGE
| Description: | The reductant dosage control module monitors the reductant pump motor when the selective catalytic reduction (SCR) system is active but the reductant injector is closed. This DTC sets when the reductant dosage control module must output a duty cycle greater than 50% to the reductant pump motor to maintain system pressure. | ||
| Possible Causes: |
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| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST RK . | ||