[amidgeha]

Reductant System Malfunction Lamp Control Circuit

The Engine Control Module (ECM) monitors the Reductant System Malfunction Lamp Control Circuit. The ECM sets the OBDII code when the Reductant System Malfunction Lamp Control Circuit is not to factory specifications.

Cause:
Faulty Reductant System Malfunction Lamp
Reductant System Malfunction Lamp harness is open or shorted
Reductant System Malfunction Lamp circuit poor electrical connection

Symptoms:
Check engine light