C1979 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1979 – IWE Solenoid Circuit Failure


C1979 Possible Symptoms


Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)


C1979 Possible Causes


Faulty Integrated Wheel End (IWE) Solenoid,Integrated Wheel End (IWE) Solenoid harness is open or shorted,Integrated Wheel End (IWE) Solenoid circuit poor electrical connection


C1979 Description


The Four Wheel Drive (4WD) Control Module monitors the Integrated Wheel End (IWE) Solenoid. The 4WD Control Module sets the OBDII code when the IWE Solenoid is not to factory specifications.