C122D Code: Meaning, Causes, and Symptoms | OBD2 Codes

C122D – Active Brake Booster Control Circuit


C122D Possible Symptoms


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


C122D Possible Causes


Faulty Active Brake Booster Solenoid,Active Brake Booster Solenoid harness is open or shorted,Active Brake Booster Solenoid circuit poor electrical connection,Faulty Brake Travel Sensor,Faulty Anti-Lock Brake System (ABS) Module


C122D Description


The Anti-Lock Brake System (ABS) Module monitors the Active Brake Booster Solenoid. The ABS Module sets the OBDII code when the Active Brake Booster Solenoid is not to factory specifications.