C122A Code: Meaning, Causes, and Symptoms | OBD2 Codes

C122A – Brake Booster Pedal Force Switch Circuit

 

C122A Possible Symptoms

 

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

 

C122A Possible Causes

 

Faulty Brake Booster Pedal Force Switch,Brake Booster Pedal Force Switch harness is open or shorted,Brake Booster Pedal Force Switch circuit poor electrical connection,Faulty Anti-Lock Brake System (ABS) Module

 

C122A Description

 

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