C004A Code: Meaning, Causes, and Symptoms | OBD2 Codes

C004A – Brake Lining Wear Sensor

 

C004A Possible Symptoms

 

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

 

C004A Possible Causes

 

Faulty Brake Lining Wear Sensor,Brake Lining Wear Sensor harness is open or shorted,Brake Lining Wear Sensor circuit poor electrical connection

 

C004A Description

 

The Anti-Lock Brake System (ABS) Module monitors the Brake Lining Wear Sensor. The ABS Module sets the OBDII code when the Brake Lining Wear Sensor is not to factory specifications.