C001A Code: Meaning, Causes, and Symptoms | OBD2 Codes

C001A – Left Rear Hydraulic Release Too Long

 

C001A Possible Symptoms

 

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

 

C001A Possible Causes

 

Faulty Left Rear Hydraulic Release Valve,Left Rear Hydraulic Release Valve harness is open or shorted,Left Rear Hydraulic Release Valve circuit poor electrical connection

 

C001A Description

 

The Anti-Lock Brake System (ABS) Module monitors the Left Rear Hydraulic Release Valve. The ABS Module sets the OBDII code when the Left Rear Hydraulic Release Valve is not to factory specifications.