C1204 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1204 – ABS Rear Dump Valve Circuit Short To Battery

 

C1204 Possible Symptoms

 

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

 

C1204 Possible Causes

 

Faulty ABS Rear Dump Valve,ABS Rear Dump Valve harness is open or shorted,ABS Rear Dump Valve circuit poor electrical connection

 

C1204 Description

 

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