C2104 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C2104 – ABS/ESC Valve Supply Voltage Circuit Open

 

C2104 Possible Symptoms

 

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

 

C2104 Possible Causes

 

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

 

C2104 Description

 

The Anti-Lock Brake System (ABS) Module monitors the ABS/ESC Valve Supply Voltage. The ABS Module sets the OBDII code when it has detected a low voltage on the Valve supply battery feed.