C0201 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C0201 – Anti-Lock Brake System Enable Relay Contact Circuit


C0201 Possible Symptoms


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


C0201 Possible Causes


Faulty Anti-Lock Brake System Enable Relay,Anti-Lock Brake System Enable Relay harness is open or shorted,Anti-Lock Brake System Enable Relay circuit poor electrical connection


C0201 Description


The system relay, located within the Electronic Brake Control Module (EBCM), supplies battery voltage to all of the valve solenoids and to the ABS pump motor. When the relay contacts close, the EBCM monitors the voltage supplied to the valve solenoids and compares this voltage to monitored ignition voltage.