C12E4 GMC – ABS Sensor Reference Output Circuit

C12E4 GMC Possible Symptoms

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

C12E4 GMC Possible Causes

Faulty ABS Sensor Reference,ABS Sensor Reference harness is open or shorted,ABS Sensor Reference circuit poor electrical connection

C12E4 GMC Description

The Electronic Brake Control Module (EBCM) monitors the ABS Sensor Reference. The EBCM sets the OBDII code when the ABS Sensor Reference is not to factory specifications.