C003B Code: Meaning, Causes, and Symptoms | OBD2 Codes

C003B – Right Rear Wheel Speed Sensor Supply


C003B Possible Symptoms


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


C003B Possible Causes


Faulty Right Rear Wheel Speed Sensor,Right Rear Wheel Speed Sensor harness is open or shorted,Right Rear Wheel Speed Sensor circuit poor electrical connection


C003B Description


The Anti-Lock Brake System (ABS) Module monitors the Right Rear Wheel Speed Sensor. The ABS Module sets the OBDII code when the Right Rear Wheel Speed Sensor is not to factory specifications.