C103D Code: Meaning, Causes, and Symptoms | OBD2 Codes
C103D – Rear Wheel Speed Sensor Signal Erratic Performance
C103D Possible Symptoms
Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)
C103D Possible Causes
Faulty Rear Wheel Speed Sensor,Rear Wheel Speed Sensor harness is open or shorted,Rear Wheel Speed Sensor circuit poor electrical connection
C103D Description
The Anti-Lock Brake System (ABS) Module monitors the Rear Wheel Speed Sensor. The ABS Module sets the OBDII code when the Rear Wheel Speed Sensor is not to factory specifications.