C101C Code: Meaning, Causes, and Symptoms | OBD2 Codes

C101C – Right Front Wheel Speed Sensor Signal Erratic Performance


C101C Possible Symptoms


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


C101C Possible Causes


Tire air pressure mismatch,Faulty Right Front Wheel Speed Sensor,Right Front Wheel Speed Sensor harness is open or shorted,Right Front Wheel Speed Sensor circuit poor electrical connection,Faulty Anti-Lock Brake System (ABS) Module


C101C Description


The Anti-Lock Brake System (ABS) Module monitors the Right Front Wheel Speed Sensor. The ABS Module sets the OBDII code when the Right Front Wheel Speed Sensor (WSS) Signal is intermittently missing while vehicle speed is above 25 mph (40 km/h) or erratic wheel speed signal during acceleration or sensed wheel speed is different from other wheels.