C101F Code: Meaning, Causes, and Symptoms | OBD2 Codes

C101F – Right Front Wheel Speed Comparative Performance


C101F Possible Symptoms


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


C101F 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


C101F 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 reading is different from the readings received from the other WSS’s at a vehicle speed above 40 km/h (25 mph). The Anti-Lock Brake Module compares WSS readings from side-to-side on an axle and front-to-rear.