C102A CHRYSLER – Left Rear Wheel Speed Comparative Performance

C102A CHRYSLER Possible Symptoms

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

C102A CHRYSLER Possible Causes

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

C102A CHRYSLER Description

The Anti-Lock Brake System (ABS) Module monitors the Left Rear Wheel Speed Sensor. The ABS Module sets the OBDII code when the Left Rear 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.