C0040 CHEVROLET – Right Front Wheel Speed Sensor Circuit

C0040 CHEVROLET Possible Symptoms

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

C0040 CHEVROLET Possible Causes

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

C0040 CHEVROLET Description

The Wheel Speed Sensor (WSS) receives ignition voltage from the Electronic Brake Control Module (EBCM) and provides a DC square wave signal back to the module. As the wheel spins, the EBCM uses the frequency of the square wave signal to calculate the wheel speed.