C0045 CHEVROLET – Left Rear Wheel Speed Sensor Circuit

C0045 CHEVROLET Possible Symptoms

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

C0045 CHEVROLET Possible Causes

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

C0045 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.