C0227 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C0227 – Erratic Left Front Speed Sensor


C0227 Possible Symptoms


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


C0227 Possible Causes


Faulty Left Front Speed Sensor,Left Front Speed Sensor harness is open or shorted,Left Front Speed Sensor circuit poor electrical connection,Faulty EBCM


C0227 Description


As the wheel spins, the wheel speed sensor produces an Alternating Current (AC) signal. The Electronic Brake Control Module (EBCM) uses the frequency of the AC signal to calculate the wheel speed.