C1107 Buick Front Right Sensor 2

C1108 Buick Front Left Sensor 2

Possible causes
– ABS Wheel Sensor not installed currently
– ABS Wheel Sensor rotor or encoder damaged
– ABS Wheel Sensor rotor loose on axle
– Faulty ABS Wheel Sensor
– ABS Wheel Sensor harness is open or shorted
– ABS Wheel Sensor circuit poor electrical connection
– Faulty ABS Control Unit
What about the obd code?
ABS actuator and electric unit (control unit) cannot identify sensor pulses, because of large gap between wheel sensor and sensor rotor.
Symptoms
– ABS Warning Light ON
C1108 Buick OBD Code Description

The Anti-lock Brake System (ABS) control unit continually monitors wheel speed sensors to detect abnormal signals.

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