C1102 BMW Rear Left Sensor 1

C1102 BMW Rear Left Sensor 1

Possible causes
– ABS Wheel Sensor not installed currently
– ABS Wheel Sensor rotor or encoder damaged
– 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?
Circuit of rear Left wheel sensor (4WD) or rear sensor (2WD) is open, shorted or sensor voltage is unusual
Symptoms
– ABS Warning Light ON
C1102 BMW OBD Code Description

When the sensor rotor rotates, the magnetic field changes. It converts the magnetic field changes to current signals (rectangular wave) and transmits them to the ABS actuator and electric unit (control unit).

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