Ford C0236 OBD-II Trouble Code Definition:
C0236 BUICK Missing Rear Speed Sensor Signal
C0236 Ford OBD-II Trouble CodeDescription:
Causes
– Faulty Rear Speed Sensor
– Rear Speed Sensor harness is open or shorted
– Rear Speed Sensor circuit poor electrical connection
– Faulty EBCM
– Rear Speed Sensor harness is open or shorted
– Rear Speed Sensor circuit poor electrical connection
– Faulty EBCM
Symptoms
– ABS Warning Light ON
C0236 BUICK OBD Code 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.