Ford C0237 OBD-II Trouble Code Definition: C0237 BUICK Erratic Rear Speed Signal C0237 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 Symptoms – ABS Warning Light ON C0237 BUICK OBD Code Description As the wheel spins, the […]