C1237 Audi Speed Wheel Rear Input Signal Missing
Possible causes
– Faulty Rear ABS Sensor
– Rear ABS Sensor harness is open or shorted
– Rear ABS Sensor circuit poor electrical connection
– Faulty Wheel Speed Sensor
– Wheel bearing
– Rear ABS Sensor harness is open or shorted
– Rear ABS Sensor circuit poor electrical connection
– Faulty Wheel Speed Sensor
– Wheel bearing
Trouble Code Description
Symptoms
– ABS light ON
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