C1237 Code – Speed Wheel Rear Input Signal Missing

What are the Possible Causes of the Code C1237?
  • Faulty Rear ABS Sensor
  • Rear ABS Sensor harness is open or shorted
  • Rear ABS Sensor circuit poor electrical connection
  • Faulty Wheel Speed Sensor
  • Need help with this OBD II code? Our mechanics are available within west Michigan to help. Outside of our service area? Visit our Car Help Section where you can ask questions and get answers.

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