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B2156 Code – Rear Doppler Sensor Circuit Failure

What are the Possible Causes of the Code B2156?
  • Faulty Rear Doppler Sensor
  • Rear Doppler Sensor harness is open or shorted
  • Rear Doppler Sensor circuit poor electrical connection
  • Faulty Body Control Module (BCM)
  • 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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