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B1789 Code – Mirror Passenger Down Circuit Short To Ground

What are the Possible Causes of the Code B1789?
  • Faulty Mirror Passenger Down Motor
  • Mirror Passenger Down Motor harness is open or shorted
  • Mirror Passenger Down Motor 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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