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B1421 Code – Passenger Power Window Motor Circuit Short To Ground

What are the Possible Causes of the Code B1421?
  • Faulty Passenger Power Window Motor
  • Passenger Power Window Motor harness is open or shorted
  • Passenger Power Window 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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