B2120 Code – Door Passenger Set Switch Stuck Failure

What are the Possible Causes of the Code B2120?
  • Faulty Door Passenger Set Switch
  • Door Passenger Set Switch harness is open or shorted
  • Door Passenger Set Switch 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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