B2109 Code – Heated Wind Shield Relay Short To Battery

What are the Possible Causes of the Code B2109?
  • Faulty Heated Wind Shield Relay
  • Heated Wind Shield Relay harness is open or shorted
  • Heated Wind Shield Relay 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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