B0432 – Low Voltage Level On The Control Circuit Of The RR Defog Relay

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What are the Possible Causes of the Code B0432?
  • Faulty Defog Relay
    • Defog Relay harness is open or shorted
  • Defog 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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