B1020 – Occupant Sensor Control Unit

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What are the Possible Causes of the Code B1020?
  • Faulty Occupant Sensor Control Unit
    • Occupant Sensor Control Unit harness is open or shorted
  • Occupant Sensor Control Unit circuit poor electrical connection
  • Faulty Diagnosis Sensor Unit

    • 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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