B0004 – Driver Knee Bolster Deployment Control

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What are the Possible Causes of the Code B0004?
  • Faulty Driver Knee Airbag
    • Driver Knee Airbag harness is open or shorted
  • Driver Knee Airbag circuit poor electrical connection

  • 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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