B0402 – Immobilizer Key Collation NG

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What are the Possible Causes of the Code B0402?
  • Incorrect Immobilizer Key
    • Immobilizer Key Not Programmed
  • Faulty Body Integrated Unit (BIU)

  • 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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