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B2789 Code – No Response From ID BOX

What are the Possible Causes of the Code B2789?
  • Faulty ID Code Box (Immobilizer Code ECU)
  • ID Code Box (Immobilizer Code ECU) harness is open or shorted
  • ID Code Box (Immobilizer Code ECU) circuit poor electrical connection
  • Faulty Certification ECU (Smart Key ECU Assembly)
  • 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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