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B2621 Code – Inside Key Antenna 1 Circuit

What are the Possible Causes of the Code B2621?
  • Faulty Inside Key Antenna
  • Inside Key Antenna harness is open or shorted
  • Inside Key Antenna 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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