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B2103 Code – Antenna Not Connected

What are the Possible Causes of the Code B2103?
  • Faulty Passive Anti-Theft System (PATS) Transceiver Antenna
  • Disconnected Passive Anti-Theft System (PATS) Transceiver
  • Faulty Passive Anti-Theft System (PATS) Transceiver
  • Passive Anti-Theft System (PATS) Transceiver harness is open or shorted
  • 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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