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B1273 Code – Sliding Roof ECU Communication Stop

What are the Possible Causes of the Code B1273?
  • Faulty Sliding roof drive gear sub-assembly
  • Faulty Main Body ECU (Multiplex Network Body ECU)
  • Main Body ECU harness is open or shorted
  • Main Body ECU 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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