B1160 – Gauge Control Module Lost Communication With Door Multiplex Control Unit

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What are the Possible Causes of the Code B1160?
  • Faulty Multiplex Integrated Control Unit (MICU)
    • Faulty Gauge Control Module
  • Multiplex Integrated Control Unit (MICU) harness is open or shorted
  • Multiplex Integrated Control Unit (MICU) 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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