B1221 – Open In The Rear Mode Control Motor Circuit

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What are the Possible Causes of the Code B1221?
  • Faulty Rear Mode Control Motor
    • Rear Mode Control Motor harness is open or shorted
  • Rear Mode Control Motor circuit poor electrical connection
  • Faulty Rear Climate Control Unit

    • 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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