C1112 Code – Trailer Brake Signal to Trailer Brake Power Control Module Circuit Malfunction

What are the Possible Causes of the Code C1112?
  • Faulty Trailer Brake Power Control Module
  • Trailer Brake Power Control Module harness is open or shorted
  • Trailer Brake Power Control Module 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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