U1477 Code – Implausible Paddle Shifter Data Received

What are the Possible Causes of the Code U1477?
  • Check for Steering Control Module (SCM) codes
  • Faulty Transmission Control Module (TCM)
  • Transmission Control Module harness is open or shorted
  • Transmission 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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