U1129 Code – Lost Communications With Audio Amplifier

What are the Possible Causes of the Code U1129?
  • Faulty Audio Amplifier
  • Audio Amplifier harness is open or shorted
  • Audio Amplifier 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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