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U0448 Code – Invalid Data Received From Gateway Control Module ‘B’

What are the Possible Causes of the Code U0447?
  • Faulty Gateway Control Module ‘A’
  • Gateway Control Module ‘A’ harness is open or shorted
  • Gateway Control Module ‘A’ 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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