U0521 Code – Invalid Data Received From Door Switch ‘F’

What are the Possible Causes of the Code U0519?
  • Faulty Door Switch ‘D’
  • Door Switch ‘D’ harness is open or shorted
  • Door Switch ‘D’ 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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