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U1548 Code – Body Control Module Lost Communication With Left Rear Window Switch On LIN Bus

What are the Possible Causes of the Code U1548?
  • Faulty Left Rear Window Switch
  • Left Rear Window Switch harness is open or shorted
  • Left Rear Window Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)
  • 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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