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B1738 Code – Mirror Driver Horizontal Switch Circuit Open

What are the Possible Causes of the Code B1738?
  • Faulty Mirror Driver Horizontal Switch
  • Mirror Driver Horizontal Switch harness is open or shorted
  • Mirror Driver Horizontal 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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