B1580 Code – Dim Panel Increase Input Circuit Open

What are the Possible Causes of the Code B1580?
  • Faulty Dim Panel Switch
  • Dim Panel Switch harness is open or shorted
  • Dim Panel 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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