B2659 Code – Courtesy Switch Fault

What are the Possible Causes of the Code B2659?
  • Blown Courtesy Lamp Bulb
  • Faulty Door Ajar Switch
  • Faulty Interior Lamp Switch
  • Interior Lamp Switch harness is open or shorted
  • 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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