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B2506 Code – Left Lamp Low Beam Circuit Short to Battery

What are the Possible Causes of the Code B2506?
  • Faulty Left Lamp Low Beam
  • Left Lamp Low Beam harness is open or shorted
  • Left Lamp Low Beam circuit poor electrical connection
  • Faulty Headlamp Switch
  • Faulty Smart Junction Box (SJB)
  • 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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