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B2664 Code – Headlamp Relay Output Open Circuit or Short to Battery

What are the Possible Causes of the Code B2664?
  • Faulty Headlamp Relay
  • Headlamp Relay harness is open or shorted
  • Headlamp Relay circuit poor electrical connection
  • Faulty Vehicle Security Module
  • 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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