B0685 – Security System Indicator Circuit Short to Ground

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What are the Possible Causes of the Code B0685?
  • Faulty Light/Sunload Ambient Sensor
    • Light/Sunload Ambient Sensor harness is open or shorted
  • Light/Sunload Ambient Sensor 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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