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B1590 Code – Autolamp Delay Increase Circuit Short To Ground

What are the Possible Causes of the Code B1590?
  • Faulty Autolamp Delay
  • Autolamp Delay harness is open or shorted
  • Autolamp Delay 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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