U1862 Code – Battery Energy Control Module Lost Communication With Serial Data Gateway Module

What are the Possible Causes of the Code U1862?
  • Faulty Serial Data Gateway Module
  • Serial Data Gateway Module harness is open or shorted
  • Serial Data Gateway Module circuit poor electrical connection
  • 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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