U1879 Code – Drive Motor Control Module 2 Lost Communication With Engine Control Module

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What are the Possible Causes of the Code U1879?
  • Faulty Engine Control Module (ECM)
    • Engine Control Module harness is open or shorted
  • Engine Control 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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