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U2604 Code – Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 2

What are the Possible Causes of the Code U2604?
  • Faulty Hybrid/EV Battery Interface Control Module 2
  • Hybrid/EV Battery Interface Control Module 2 harness is open or shorted
  • Hybrid/EV Battery Interface Control Module 2 circuit poor electrical connection
  • Faulty Battery Energy Control 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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