U0164 Code – Lost Communication with Air Conditioner ECU

What are the Possible Causes of the Code U0164?
  • Faulty Controller Area Network (CAN) Communication System
  • Faulty Air Conditioner ECU
  • Air Conditioner ECU harness is open or shorted
  • Air Conditioner ECU 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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