C1623 Code – Brake Controlled System Malfunction

What are the Possible Causes of the Code C1623?
  • Faulty All Wheel Control (AWC) ECU
  • All Wheel Control (AWC) ECU harness is open or shorted
  • All Wheel Control (AWC) 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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