Skip to content

U2109 Code – Lost Communications With Powertrain Multiple Control System

What are the Possible Causes of the Code U2109?
  • Faulty Powertrain Multiple Control System
  • Powertrain Multiple Control System harness is open or shorted
  • Powertrain Multiple Control System 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.

Leave a Reply