U1140 Code – Lost Communication With Active Exhaust Valve 2

What are the Possible Causes of the Code U1140?
  • Faulty Active Exhaust Valve Actuator
  • Active Exhaust Valve Actuator harness is open or shorted
  • Active Exhaust Valve Actuator circuit poor electrical connection
  • Faulty Powertrain Control Module (PCM)
  • 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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