C1800 Code – Air Suspension Reservoir Solenoid Circuit Failure

What are the Possible Causes of the Code C1800?
  • Faulty Air Suspension Reservoir Solenoid
  • Air Suspension Reservoir Solenoid harness is open or shorted
  • Air Suspension Reservoir Solenoid circuit poor electrical connection
  • Faulty Vehicle Dynamic Module (VDM)
  • 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