U2120 Code – Lost Communication With Dynamic Headlamp Leveling Device

What are the Possible Causes of the Code U2120?
  • Faulty Dynamic Headlamp Leveling (DHL) Device
  • Dynamic Headlamp Leveling Device harness is open or shorted
  • Dynamic Headlamp Leveling Device 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