Skip to content

B2639 Code – Driver DEF Door Fail

What are the Possible Causes of the Code B2639?
  • Faulty Front Mode Door Motor
  • Front Mode Door Motor harness is open or shorted
  • Front Mode Door Motor circuit poor electrical connection
  • Front Mode Door Motor control linkage installation condition
  • Faulty Air Condition (A/C) Automatic Amplifier
  • 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