B2890 Code – DC/DC Converter

What are the Possible Causes of the Code B2890?
  • Faulty 12V Battery
  • 12V Battery harness is open or shorted
  • 12V Battery circuit poor electrical connection
  • Faulty Power Delivery Module (PDM)
  • 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