Skip to content

P305D Code – DC DC Converter Crank Control Circuit High Voltage

  • by

Code P305D Possible Causes
Faulty Power Supply Transformer
Power Supply Transformer circuit poor electrical connection
Power Supply Transformer harness is open or shorted
Engine Coolant Pump circuit poor electrical connection

Need help with this 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