× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: def system code p204a
Posted to HD/Fleet Forum on 3/20/2021

thank you for the suggestions I have pulled the pump out and checked for contamination the pump looks good and there is no contamination. I checked for voltage on phase a and b for the pump control wires phase a had 3.5 volts and phase b had 0 volts. i checked... Login to read more.