× 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: 2007 4300 DT466
Posted to HD/Fleet Forum on 7/27/2020

[...trimmed text...]

That points to one of the common faults with these trucks- voltage drop in the high current power feeds to the ECM and IDM. There can be problems with the ECM and IDM relays or the relay connectors. A... Login to read more.