× 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: 06 w3500 No Comm. No start
Posted to HD/Fleet Forum on 2/7/2014

Andrew

you said that you don't have communication with the tcm and abs. Try disconnecting one of those at a time and see if your scan tool communicates with any module. Do you have a schematic of whats on the network?

The mobile guy. Login to read more.