× 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: C4500 speed limited
Posted to HD/Fleet Forum on 6/21/2012

First thing comes to mind is trany , shifting ok during problem ,don't know exact fix for ur problem , but there are what sounds like a lot of possible areas to check , charging system, ac current , bus, ecm have u tried unhooking batt cables and attaching th... Login to read more.