× 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: Code P04DB
Posted to HD/Fleet Forum on 3/1/2018

I am not real familiar with this vehicle but there is likely a hall effect sensor that attaches around a hose from the crankcase breather to the intake. It likely senses the metal on the intake where the hose attatches. This sensor is a common failure on 6.7 f... Login to read more.