× 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: Exhaust Fluid System Fault message displayed
Posted to HD/Fleet Forum on 5/16/2019

[...trimmed text...]

My experience has been that the vehicle will fail a test in the DEF system and set a code, then the vehicle owner takes it to someone who clears the code thinking it will clear the message.

Now the... Login to read more.