× 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 quality poor message
Posted to HD/Fleet Forum on 1/11/2026 9 Replies

Using guidelines and info from identifix guys, I ran the "tamper test" and def quality test several times, with no luck, but after the 3rd def quality test it then cleared the messages off the screen and sent back normal. While the tests ran, and after they ra... Login to read more.

9 Replies Received (View Replies)