2024 Chevy Duramax Diesel Exhaust Fluid Check. This is the first time i got a def message on the 2024, but i remember my 2020 would first come with a 1000 mile message. In this video i go through all the steps to troubleshoot poor quality def warning.more.

A forum community dedicated to chevy and gmc duramax diesel owners and enthusiasts. Everyone that i know who got one already is having bad issues.