2024 Chevy Silverado 2024 Hd Duramax Diesel Problems. General motors has initiated a service update for the 2024 gmc sierra hd, addressing an issue with the 6.6l v8 l5p turbodiesel duramax engine. I'm not sure if you're on facebook or not, but a lot of the guys taking delivery of theirs are reporting the check engine light as well in the 2024+ duramax gmc &.
A forum community dedicated to chevy and gmc duramax diesel owners and enthusiasts. My 2024 at4 is back in the shop with issues 6.6 diesel.