2024 Chevy Duramax Problems 2024. Gm fixes a software issue that may prevent the check engine light from illuminating when the catalyst is not functioning properly. I am a first time diesel owner and i have a question for the diesel experts.
Users share their experiences and complaints about the 2024 gmc sierra, especially the infotainment system, the transmission, and the check engine light. Gm has released a software fix for the 2024 chevy silverado hd with the 6.6l v8 l5p turbodiesel duramax engine.