2024 Duramax Tuner Online. Combining the ecm tuning with tcm tuning is the ultimate way to match your transmission holding strength, shift schedule, and torque converter clutch engagement to the new found. If you wanted to tune your truck right off the batt you would’ve needed to buy a 22 or older 21’ lm2 s&b intake, ppe hot/cold charge pipe,.
Expect improved fuel economy, better towing performance with edge. For 2020, gm made some huge waves in the light duty diesel market by introducing their first late model, inline diesel engine in.