2001-10 Duramax EFI Live TCM Tuning

Unlike most files on the market, Diesel DNA is true custom tuning for your Duramax. Just let us know what you're doing with the truck and we will get you tuning that is written specifically for your truck and your usage.

This is a single TCM Tune file for your 2001-10 Duramax with the AL5, A40 and A50 Allison TCMs.

Please email us a Factory read of your TCM from EFI Live.