2022.5 -2025 LZ0 3.0L Duramax 1500 | HP Tuners

GM Sierra and Silverado owners 2022.5 -2025 equipped with the GM LZ0 Duramax 3.0L engines are now available! These trucks are equipped with the GM E66 ECM and GM T93 TCM. To tune either of these controllers we have to unlock the security from them. Once this is completed, they are ready for custom tuning.

What is all needed?

• ECM unlock
• HP Tuners MPVI 3 or RTD
• 6 HPT Credits
• Tune file

Unlocking ECM options:

• ECM will need to be unlocked and mailed to HP Tuners

Power Levels:

• +15HP +45 FT/LBS TQ
• +30HP +70 FT/LBS TQ
• +60HP +110 FT/LBS TQ

IMPORTANT: 

• All vehicles and transmissions require a Windows based computer for the flashing of your vehicle or transmission with your tuning option.
• Vehicle tuning requires an unlocked ECM for flashing of tuning.