2021 - 2023 LM2 3.0L Duramax Tahoe Yukon Escalade Suburban | HP Tuners

SUV's with GM Global B equipped 3.0L LM2 engines are now available! These SUV's 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.

Vehicles:

• 2021-2023 Chevrolet Suburban 3.0L Duramax LM2
• 2021-2023 Chevrolet Tahoe 3.0L Duramax LM2
• 2021-2023 GMC Yukon 3.0L Duramax LM2
• 2021-2023 Cadillac Escalade 3.0L Duramax LM2

What is all needed?

• ECM unlock
• HP Tuners MPVI 3 or 4
• 6 HPT Credits
• Tune file

Unlocking ECM options:

• ECM Will need to be sent to HP Tuners for unlock
• Once you receive the ECM back from hptuners, install in vehicle and complete a readout.

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.
• All Dash messages must be gone before tuning.
  • You can do this after unlock
  • Use a hand held tool such as snap on or simlar to reset dpf, scr functions