2015-2019 Gen V LT T87A TCM Unlock

We expedite our tune file delivery process by asking you for all the information we need to fully optimize your tune file before you order. Other tuning vendors may ask for no, or partial information, which they then inquire for after the order is placed leading to delays in getting you your tune files! We know your time is important, so once you fill out the form, your done! Because we do our custom tuning this way, our tuning division has industry leading turn-around times, averaging same day or next day deliveries on most files.

• SOTF - Switch on the fly (If the Vehicle is equipped with a switch)
• DSP5 - Duramax Switchable Programing (5 Tune Slots)
• CSP5 - Cummins Switchable Programing (5 Tune Slots)
• CSP4 - Cummins Switchable Programing (4 Tune Slots)
• FT/FTP - Fuel Temp SOTF Switch
• CAC - Charge Air Control SOTF Switch
• LBF - Low Boost Fuel
• RUMBLE - Rumble Idle Sound (VGT Turbos Only)
• HISS - Hiss Idle Sound (VGT Turbos Only)
• Em.on - Emissions On Tuning / Em.off - Emission Off Tuning
• MODVGT - Modified VGT Turbo
• NONVGT - Non VGT Turbo / Fixed Vein Turbo
• 4IN - 4 Inch Intake (Stock)
• 5IN - 5 Inch Instake
• CP3 - CP3 Pump Conversions
• KAM Reset - Load this tune first prior to installing any modified trans tuning files (FORD)
• LSP - Low Shift Points
• SSP - Standard Shift Points
• RSP - Raised Shift Points
• HSP - High Shift Points
• ST – Single Fuel Tank
• DT – Dual Fuel Tank
• SRW – Single Rear Wheel
• DRW – Dual Rear Wheel
• MAN – Manual Transfer Case
• ELEC – Electric Transfer Case