2016-2022 2.8L Duramax CCS MPVI TCM Tuning Add-On

Fits

Note: These are files only! You need an HP Tuner MPVI2 or MPVI3Device to flash these tunes onto any truck!  

This TCM tuning will Modify Shift speeds (RPM/speed at which the shift is commanded), Modified Shift timing (time it takes to complete a shift), Improved TCC lockup strategy, Increased line pressure at all times (Similar to what the EPC fooler does), both Improved torque management (both during shifts and in gear).

This is a single TCM Tune file for your LWN Duramax.

When Purchasing TCM (Transmission) Tuning, please email a photo of your TCM Sticker/Name Plate to tunes@dirtydieselcustoms.com

• Transmission Tune File
• Modified Shift Speeds 
  
• Modified Shift Timing
• Improved TCC Lockup Strategy
• Increased Line Pressure at All Times
• Improved Torque Management
• Requires HP Tuners MPVI Device