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6.6L Duramax L5P Transmission Tuning

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L5P Software Support TCM
This include all unlocks and upgraded transmission tuning for your T87a or T93 TCM
4 credits are required to flash this TCM
We can assist with this via TeamViewer or send us your infolog and stock read and we will make the file from there!
Extends transmission life and can improve fuel economy

Designed for L5P Duramax trucks, especially those with added power/torque

Fixes “lazy” low-RPM shifting, reducing need for hard throttle input

Optimizes shift points to better match upgraded components (like larger turbos)

Improves torque converter lockup to reduce slip, increase efficiency, and lower heat

Increases line pressure to strengthen clutch holding capacity

Helps handle higher power and heavy towing with more reliability

Available for 2017–2025 Silverado/Sierra 2500/3500 with 6.6L L5P Duramax
Pricing: $300.00

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Description

 

  • Extends transmission life and can improve fuel economy

  • Designed for L5P Duramax trucks, especially those with added power/torque

  • Fixes “lazy” low-RPM shifting, reducing need for hard throttle input

  • Optimizes shift points to better match upgraded components (like larger turbos)

  • Improves torque converter lockup to reduce slip, increase efficiency, and lower heat

  • Increases line pressure to strengthen clutch holding capacity

  • Helps handle higher power and heavy towing with more reliability

  • Available for 2017–2025 Silverado/Sierra 2500/3500 with 6.6L L5P Duramax

 

 

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