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17–19: T87A
20–23: T93
EZ Lynk Transmission Tuning for your 2017–2023 L5P Duramax
EZ Lynk sold separately!
Both T87A and T93 TCMs must be unlocked before custom tuning can be flashed.
FULL CUSTOM TUNING with LIFETIME SUPPORT
Maximize the performance and lifespan of your L5P transmission with our custom tuning service. Perfect for heavy towing and high-horsepower applications, our expertly designed tuning optimizes your transmission for peak efficiency. Enjoy increased longevity, improved drivability, and enhanced overall performance with our L5P transmission tuning.