Allison found in your 2017-2019 L5P Duramax earned its reputation for
excellence largely because of the advanced electronic control provided by the
TCM (Transmission Control Module). Changing that factory calibration is
especially important for you when you modify your truck and/or install ECM
Tuning. Custom TCM Tuning gives you quicker shift changes, smoother operation,
and an overall better driving experience.
What’s the difference between Mild and Aggressive Transmission
Points is the best choice for you if you . . .
similar feeling to stock shift schedule
a near-stock truck
a Box Tuner
an Everyday Diesel Guy
your truck as a daily commuter
Shift Points is the best choice for you if you . . .
an upgraded turbocharger
35+ size tires
higher RPM operation or holding the gear longer
custom engine tuning
you need TCM Tuning?
with any ECM Tuning to provide smooth shifting and superior drive-ability
converter lockup strategy helps you put power to the ground when you need it
clutch holding capacity with increased line pressure
your truck feel more powerful
short-shifting in performance applications
Tuning is the best tool to ensure your engine is operating within its preferred
is especially important for trucks with:
ECM Tuning, Box Tuner, or Throttle booster
Larger tires (35+)
modification that impacts operating RPMs
the wider torque curve provided by ECM Tuning
your truck in its power band when lugging up a grade
shifts mean less time between gears and more time putting power to the ground
your aftermarket performance parts
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