AITP 2017-2019 L5P T87A TCM Tuning (HP Tuners)

All In Truck Performance custom tuning for 2017-2019 Chevrolet Silverado and GMC Sierra HD trucks with the 6.6L L5P Duramax.

Transmission calibration designed to improve shift strategy, shift feel, and torque-converter behavior. This is the tuning file only. An HP Tuners interface and the required licensing are sold separately. Supply your original TCM read file to complete the order.

For the T87A TCM. The controller must already be unlocked.

Vehicle VIN required: Enter your 17-character VIN in the field above so Lucky Diesel can fulfill your tuning order.