2020 - 2023 L5P T93 TCM Tuning | HP Tuners
Transmission Tuning & TCM Unlock (T93) 10L1000 Benefits: Increased transmission line pressure Revised shift schedule Improved shift timing Re-designed torque converter lock-up strategy Allows power transfer from the engine to the wheels more efficiently Allows transmission to handle the larger earlier torque curve that can be delivered by the L5P Requirements: Unlocked / Modified T93 TCM 4 HPT credits MPVI Flash Device The factory TCM tuning from GM in the T93 leaves a lot to be desired when it comes to proper shift control and torque converter lockup (TCC –L/U). The programming, combined with a weak 7/8/9/10 clutch pack and overdrive drum arrangement leave this transmission vulnerable during loaded scerios and when power had been increased. Factory 10 speed trucks under full throttle from a stop shift in the order of 2/3/4/5th - TCC lockup/6th TCC lockup/7th TCC lockup/8th TCC lockup/9th TCC lockup/10th TCC lockup. This shift pattern arrangement makes for an uncomfortable