

TCM-00-T87A-1 GM T87A TCM Purchase, Serial# 24289543 (Non-17 Duramax)
HP Tuners TCM-00-T87A-1 Features:
HP Tuners GM T87A TCM purchase service for Serial #24289543 is designed for non-2017 Duramax applications and upgrades your original transmission control module to enable custom tuning through VCM Editor and VCM Suite. This is a send-in upgrade service where your factory TCM is unlocked and returned with the original programming intact, helping simplify reinstallation without requiring an IMMO relearn, crank relearn, or Replace TCM function on the stock module.Once upgraded, the T87A unlock supports deeper transmission calibration control for improved power delivery, optimized shift timing, better acceleration, enhanced drivability, and more precise RPM management. It can also help increase clutch holding capacity for higher-load use such as towing, hauling, and performance-oriented driving. Typical service turnaround is 1-3 business days after receipt by the manufacturer. Tuning GM 8-speed and 10-speed applications requires 4 GM Credits for MPVI or 4 Universal Credits for MPVI2, MPVI2+, or MPVI3 interfaces. Package dimensions are approximately 7.00 in. x 6.00 in. x 3.00 in., with an approximate shipping weight of 3 lb.
- HP Tuners TCM-00-T87A-1 upgrades the GM T87A TCM for serial #24289543 non-2017 Duramax applications, unlocking custom transmission tuning capability through VCM Editor and VCM Suite while retaining the original module programming.
- This send-in upgrade service is designed for GM 8-speed and 10-speed transmission applications and returns the upgraded TCM ready for tuning with no IMMO Relearn, Crank Relearn, or Replace TCM function required on the original stock TCM.
- Unlocked tuning access helps optimize shift timing, improve power delivery, refine RPM control, and increase clutch holding capacity for towing, hauling, and performance-focused driving while helping reduce transmission stress under higher loads.
- Service completion typically takes 1-3 business days after receipt by the manufacturer, and tuning requires 4 GM Credits for MPVI or 4 Universal Credits for MPVI2, MPVI2+, or MPVI3 interfaces due to the licensing requirements of the T87A platform.
- Direct fit service solution for supported GM T87A serial #24289543 non-2017 Duramax controllers.
Emissions Disclaimer
HP Tuners designs and manufactures software and hardware tools for vehicle diagnostics, scanning, logging, calibration, and data acquisition purposes. The authorized use of such tools is to bring a motor vehicle into emissions compliance and/or to maintain emissions compliance, as well as for use on competition/racing and other exempted vehicles. HP Tuners does not create or provide tunes or pre-made calibrations.
HP Tuners’ Terms of Use, policies, and agreements mandate that users shall comply with all local, state, and federal laws. In using HP Tuners software and hardware tools, you are representing, warranting, and agreeing not to use, employ or allow any HP Tuners tools to operate as a defeat device or to violate emissions compliance in any manner whatsoever. You further represent warrant and agree that the HP Tuners tools shall only be used by manufacturers, calibration businesses, and professionals to develop emissions-compliant and/or exempted calibrations.
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART




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