Built for GM platforms using the T87A transmission controller, the HP Tuners TCM-00-T87A applies the same modification found across the HP Tuners TCM lineup: physical alteration of the write-protected factory unit to enable transmission-side calibration in VCM Editor. It is intended for 2017-and-later Duramax diesel applications running the T87A TCM.

HP Tuners TCM-00-T87A Compatibility Notes:

• Matched specifically to GM T87A transmission control applications on 2017 and later Duramax diesel trucks.
• Requires installation by a qualified tuner familiar with TCM replacement and configuration.

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