Ignitions and Electrical› Computers, Chips, Modules and Programmers

HP Tuners

New GM Unlocked T87A TCMs Service# 24289543 (MUST CALL TO PLACE ORDER)

$399.99

SKU: H007 TCM-00-T87A-1

In Stock
In Stock
Ships by Jun 14
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The HP Tuners TCM-00-T87A-1 is an upgraded/unlocked Transmission Control Module (TCM) for various GM vehicles, enabling tuning and modification of transmission parameters. For 2017+ Chevrolet Silverado/GMC Sierra 6.6L Duramax (L5P), direct installation is possible. Other vehicles may require a "Replace TCM" special function in VCM Scanner.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandHP Tuners
Part NumberH007 TCM-00-T87A-1

Videos

2018 Cadillac ATS TCM Removal & Instal HP Tuners Unlock Service for GM T87A TCM. Tune next!

2018 Cadillac ATS TCM Removal & Instal HP Tuners Unlock Service for GM T87A TCM. Tune next!
Installing an HPtuners Unlocked TCM into a GM Truck

Installing an HPtuners Unlocked TCM into a GM Truck
Everything you need to know about HP Tuners' ECM and PCM Services

Everything you need to know about HP Tuners' ECM and PCM Services
Camaro TCM Removal and unlocked with HPTUNNERS

Camaro TCM Removal and unlocked with HPTUNNERS
HOW TO TUNE 10 Speed L5P Duramax Transmission! 2020-2023 Duramax

HOW TO TUNE 10 Speed L5P Duramax Transmission! 2020-2023 Duramax
Remove TCM Transmission Control module Install unlocked TCM on 2018 Cadillac ATS 2 0T

Remove TCM Transmission Control module Install unlocked TCM on 2018 Cadillac ATS 2 0T
Testing the New EDGE EVO HT2 for 2020 - 2022 L5P Duramax! [Unlocks & Tunes ECM & TCM!!]

Testing the New EDGE EVO HT2 for 2020 - 2022 L5P Duramax! [Unlocks & Tunes ECM & TCM!!]

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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