GM T87A TCM Services - Upgrade Only

HP Tuners is pleased to offer upgrade services for the GM T87A TCM found in various 2017+ GM vehicles with 10-speed and 8-speed transmissions and 2015-2019 GM vehicles with the 6-speed transmission.

Choose one of three options to upgrade your TCM for tuning using VCM Suite software—Upgrade Only, Upgrade and Program, or New Upgraded TCM Purchase.

Shipping address for send-in services: HP Tuners (ATT: GM T87A TCM Service), 700 Eastwood Ln, Buffalo Grove, IL 60089