Find quality GMC Hummer-Ev-Suv transmission computer (also known as TCM, TCU, TRANSMISSION-CONTROL-MODULE) parts at unbeatable prices. Save 50-70% compared to dealership prices.
Need a Transmission Computer GMC Hummer-Ev-Suv? Car Parts Finder USA searches thousands of sellers to find the best transmission computer at the lowest prices with guaranteed fitment.
The Transmission Computer (TCM/TCU) controls automatic transmission shifting, torque converter lockup, and gear selection. A failing TCM causes harsh shifting, stuck gears, limp mode, and transmission warning lights. The Transmission Computer (also known as TCM, TCU, TRANSMISSION-CONTROL-MODULE) is a critical component for your GMC Hummer-Ev-Suv.
Know when your Hummer-Ev-Suv transmission computer needs replacement:
TCM replacement typically requires programming to match your vehicle. Some used TCMs from identical vehicles may work plug-and-play. The TCM is often located on or near the transmission, or inside the vehicle near the ECU. Always verify programming requirements before purchase.
$100-$350
$200-$500
$400-$1,000
Shop eBay and online sellers for Hummer-Ev-Suv transmission computer parts with fast shipping nationwide.
Shop OnlineFind professional salvage yards near you with tested Hummer-Ev-Suv transmission computer parts and warranties.
Search PartsPull your own Hummer-Ev-Suv transmission computer at self-service junkyards for maximum savings.
Find JunkyardsDon't see your part? Use the search above to find all 700+ parts
Can’t find the GMC Hummer-Ev-Suv Transmission Computer part you need? Search our full database of listings.
Browse All Listings