{"product_id":"gm-t46-tcm-service-global-b-c8-corvette-2020","title":"HP Tuners GM T46 TCM Service (Global B) C8 Corvette (2020+)","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eUnlock transmission tuning capabilities on your \u003cstrong\u003e2020–2026 C8 Corvette\u003c\/strong\u003e with the \u003cstrong\u003eHP Tuners GM T46 TCM Upgrade Service\u003c\/strong\u003e. Designed specifically for Corvettes equipped with the Tremec dual-clutch transmission and \u003cstrong\u003eT46 Transmission Control Module\u003c\/strong\u003e, this one-time upgrade allows the factory TCM to be licensed, read, edited, flashed, diagnosed, and data logged through HP Tuners' VCM Suite. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is a \u003cstrong\u003esend-in service for your vehicle's original TCM\u003c\/strong\u003e, not a replacement or exchange module. Once HP Tuners upgrades the controller and it is reinstalled in the vehicle, tuners gain access to supported transmission calibration functionality through VCM Editor and advanced logging through VCM Scanner. This makes the service especially valuable for modified C8s where optimizing the transmission calibration alongside the engine tune can improve the overall performance package. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHP Tuners' T46 support also enables complete \u003cstrong\u003eECM + TCM tuning workflows\u003c\/strong\u003e, allowing professional tuners to develop a more cohesive calibration package for naturally aspirated, supercharged, turbocharged, and other modified C8 Corvette applications. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eFitment Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFits \u003cstrong\u003e2020–2026 Chevrolet Corvette C8 Stingray\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFits \u003cstrong\u003e2023–2026 Chevrolet Corvette C8 Z06\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFits \u003cstrong\u003e2024–2026 Chevrolet Corvette C8 E-Ray\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFits \u003cstrong\u003e2025–2026 Chevrolet Corvette C8 ZR1\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDesigned for vehicles equipped with the \u003cstrong\u003eTremec T46 Transmission Control Module\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eRequires the vehicle's \u003cstrong\u003eoriginal TCM\u003c\/strong\u003e to be removed and sent to HP Tuners\u003c\/li\u003e\n\u003cli\u003eThis is an \u003cstrong\u003eupgrade service only\u003c\/strong\u003e — a replacement TCM is not provided\u003c\/li\u003e\n\u003cli\u003eRequires an \u003cstrong\u003eHP Tuners MPVI4\u003c\/strong\u003e interface\u003c\/li\u003e\n\u003cli\u003eRequires the latest \u003cstrong\u003eVCM Suite BETA\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eRequires \u003cstrong\u003e6 Universal Credits\u003c\/strong\u003e after the TCM has been upgraded\u003c\/li\u003e\n\u003cli\u003eUniversal Credits are sold separately. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIncluded\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne-time upgrade of your original GM T46 TCM\u003c\/li\u003e\n\u003cli\u003eHP Tuners transmission tuning access for the upgraded controller\u003c\/li\u003e\n\u003cli\u003eCompatibility with VCM Editor\u003c\/li\u003e\n\u003cli\u003eCompatibility with VCM Scanner\u003c\/li\u003e\n\u003cli\u003eSupport for RTD4 and Tune Delivery Network remote-tuning workflows. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e HP Tuners\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService:\u003c\/strong\u003e GM T46 TCM Service (Global B)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e TCM-GB-T46-U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eController:\u003c\/strong\u003e Tremec T46 TCM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e C8 Corvette Dual-Clutch Transmission\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService Type:\u003c\/strong\u003e Original-module send-in upgrade\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterface Required:\u003c\/strong\u003e MPVI4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoftware:\u003c\/strong\u003e Latest VCM Suite BETA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLicensing:\u003c\/strong\u003e 6 Universal Credits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Tuning:\u003c\/strong\u003e RTD4 \/ TDN supported\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Processing Time:\u003c\/strong\u003e Up to 10 business days after HP Tuners receives the module, excluding shipping time. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnlocks TCM Tuning\u003c\/strong\u003e – Enables supported transmission calibration editing through HP Tuners VCM Editor. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRead, Edit \u0026amp; Write Capability\u003c\/strong\u003e – Provides access to supported T46 transmission calibrations rather than limiting users to engine tuning alone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Transmission Data Logging\u003c\/strong\u003e – Use VCM Scanner for transmission diagnostics, logging, and calibration analysis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete ECM + TCM Tuning\u003c\/strong\u003e – Allows tuners to develop engine and transmission calibrations together for a more complete performance package. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Tuning Support\u003c\/strong\u003e – Compatible with HP Tuners RTD4 and Tune Delivery Network for supported remote calibration workflows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Time Controller Upgrade\u003c\/strong\u003e – Once the original TCM is upgraded and licensed, it can be tuned through HP Tuners without repeatedly sending the controller back for each calibration change. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Upgrade?\u003c\/h3\u003e\n\u003cp\u003eFor years, one of the major limitations when tuning the C8 Corvette was access to the dual-clutch transmission controller. Adding horsepower through engine modifications is only one part of the equation—the transmission calibration also plays an important role in how effectively the vehicle delivers that power.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eHP Tuners T46 TCM Upgrade Service\u003c\/strong\u003e gives tuners access to supported transmission calibration parameters so the DCT can be addressed as part of the overall vehicle calibration. That's particularly important as C8 builds progress beyond basic bolt-ons into more substantial engine modifications and higher power levels.\u003c\/p\u003e\n\u003cp\u003eIt also completes HP Tuners' expanding Global B ecosystem. Depending on the C8 model, the appropriate ECM service can be combined with the T46 TCM service to create a complete engine and transmission tuning solution. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This product does \u003cstrong\u003enot\u003c\/strong\u003e include an MPVI4, Universal Credits, or an actual custom transmission tune. It is the service required to make the factory T46 TCM accessible for supported HP Tuners calibration.\u003c\/p\u003e","brand":"HP Tuners","offers":[{"title":"Default Title","offer_id":53034887807296,"sku":"HPTTCM-GB-T46-U","price":499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0704\/7587\/4624\/files\/GM_T46_TCM_TILE-e1783437124851.png?v=1787064622","url":"https:\/\/www.forzamotorworks.com\/products\/gm-t46-tcm-service-global-b-c8-corvette-2020","provider":"Forza Motor Works","version":"1.0","type":"link"}