{"product_id":"hpt-gm-e46-non-global-b-ecm-upgrade-vin-original-ecm-required","title":"HPT GM E46 Non-Global B ECM Upgrade (ECM UNLOCK) (*VIN \u0026 Original ECM Required*)","description":"\u003ch2\u003eOpen the Door to Custom Tuning for Your 3.0L Duramax\u003c\/h2\u003e\u003cp\u003eYour LM2-powered truck deserves a calibration built around your goals. The \u003cstrong\u003eHP Tuners GM E46 Non-Global B ECM Upgrade\u003c\/strong\u003e prepares your original engine controller for custom tuning with VCM Editor, giving your tuner access to the tools needed to develop a calibration for your specific truck.\u003c\/p\u003e\u003cp\u003eThis is a \u003cstrong\u003eone-time, send-in unlock service\u003c\/strong\u003e. Your original E46 ECM is upgraded and returned to you for reinstallation and licensing. It is the starting point for custom tuning, not a preloaded performance tune or a replacement computer.\u003c\/p\u003e\u003ch3\u003eBuilt for These Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2020–2022 Chevrolet Silverado 1500:\u003c\/strong\u003e 3.0L Duramax diesel, LM2 engine, non-Global B electronics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2020–2022 GMC Sierra 1500:\u003c\/strong\u003e 3.0L Duramax diesel, LM2 engine, non-Global B electronics.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eVerify your VIN, engine, controller, and electrical architecture before ordering.\u003c\/strong\u003e The year range does not mean every 2022 truck is compatible. Global B\/facelift trucks are outside this non-Global B service. HP Tuners specifically states that Chevrolet Suburban LM2 applications are not covered by its E46 support. Do not assume compatibility with other vehicles simply because they use a 3.0L diesel.\u003c\/p\u003e\u003ch3\u003eWhy Upgrade Your E46?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnable custom calibration:\u003c\/strong\u003e Unlock the controller access required to use VCM Editor for tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetain your original ECM:\u003c\/strong\u003e Have your own controller serviced rather than purchasing a replacement unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep diagnostic functionality:\u003c\/strong\u003e VCM Scanner, dealer diagnostics, and other diagnostic tools continue to function normally.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupport your next tuning step:\u003c\/strong\u003e Give your tuner the access needed to develop a calibration suited to your vehicle and setup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat You Need\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eYour VIN and original, fully functional E46 ECM, removed and shipped for servicing.\u003c\/li\u003e\n\u003cli\u003eA compatible HP Tuners MPVI2, MPVI2+, MPVI3, or MPVI4 interface, sold separately.\u003c\/li\u003e\n\u003cli\u003eThe latest version of VCM Suite BETA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6 Universal Credits\u003c\/strong\u003e for ECM licensing, sold separately.\u003c\/li\u003e\n\u003cli\u003eA suitable custom calibration, arranged separately.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eImportant Service Details\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eNo tuning interface, licensing credits, replacement ECM, or performance tune is included.\u003c\/strong\u003e Unlocking the ECM enables tuning access; it does not add power by itself. Any transmission-controller work or licensing is separate.\u003c\/p\u003e\u003cp\u003eYour ECM must have no physical or internal damage. Controllers with broken tabs or connectors are not accepted for upgrades. This service does not reprogram an ECM for a different VIN; a spare controller retains the programming it arrived with and may require additional dealer programming to operate in your truck.\u003c\/p\u003e\u003cp\u003ePlan for vehicle downtime while your controller is away. Following the upgrade, HP Tuners specifies that other tuning or calibration tools cannot be used with this E46 ECM, excluding dealer reflash tools.\u003c\/p\u003e","brand":"797 Offroad","offers":[{"title":"Default Title","offer_id":48956492677281,"sku":"HPTECM-00-E46-U","price":399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/9905\/1937\/files\/90ccb9061a9a13052e6750c76792239aL.png?v=1794370969","url":"https:\/\/www.davescustomparts.com\/products\/hpt-gm-e46-non-global-b-ecm-upgrade-vin-original-ecm-required","provider":"Dave's Custom Parts","version":"1.0","type":"link"}