{"product_id":"gdp-mpvi4-e66-global-b-tune-files-2021-2026-duramax-lm2-3-0l","title":"GDP MPVI4 E66 (Global B) Tune Files (2021-2025 Duramax LM2 3.0L)","description":"\u003ch2 data-end=\"374\" data-start=\"304\"\u003e\u003cstrong data-end=\"374\" data-start=\"306\"\u003eGDP MPVI4 E66 (Global B) Tune Files (2021–2026 Duramax LM2 3.0L)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-end=\"722\" data-start=\"376\"\u003eThe GDP MPVI4 E66 (Global B) Tune Files are designed specifically for the 2021–2026 3.0L Duramax LM2 engine. These calibrations work with the newer E66 ECM found in GM’s Global B platform and require an ECM unlock service before tuning can begin. Once unlocked, the files are applied using the MPVI4 interface and six HP Tuners Universal Credits.\u003c\/p\u003e\n\u003cp data-end=\"824\" data-start=\"724\"\u003eThis file package provides two selectable levels built for everyday drivability and steady response:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"847\" data-start=\"828\"\u003e\n\u003cstrong data-end=\"840\" data-start=\"828\"\u003eLevel 1:\u003c\/strong\u003e 0 HP\u003c\/li\u003e\n\u003cli data-end=\"871\" data-start=\"850\"\u003e\n\u003cstrong data-end=\"862\" data-start=\"850\"\u003eLevel 2:\u003c\/strong\u003e +20 HP\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1043\" data-start=\"873\"\u003eBoth options are designed for LM2 owners who want cleaner throttle control and more consistent torque without altering factory behavior outside the ECM’s supported range.\u003c\/p\u003e\n\u003chr data-end=\"1048\" data-start=\"1045\"\u003e\n\u003ch2 data-end=\"1069\" data-start=\"1050\"\u003e\u003cstrong data-end=\"1069\" data-start=\"1053\"\u003eRequirements\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-end=\"1118\" data-start=\"1072\"\u003e\n\u003cstrong data-end=\"1098\" data-start=\"1072\"\u003eE66 ECM unlock service\u003c\/strong\u003e (sold separately)\u003c\/li\u003e\n\u003cli data-end=\"1174\" data-start=\"1121\"\u003e\n\u003cstrong data-end=\"1154\" data-start=\"1121\"\u003e6 HP Tuners Universal Credits\u003c\/strong\u003e (sold separately)\u003c\/li\u003e\n\u003cli data-end=\"1222\" data-start=\"1177\"\u003e\u003cstrong data-end=\"1220\" data-start=\"1177\"\u003eMPVI4 or compatible HP Tuners interface\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1227\" data-start=\"1224\"\u003e\n\u003ch2 data-end=\"1270\" data-start=\"1229\"\u003e\u003cstrong data-end=\"1270\" data-start=\"1232\"\u003eSupported Platforms (E66 Global B)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-end=\"1355\" data-start=\"1271\"\u003eThese tune files apply to LM2-powered vehicles equipped with the E66 ECM, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"1410\" data-start=\"1359\"\u003e2022–2026 \u003cstrong data-end=\"1408\" data-start=\"1371\"\u003eChevrolet Silverado 1500 3.0L LM2\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1455\" data-start=\"1413\"\u003e2022–2026 \u003cstrong data-end=\"1453\" data-start=\"1425\"\u003eGMC Sierra 1500 3.0L LM2\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1501\" data-start=\"1458\"\u003e2021–2026 \u003cstrong data-end=\"1499\" data-start=\"1468\"\u003eChevrolet Suburban 3.0L LM2\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1544\" data-start=\"1504\"\u003e2021–2026 \u003cstrong data-end=\"1542\" data-start=\"1514\"\u003eChevrolet Tahoe 3.0L LM2\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1581\" data-start=\"1547\"\u003e2021–2026 \u003cstrong data-end=\"1579\" data-start=\"1557\"\u003eGMC Yukon 3.0L LM2\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1626\" data-start=\"1584\"\u003e2022.5–2026 \u003cstrong data-end=\"1624\" data-start=\"1594\"\u003eCadillac Escalade 3.0L LZO\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1631\" data-start=\"1628\"\u003e\n\u003ch2 data-end=\"1655\" data-start=\"1633\"\u003e\u003cstrong data-end=\"1655\" data-start=\"1636\"\u003eWhat’s Included\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-end=\"1699\" data-start=\"1658\"\u003eGDP tune files for the E66 Global B ECM\u003c\/li\u003e\n\u003cli data-end=\"1743\" data-start=\"1702\"\u003eLevel 1 and Level 2 calibration options\u003c\/li\u003e\n\u003cli data-end=\"1798\" data-start=\"1746\"\u003eFile delivery through the HP Tuners MPVI4 platform\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1803\" data-start=\"1800\"\u003e\n\u003cp data-end=\"2039\" data-start=\"1805\"\u003eThese GDP MPVI4 E66 (Global B) Tune Files give LM2 owners a clean calibration path for the modern Global B control system. With the proper unlock and credits, the LM2 responds smoothly and consistently with either power level applied.\u003c\/p\u003e","brand":"GDP","offers":[{"title":"MPVI4 \/ MPVI3 \/ Single Tune","offer_id":42230057730071,"sku":"200-02102","price":1000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/6826\/8311\/files\/MPVi3E66GDP.webp?v=1748445340","url":"https:\/\/dieselrcorp.ca\/products\/gdp-mpvi4-e66-global-b-tune-files-2021-2026-duramax-lm2-3-0l","provider":"DIESELR Corp.","version":"1.0","type":"link"}