{"product_id":"gm-chevy-duramax-3-0l-lm2-delete-tune-only-2020-2022","title":"DEF Delete Tune | GM\/Chevy Duramax LM2 3.0L | 2020-2022","description":"\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eDEF delete tuning for Duramax LM2 2020-2022\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe 2020, 2021, 2022 GM\/Chevy Duramax LM2 DEF Delete Tune is a vehicle-specific calibration for Chevrolet Silverado 1500 and GMC Sierra 1500 diesel pickups equipped with the E46 ECM. Designed for a compatible modified exhaust and EGR configuration, it updates electronic control strategies associated with the DPF and DEF\/SCR system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eChoose Tow at +20 HP or Street at +40 HP to match your intended use. This Tune Only product provides the digital calibration; programming hardware, licensing credits, ECM upgrade service, and mechanical components are purchased separately.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eWhy Choose\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\n\u003cstrong\u003eLM2-specific calibration\u003c\/strong\u003e\u003cspan\u003e - engineered for the supported 3.0L engine and E46 controller.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\n\u003cstrong\u003eTwo power options\u003c\/strong\u003e\u003cspan\u003e - select Tow or Street to suit your workload.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\n\u003cstrong\u003eVehicle-specific preparation\u003c\/strong\u003e\u003cspan\u003e - the file uses the truck’s controller information, stock read, and modifications.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\n\u003cstrong\u003eOBD-II programming after ECM upgrade\u003c\/strong\u003e\u003cspan\u003e - install the calibration through a compatible HP Tuners interface.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\n\u003cstrong\u003eTune Only format\u003c\/strong\u003e\u003cspan\u003e - a solution for owners who already have the required programming equipment.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eVehicle Compatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv dir=\"ltr\" align=\"left\"\u003e\n\u003ctable\u003e\n\u003ccolgroup\u003e\n\u003ccol width=\"110\"\u003e\n\u003ccol width=\"503\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMake\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eChevrolet \/ GMC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eModels\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSilverado 1500 \/ Sierra 1500\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eEngine\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e3.0L Duramax LM2 turbo-diesel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eModel years\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e2020, 2021, 2022\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eBody style\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003ePickup\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eTransmission\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFactory 10-speed automatic\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eECM\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eE46, non-Global B\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003ePickup\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCompatible E46 applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCab \u0026amp; Chassis\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eNot applicable\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eExclusions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eE66 \/ Global B trucks, LZ0 engines, HD trucks, and unlisted SUV applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eApplication\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eOff-road \/ race use, subject to applicable regulations\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThis calibration fits the listed E46 applications. Verify the controller on a 2022 truck because refreshed models can use a different electronic platform. Model year alone is insufficient for selecting between E46 and E66 solutions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eComponents\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\n\u003cstrong\u003eSelected custom tune file\u003c\/strong\u003e\u003cspan\u003e - includes the Tow or Street calibration chosen when ordering. The digital file matches the supported controller, vehicle configuration, and modified emissions hardware.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThis Tune Only product contains no physical components. Installation requires a compatible HP Tuners interface, six Universal Credits for E46 licensing, an upgraded ECM, and appropriate mechanical hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eA Delete Pipe or Exhaust System, EGR Delete Kit, and ECM upgrade are separate purchases. Existing licensed equipment can be used when it meets the application requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eTuning \u0026amp; Performance\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eGM\/Chevy Duramax LM2 DEF delete tuning matches electronic operation to the modified mechanical setup. Replacement exhausts provide the physical exhaust path, while the calibration changes the corresponding aftertreatment control strategies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eRemoving DEF\/SCR equipment eliminates fluid dosing from that system. Matched DPF removal eliminates the filter that normally requires regeneration, while EGR valve operation and connections must follow the supplied application instructions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv dir=\"ltr\" align=\"left\"\u003e\n\u003ctable\u003e\n\u003ccolgroup\u003e\n\u003ccol width=\"94\"\u003e\n\u003ccol width=\"144\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eCalibration\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eAdded horsepower\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eTow\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e+20 HP\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eStreet\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e+40 HP\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eEach option is a single calibration. Changing to another file requires programming; this product does not provide SOTF switching.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCorrect tuning can improve response and power delivery. Fuel efficiency depends on load, tires, terrain, maintenance, and driving habits. Flashing does not physically remove hardware, and leaving a DPF installed with regeneration disabled can cause soot accumulation and restriction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eInstallation\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eBefore using this DEF delete tune for Duramax LM2 2020-2022, arrange the required E46 ECM upgrade. The original controller must be removed, sent for the upgrade, and reinstalled before compatible programming.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eYou will commonly need a Windows computer, compatible VCM Suite software, an HP Tuners interface, internet access, and stable battery support.\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eConfirm the VIN and E46 controller.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eComplete the ECM upgrade and reinstall the module.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eSubmit the VIN, ECM and interface serial numbers, year, tire size, modifications, InfoLog, and stock file.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eLicense the controller and receive the selected calibration.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eFollow the prescribed flashing and mechanical-installation sequence.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eVerify operation and check for faults.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eExperienced owners can perform guided programming. Professional assistance is recommended for ECM removal, mechanical work, or diagnostic problems. DEFDelete can provide remote setup guidance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eOrdering Information\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSelect Tow or Street and submit complete vehicle information. File preparation begins after the required data is received. The calibration is delivered digitally; separately purchased hardware and ECM services follow their own schedules.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMost in-stock physical orders are processed within 1–2 business days. Shipping, ECM processing, and calibration preparation are separate stages.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eContact order@defdelete.com for assistance, file issues, and applicable service or warranty terms. Custom calibrations and completed unlock services may become final sale once processing begins. Eligible unused physical products require an approved RMA within 30 days of delivery.\u003c\/span\u003e\u003c\/p\u003e","brand":"DEF Delete Shop","offers":[{"title":"Tow (+20HP)","offer_id":42754480767024,"sku":"15153","price":1189.0,"currency_code":"USD","in_stock":true},{"title":"Street (+40HP)","offer_id":42754480799792,"sku":"15154","price":1189.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/9019\/5504\/files\/760c0ea9-de25-4b59-9ca0-9b7c89f1f656.png?v=1770283994","url":"https:\/\/defdelete.com\/products\/gm-chevy-duramax-3-0l-lm2-delete-tune-only-2020-2022","provider":"Diesel Partners","version":"1.0","type":"link"}