{"product_id":"instant-power-restore-heavy-duty-truck-diagnostic-tool-for-engine-limp-mode-derate-code-clearing","title":"INSTANT POWER RESTORE: Heavy-Duty Truck Diagnostic Tool for Engine Limp Mode (Derate) \u0026 Code Clearing","description":"\u003ch3 data-path-to-node=\"8\"\u003e\u003cb\u003eSTOP THE DERATE. RESTORE FULL POWER.\u003c\/b\u003e\u003c\/h3\u003e\n\u003cdiv dir=\"ltr\" aria-busy=\"false\" aria-live=\"polite\" id=\"model-response-message-contentr_cf1b2863692443a6\" class=\"markdown markdown-main-panel enable-updated-hr-color\"\u003e\n\u003cp data-path-to-node=\"9\"\u003eAre you stuck in \u003cb\u003eEngine Limp Mode (Derate)\u003c\/b\u003e due to a non-emissions fault like low oil pressure, high coolant temperature, or a sensor failure?\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003eMost trucks will keep you speed-limited until the Engine Control Module (ECM) is manually reset. Don't pay a dealer $300+ just for a code clear!\u003c\/p\u003e\n\u003cp data-path-to-node=\"11\"\u003eThis diagnostic tool for your truck is engineered to perform the critical code-clearing function (DM1) instantly, allowing you to \u003cb\u003erestore full engine power and exit Limp Mode\u003c\/b\u003e the moment you fix the underlying issue. It’s the fastest way to get your truck back on the road.\u003c\/p\u003e\n\u003cp data-start=\"653\" data-end=\"850\"\u003e\u003cstrong data-start=\"653\" data-end=\"699\"\u003ePerfect Compatibility with your truck\/engine. \u003c\/strong\u003eSimply choose your brand and model from the drop down boxes above when ordering. \u003c\/p\u003e\n\u003chr data-path-to-node=\"12\"\u003e\n\u003ch3 data-path-to-node=\"12\"\u003eCommon Derate Codes You Can Clear Immediately\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb\u003eLow Engine Oil Pressure:\u003c\/b\u003e The system derates to prevent catastrophic bearing failure. \u003ci style=\"font-size: 0.875rem;\"\u003e(Associated SPN: 100)\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb\u003eHigh Engine Coolant Temperature:\u003c\/b\u003e The system derates to prevent severe overheating, warped cylinder heads, or head gasket failure. \u003ci style=\"font-size: 0.875rem;\"\u003e(Associated SPN: 110)\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e\u003cb\u003eLow Engine Coolant Level:\u003c\/b\u003e The system derates because components are not being properly cooled. \u003ci style=\"font-size: 0.875rem;\"\u003e(Associated SPN: 111)\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e\u003cb\u003e\u003cspan class=\"citation-3\"\u003eHigh Fuel Rail Pressure \/ Low Fuel Rail Pressure:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-3 citation-end-3\"\u003e Extreme pressure deviations can damage the fuel system or lead to dangerous lean\/rich conditions.\u003cspan style=\"font-size: 11.6667px;\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003ci style=\"font-size: 0.875rem;\"\u003e(Associated SPNs: e.g., 157)\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0\"\u003e\u003cb\u003eThrottle Position Sensor (APPS) Signal Loss:\u003c\/b\u003e If the ECM can't reliably read the driver's throttle input, it may default to a severe derate (low idle) for safety. \u003ci style=\"font-size: 0.875rem;\"\u003e(Associated SPN: 91)\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,2,0\"\u003e\u003cb\u003eOver-Boost \/ Under-Boost Condition:\u003c\/b\u003e A serious turbocharger fault (over-boosting can cause engine damage; under-boosting affects efficiency\/emissions).\u003ci style=\"font-size: 0.875rem;\"\u003e\u003cspan class=\"citation-2 citation-end-2\"\u003e\u003c\/span\u003e\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,0,0\"\u003e\u003cb\u003e\u003cspan class=\"citation-2\"\u003eCamshaft Position Sensor Fault:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-2 citation-end-2\"\u003e Loss of this signal makes accurate fuel injection and timing impossible. \u003c\/span\u003e\u003ci style=\"font-size: 0.875rem;\"\u003e(Associated SPN: 606)\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,1,0\"\u003e\u003cb\u003eCrankshaft Position Sensor Fault:\u003c\/b\u003e Loss of this signal prevents the ECM from knowing the position of the engine stroke, often resulting in a shutdown or severe derate. \u003ci\u003e(Associated SPN: 190 or 723)\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"12\"\u003e\n\u003ch3 data-path-to-node=\"12\"\u003e\u003cb\u003eComprehensive Fault Code Coverage (DM1 \u0026amp; DM2)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"13\"\u003eThis tool will cover a wide range of fault codes found on your truck, supporting both:\u003c\/p\u003e\n\u003cul data-path-to-node=\"14\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,0,0\"\u003e\u003cb\u003eActive Codes (DM1):\u003c\/b\u003e Issues currently affecting performance or triggering warning lights (these are the codes that put you in Limp Mode).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,1,0\"\u003e\u003cb\u003eLogged Codes (DM2):\u003c\/b\u003e Historical faults stored in the system, perfect for preventative maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0260\/8549\/0785\/files\/scree2.jpg?v=1750164344\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch4 data-path-to-node=\"15\"\u003e\u003cb\u003eSome of the Critical Faults It Detects (Including Derate Triggers):\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp data-path-to-node=\"16\"\u003e\u003cb\u003eEngine Faults\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"17\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,0,0\"\u003eEngine oil pressure too low or too high\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,1,0\"\u003eCoolant temperature outside normal range (too high or too low)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,2,0\"\u003eIntake manifold temperature excessively elevated\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,3,0\"\u003eTorque limiting (engine-derate) engaged\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,4,0\"\u003eFuel rail pressure below required threshold\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,5,0\"\u003eTurbo boost pressure exceeding safe limits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"18\"\u003e\u003cb\u003eEmissions \u0026amp; After-Treatment \u003c\/b\u003e\u003cem\u003e(note it clears these codes but does not run DPF regen or bi directionals required prior to clearing, you will need a DPF regen capable scanner from us for that)\u003c\/em\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"19\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,0,0\"\u003eDPF soot accumulation beyond allowable level\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,1,0\"\u003eAfter-treatment system fault detected\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,2,0\"\u003eDEF pressure too low (on models equipped with DEF)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"20\"\u003e\u003cb\u003eElectrical, Sensor \u0026amp; Communication Failures\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"21\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,0,0\"\u003eBattery voltage outside acceptable range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,1,0\"\u003eCrankshaft speed sensor fault\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,2,0\"\u003eCAN communication error\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,3,0\"\u003eAccelerator pedal signal out of range or abnormal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAs well as transmission, brakes, chassis and more...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0260\/8549\/0785\/files\/coverage.jpg?v=1764743443\"\u003e\u003c\/p\u003e\n\u003chr data-path-to-node=\"22\"\u003e\n\u003ch3 data-path-to-node=\"23\"\u003e\u003cb\u003e📊 Live Data Parameters (Proactive Maintenance)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"24\"\u003eMonitor key engine, fuel, electrical, and system metrics in real-time to prevent issues \u003ci\u003ebefore\u003c\/i\u003e they cause a breakdown:\u003c\/p\u003e\n\u003cul data-path-to-node=\"25\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"25,0,0\"\u003eEngine Speed (RPM)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"25,1,0\"\u003eCoolant Temperature\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"25,2,0\"\u003eOil Pressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"25,3,0\"\u003eFuel Rate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"25,4,0\"\u003eTurbo\/Intake Manifold Pressure \u0026amp; Temperature\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"25,5,0\"\u003eBattery Voltage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"25,6,0\"\u003eEngine Hours\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"25,7,0\"\u003eTransmission Gear Position (on supported models)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e...and more.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"26\"\u003e\n\u003ch3 data-path-to-node=\"27\"\u003e\u003cb\u003e📦 What’s Included\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"28\"\u003eEverything you need to get started right out of the box:\u003c\/p\u003e\n\u003cul data-path-to-node=\"29\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"29,0,0\"\u003e1 × Diagnostic Scan Tool for your truck\/engine \u003cem\u003e\u003cstrong\u003e(Choose your specific model from the drop down boxes above)\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"29,1,0\"\u003e1 × USB cable and User Manual\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"29,2,0\"\u003e1 x \u003cb\u003eOBD2, 6 pin, and 9 pin connections\u003c\/b\u003e for complete compatibility with your model.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"26\"\u003e\n\u003cp data-start=\"3295\" data-end=\"3422\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cem\u003e\u003cstrong\u003eSelect your model using the dropdown above and then click “Add to Cart” to get your diagnostic scanner.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3295\" data-end=\"3422\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cem\u003e\u003cstrong\u003eFREE SHIPPING to all US.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003c!----\u003e\u003c\/p\u003e","brand":"Lawn \u0026 Tractor Co.","offers":[{"title":"1998","offer_id":42669754318945,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"1999","offer_id":42669754351713,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2000","offer_id":42669754384481,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2001","offer_id":42669754417249,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2002","offer_id":42669754450017,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2003","offer_id":42669754482785,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2004","offer_id":42669754515553,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2005","offer_id":42669754548321,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2006","offer_id":42669754581089,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2007","offer_id":42669754613857,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2008","offer_id":42669754646625,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2009","offer_id":42669754679393,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2010","offer_id":42669754712161,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2011","offer_id":42669754744929,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2012","offer_id":42669754777697,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2013","offer_id":42669754810465,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2014","offer_id":42669754843233,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2015","offer_id":42669754876001,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2016","offer_id":42669754908769,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2017","offer_id":42669754941537,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2018","offer_id":42669754974305,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2019","offer_id":42669755007073,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2020","offer_id":42669755039841,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2021","offer_id":42669755072609,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2022","offer_id":42669755105377,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2023","offer_id":42669755138145,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2024","offer_id":42669755170913,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true},{"title":"2025","offer_id":42669755203681,"sku":null,"price":189.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0260\/8549\/0785\/files\/truckscan2.jpg?v=1764743075","url":"https:\/\/www.lawntractorco.com\/products\/instant-power-restore-heavy-duty-truck-diagnostic-tool-for-engine-limp-mode-derate-code-clearing","provider":"Lawn \u0026 Tractor Co.","version":"1.0","type":"link"}