{"product_id":"vdiagtool-vd31","title":"VDIAGTOOL VD31 OBD2 Scanner – Key Battery Test, Full OBDII Diagnostics \u0026 Car Code Reader, Quick Smog Check, Data Playback, Upgraded VD30","description":"\u003ch2\u003e2026 VDIAGTOOL VD31 OBD2 Scanner – Upgraded VD30 with Key Battery Test \u0026amp; Smog Check\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eVDIAGTOOL VD31 is an upgraded OBD2 scanner based on VD30\u003c\/strong\u003e, designed for car owners who want reliable vehicle diagnostics \u003cstrong\u003eplus the ability to check car key battery status\u003c\/strong\u003e. This compact, plug-and-play diagnostic tool helps you quickly understand your vehicle’s condition without complicated setup or professional training.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0737\/2695\/1653\/files\/12_8d3db0da-bb70-43ec-8ee7-15542a54dfae.jpg?v=1765189064\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eHighlights of the VD31 automotive diagnostic scanner:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eComprehensive 10 OBDII tests for engine and emissions systems\u003c\/li\u003e\n\u003cli\u003eOne-click I\/M readiness and smog check\u003c\/li\u003e\n\u003cli\u003e4-in-1 live data graphing\u003c\/li\u003e\n\u003cli\u003eBuilt-in DTC definitions for easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eData playback and printable results\u003c\/li\u003e\n\u003cli\u003eWide vehicle compatibility (1996+ American, European, and Asian vehicles)\u003c\/li\u003e\n\u003cli\u003eMulti-language interface, lifetime software updates, and 2-year warranty\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cspan\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"VD31 Powerful OBD2 Scanner\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0737\/2695\/1653\/files\/10_9cbfa7d1-c130-429c-a630-0d7d1a2acb15.jpg?v=1765184859\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003e✅ Key Battery Level Test – A Smart Upgrade from VD30, VD30PRO\u003c\/h3\u003e\n\u003cp\u003eUnlike standard OBD2 code readers, \u003cstrong\u003eVD31\u003c\/strong\u003e lets you quickly check the battery level of your vehicle’s key fob, helping prevent unexpected key failures and starting issues. It’s a practical extra feature for daily drivers who rely on key fobs and want peace of mind.\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"VDIAGTOOL VD31 Key Battery Test in seconds\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0737\/2695\/1653\/files\/11_81282cf5-d576-4a92-94c7-57240d5f6511.jpg?v=1765184704\"\u003e\u003c\/div\u003e\n\u003ch3\u003e✅ Complete OBD2 Diagnostics with 10 Essential Tests\u003c\/h3\u003e\n\u003cp\u003eThis universal OBD2 scanner and code reader covers all major OBDII diagnostic functions, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReading and clearing check engine codes\u003c\/li\u003e\n\u003cli\u003eViewing freeze frame data\u003c\/li\u003e\n\u003cli\u003eChecking I\/M readiness status for emissions\u003c\/li\u003e\n\u003cli\u003eRunning on-board monitor, component, and O2 sensor tests\u003c\/li\u003e\n\u003cli\u003eAccessing vehicle information and system status\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0737\/2695\/1653\/files\/16.jpg?v=1765184983\" alt=\"VDIAGTOOL VD31 Full OBD2 Functions\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\n\u003ch3\u003e✅ Built-In DTC Lookup for Faster Understanding\u003c\/h3\u003e\n\u003cp\u003eVD31 displays fault code definitions directly on screen, eliminating the need to search codes online. This makes it an easy-to-use diagnostic tool for DIY car owners and beginners.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0737\/2695\/1653\/files\/13_a1dcd085-5cf6-4e29-9eb3-7e4be99d3ac4.jpg?v=1765189127\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e✅ Vehicle Battery Voltage Test\u003cbr data-end=\"2827\" data-start=\"2824\"\u003e\n\u003c\/h3\u003e\n\u003cp\u003eCheck the vehicle’s real-time voltage to ensure the car’s electrical system is stable before running diagnostics or repairs.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0737\/2695\/1653\/files\/17_f89e15c0-1a56-4309-b0cb-981247e0999f.jpg?v=1765189164\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e✅ One-Click Smog Check for Emissions Readiness\u003c\/h3\u003e\n\u003cp\u003eWith a single press, VD31 Smog Test Ready Scanner instantly shows I\/M readiness status, helping you confirm whether your vehicle is ready for a smog or emissions test. This makes it an ideal OBD2 scanner for smog check and inspection preparation.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0737\/2695\/1653\/files\/20_caaccf8f-6b21-415e-899d-dbcde45aae40.jpg?v=1765185191\" alt=\"VDIAGTOOL VD31 Smog Test Ready Scanner\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003ch3\u003e✅ 4-in-1 Live Data Graph for Real-Time Monitoring\u003c\/h3\u003e\n\u003cp\u003eMonitor important vehicle data such as engine RPM, fuel trim, intake air temperature, and misfire information. Up to four data streams can be displayed together in one graph, allowing quick comparison and clearer diagnosis.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0737\/2695\/1653\/files\/19_138eeb87-ca4f-4eed-bfe0-fc3c48776807.jpg?v=1765185264\"\u003e\u003c\/p\u003e\n\u003ch3\u003e✅\u003cstrong\u003e \u003c\/strong\u003eUniversal OBDII Compatibility\u003c\/h3\u003e\n\u003cp\u003eVDIAGTOOL VD31 Code Reader supports all OBDII protocols (CAN, ISO9141-2, KWP2000, J1850 PWM \u0026amp; VPW) and works with most 1996+ American, European, and Asian vehicles sold in the U.S., including sedans, SUVs, trucks, and minivans.\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"float: none;\" alt=\"Supports All OBD2 Protocols\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0737\/2695\/1653\/files\/18.jpg?v=1765186227\"\u003e\u003c\/p\u003e\n\u003ch3\u003e✅Data Playback \u0026amp; Print-Friendly Results\u003cbr data-end=\"3199\" data-start=\"3196\"\u003e\n\u003c\/h3\u003e\n\u003cp\u003eReview previously recorded sessions with data playback and generate printable reports—handy for sharing with mechanics or keeping maintenance records.\u003c\/p\u003e\n\u003ch3\u003e✅ Plug-and-Play, Beginner-Friendly Design, Easy to use\u003c\/h3\u003e\n\u003cp\u003eSimply connect the VD31 to your vehi\u003cspan style=\"font-size: 0.875rem;\"\u003ecle’s OBD-II port and start scanning. The device automatically identifies vehicle information with no presets or complicated steps, making it a reliable OBD2 scanner for DIY car owners and beginners.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"font-size: 0.875rem;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0737\/2695\/1653\/files\/14_67483700-b72f-4224-9afe-68d525d1586b.jpg?v=1765188015\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0737\/2695\/1653\/files\/22_b06d78c0-9dff-47cc-b3fb-52e936d242e0.jpg?v=1765188871\" alt=\"\" style=\"font-size: 0.875rem;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0737\/2695\/1653\/files\/15.jpg?v=1765187970\"\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"228\" data-end=\"254\"\u003eWhy Buy VDIAGTOOL VD31 Car Code Reader From Us?\u003c\/h3\u003e\n\u003cp data-start=\"256\" data-end=\"428\"\u003e✅ 100% Genuine VDIAGTOOL Products\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"430\" data-end=\"600\"\u003e✅ Direct Shipping from Brand Warehouse\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"430\" data-end=\"600\"\u003e✅Free Shipping \u0026amp; 24-Hour Fast Order Processing\u003c\/p\u003e\n\u003cp data-start=\"602\" data-end=\"811\"\u003e✅ Professional Pre-Sale and After-Sale Support\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"813\" data-end=\"1005\"\u003e✅ Official 2-Year Warranty \u0026amp; Free Updates\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"813\" data-end=\"1005\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0737\/2695\/1653\/files\/21_95fbda66-0c42-46a8-b221-f1edd61f595d.jpg?v=1765187874\"\u003e\u003c\/p\u003e\n\u003cp\u003eVDIAGTOOL VD31 OBD2 Code Reader is the ideal balance between everyday diagnostics and smart convenience, perfect for drivers who want more than a basic OBD2 reader without moving to expensive professional tools.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"VDIAGTOOL","offers":[{"title":"Default Title","offer_id":48041550708965,"sku":"VDT071","price":52.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/2695\/1653\/files\/vdiagtool-vd31-obd2-scanner-key-battery-test-full-obdii-diagnostics-car-code-reader-quick-smog-check-data-playback-free-lifetime-updates-upgraded-vd30code-reade-8959408.png?v=1765262473","url":"https:\/\/acartool.com\/ar\/products\/vdiagtool-vd31","provider":"Acartool One-Stop Auto Diagnostic Shop","version":"1.0","type":"link"}