{"product_id":"autool-24v-12v-transformator-obd2-adapter","title":"Autool | Transformer (24V\/12V) OBD2 Adapter | Accessories","description":"\u003cdiv style=\"font-family:sans-serif; line-height:1.6; color:#374151; font-size:15px;\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eAutool 24V\/12V voltage converter OBD2 adapter\u003c\/strong\u003e is a power transformer that converts the \u003cstrong\u003e24V vehicle power supply\u003c\/strong\u003e from trucks, buses and other heavy-duty vehicles to \u003cstrong\u003e12V\u003c\/strong\u003e. This allows a 12V diagnostic scanner to be safely connected to vehicles with a 24V electrical system, without risk of damage to the interface or diagnostic device.\u003c\/p\u003e\n\u003cp\u003eTrucks, buses, tractors and many commercial vehicles use a 24V electrical system, while most consumer and semi-professional diagnostic tools are designed for 12V systems. Without a voltage converter, connecting a 12V interface to a 24V port can result in \u003cstrong\u003eoverheating, short circuits or permanent damage\u003c\/strong\u003e to the electronics. This adapter protects your investment in diagnostic equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:20px; margin:30px 0; align-items:stretch;\"\u003e\n\u003cdiv style=\"flex:1; min-width:250px; background:#ffffff; border:1px solid #e5e7eb; border-radius:8px; padding:20px;\"\u003e\n\u003ch3 style=\"color:#166534; text-transform:uppercase; font-size:13px; font-weight:800; border-bottom:2px solid #22c55e; padding-bottom:10px; margin-top:0;\"\u003eKEY BENEFITS\u003c\/h3\u003e\n\u003cdiv style=\"display:flex; align-items:flex-start; margin-bottom:12px;\"\u003e\n\u003cspan style=\"color:#16a34a; font-weight:900; margin-right:10px; font-size:16px;\"\u003e✔\u003c\/span\u003e\u003cspan style=\"font-size:14px; color:#4b5563; line-height:1.6;\"\u003e\u003cstrong\u003eProtects your interface\u003c\/strong\u003e — prevents damage from 24V voltage to your 12V diagnostic scanner.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; align-items:flex-start; margin-bottom:12px;\"\u003e\n\u003cspan style=\"color:#16a34a; font-weight:900; margin-right:10px; font-size:16px;\"\u003e✔\u003c\/span\u003e\u003cspan style=\"font-size:14px; color:#4b5563; line-height:1.6;\"\u003e\u003cstrong\u003eBroader compatibility\u003c\/strong\u003e — your existing 12V scanner now works on trucks, buses and tractors.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; align-items:flex-start; margin-bottom:12px;\"\u003e\n\u003cspan style=\"color:#16a34a; font-weight:900; margin-right:10px; font-size:16px;\"\u003e✔\u003c\/span\u003e\u003cspan style=\"font-size:14px; color:#4b5563; line-height:1.6;\"\u003e\u003cstrong\u003ePlug-and-play\u003c\/strong\u003e — ready to use via OBD2, no software or configuration needed.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:250px; background:#ffffff; border:1px solid #e5e7eb; border-radius:8px; padding:20px;\"\u003e\n\u003ch3 style=\"color:#991b1b; text-transform:uppercase; font-size:13px; font-weight:800; border-bottom:2px solid #ef4444; padding-bottom:10px; margin-top:0;\"\u003eIMPORTANT NOTES\u003c\/h3\u003e\n\u003cdiv style=\"display:flex; align-items:flex-start; margin-bottom:12px;\"\u003e\n\u003cspan style=\"color:#dc2626; font-weight:900; margin-right:10px; font-size:16px;\"\u003e✕\u003c\/span\u003e\u003cspan style=\"font-size:14px; color:#4b5563; line-height:1.6;\"\u003e\u003cstrong\u003e24V\/12V conversion only\u003c\/strong\u003e — do not use on standard 12V vehicles.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; align-items:flex-start; margin-bottom:12px;\"\u003e\n\u003cspan style=\"color:#dc2626; font-weight:900; margin-right:10px; font-size:16px;\"\u003e✕\u003c\/span\u003e\u003cspan style=\"font-size:14px; color:#4b5563; line-height:1.6;\"\u003e\u003cstrong\u003eSoftware must support 24V protocols\u003c\/strong\u003e — only voltage is converted, not protocols.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; align-items:flex-start; margin-bottom:12px;\"\u003e\n\u003cspan style=\"color:#dc2626; font-weight:900; margin-right:10px; font-size:16px;\"\u003e✕\u003c\/span\u003e\u003cspan style=\"font-size:14px; color:#4b5563; line-height:1.6;\"\u003e\u003cstrong\u003eOBD2-equipped vehicles only\u003c\/strong\u003e — older trucks with different connectors require an adapter cable.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr style=\"border:0; border-top:1px solid #e5e7eb; margin:40px 0;\"\u003e\n\u003ch2 style=\"border-left:5px solid #006aff; padding-left:15px; font-weight:800;\"\u003eApplication and functionality\u003c\/h2\u003e\n\u003cp\u003eThe transformer acts as an interface between the OBD2 port of a 24V vehicle and a 12V diagnostic scanner.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage conversion:\u003c\/strong\u003e Converts the 24V power supply from the OBD2 port to a stable 12V output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronics protection:\u003c\/strong\u003e Prevents overheating, burnout or permanent damage to your diagnostic device.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData communication preserved:\u003c\/strong\u003e The data lines (CAN, K-Line) pass through unchanged; only the power line (pin 16) is converted.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-play operation:\u003c\/strong\u003e Connect the adapter to the vehicle's OBD2 port and plug your diagnostic scanner into the other end.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"border:0; border-top:1px solid #e5e7eb; margin:40px 0;\"\u003e\n\u003ch2 style=\"border-left:5px solid #006aff; padding-left:15px; font-weight:800;\"\u003eWhy choose a 24V\/12V converter?\u003c\/h2\u003e\n\u003cp\u003eMost passenger cars and light commercial vehicles operate on a \u003cstrong\u003e12V electrical system\u003c\/strong\u003e. However, large commercial vehicles such as trucks, buses, and tractors use a \u003cstrong\u003e24V system\u003c\/strong\u003e, which consists of two 12V batteries connected in series. This higher voltage is necessary to power heavy-duty starter motors and operate large electrical consumers.\u003c\/p\u003e\n\u003cp\u003eConsumer and semi-professional diagnostic scanners are typically designed for 12V operation. If you connect a 12V scanner directly to a 24V port without a converter, the \u003cstrong\u003epower supply line\u003c\/strong\u003e (pin 16) can damage the internal electronics. This transformer allows 24V to pass through the data lines (for communication) while reducing the power supply to 12V — your scanner works as intended, without risk.\u003c\/p\u003e\n\u003chr style=\"border:0; border-top:1px solid #e5e7eb; margin:40px 0;\"\u003e\n\u003ch2 style=\"border-left:5px solid #006aff; padding-left:15px; font-weight:800;\"\u003eCompatible vehicles\u003c\/h2\u003e\n\u003cp\u003eThis adapter is designed for vehicles with a \u003cstrong\u003e24V electrical system\u003c\/strong\u003e and a standard \u003cstrong\u003e16-pin OBD2 diagnostic port\u003c\/strong\u003e. Examples include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrucks\u003c\/strong\u003e (including DAF, MAN, Mercedes-Benz Actros, Scania, Volvo Trucks, Iveco)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuses\u003c\/strong\u003e (city, coach, and school buses)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAgricultural tractors\u003c\/strong\u003e with OBD2 and 24V systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction equipment\u003c\/strong\u003e and other heavy-duty vehicles with OBD2 diagnostics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"background:#fff7ed; border-left:4px solid #f97316; padding:15px; margin:25px 0; font-size:14px; color:#9a3412; border-radius:0 6px 6px 0; display:flex; align-items:flex-start;\"\u003e\n\u003cspan style=\"font-size:20px; margin-right:12px;\"\u003e⚠️\u003c\/span\u003e\u003cdiv\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e This converter only adjusts the voltage. For complete diagnostics on a 24V vehicle, your scanner must also support the correct diagnostic protocols (such as SAE J1939 for commercial vehicles). Check your scanner's software specifications beforehand.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr style=\"border:0; border-top:1px solid #e5e7eb; margin:40px 0;\"\u003e\n\u003ch2 style=\"border-left:5px solid #006aff; padding-left:15px; font-weight:800;\"\u003ePackage contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Autool 24V\/12V Transformer OBD2 Adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"border:0; border-top:1px solid #e5e7eb; margin:40px 0;\"\u003e\n\u003ch2 style=\"border-left:5px solid #006aff; padding-left:15px; font-weight:800;\"\u003eTechnical specifications\u003c\/h2\u003e\n\u003cstyle\u003etable.specs-table{width:100%;border-collapse:collapse}table.specs-table th,table.specs-table td{border:1px solid #ccc;padding:10px;vertical-align:top;text-align:left}table.specs-table th{background-color:#f8f8f8;font-weight:bold;width:25%;white-space:nowrap}\u003c\/style\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24V\/12V Transformer (voltage converter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle-side connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16-pin OBD2 (J1962) male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDevice-side connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16-pin OBD2 (J1962) female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower line only (pin 16) converted; data lines passed through\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTarget vehicles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTrucks, buses, tractors and other heavy-duty vehicles with OBD2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Autool","offers":[{"title":"Default","offer_id":51271446495539,"sku":"MMT2118533 \/ 3.52","price":14.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0912\/5874\/9235\/files\/Autool-Transformator-24V12V-OBD2-Adapter-Accessoires.webp?v=1780308769","url":"https:\/\/www.astools.eu\/es\/products\/autool-24v-12v-transformer-obd2-adapter","provider":"AsTools","version":"1.0","type":"link"}