{"product_id":"jfind-jf327-pro-elm327-bt5-1-obd2-bluetooth-felkodslasare-pic18f25k80","title":"JFIND JF327 Pro ELM327 BT5.1 – OBD2 Bluetooth Diagnostic Scanner (PIC18F25K80)","description":"\u003cdiv lang=\"sv\" class=\"product-copy\"\u003e\n\u003c!-- Kortversion (200–300 ord) --\u003e\n\u003csection id=\"sammanfattning-kort\"\u003e\n\u003ch2\u003eQuick Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eJFIND JF327 Pro ELM327 BT5.1\u003c\/strong\u003e is a compact and fast \u003cem\u003eOBD2 fault code reader\u003c\/em\u003e (ELM327 adapter) that connects wirelessly via \u003cstrong\u003eBluetooth 5.1 Low Energy\u003c\/strong\u003e to \u003cstrong\u003eAndroid\u003c\/strong\u003e, \u003cstrong\u003eiOS\u003c\/strong\u003e, and \u003cstrong\u003eWindows\u003c\/strong\u003e devices. It is built on the well-known \u003cstrong\u003ePIC18F25K80 chipset\u003c\/strong\u003e and supports all OBD-II protocols (incl. ISO9141-2, KWP2000, and CAN), making it compatible with virtually all \u003cem\u003eOBD-II compliant cars\u003c\/em\u003e (petrol from approx. 2001 and diesel from approx. 2004 in the EU; varies by make\/model). With the free \u003cstrong\u003eJFIND OBD\u003c\/strong\u003e app, you can read and clear fault codes, turn off the \u003cem\u003eCheck Engine\u003c\/em\u003e light, view \u003cem\u003elive data\u003c\/em\u003e (e.g., RPM, coolant temperature, mass air flow, fuel trim), examine freeze-frame data, and monitor sensors in real-time for troubleshooting and driving optimization.\u003c\/p\u003e\n\u003cp\u003eThe adapter is \u003cem\u003eplug-and-play\u003c\/em\u003e: plug it into the car's OBD port, pair via Bluetooth, and launch the app. Its low power consumption (approx. 35 mA active \/ 25 mA standby) and small size (43 × 25 × 30 mm) make it easy to carry in the glove compartment. In addition to the included app, it also works with many popular OBD apps (features may vary). The \u003cstrong\u003eJF327 Pro\u003c\/strong\u003e is a reliable purchase for anyone looking for an \u003cem\u003eaffordable and dependable OBD2 scanner\u003c\/em\u003e for daily troubleshooting, service preparation, and basic diagnostics of engine-related systems according to the OBD-II standard.\u003c\/p\u003e\n\u003cp\u003ePlease note that OBD-II primarily covers \u003cem\u003eengine\/emissions\u003c\/em\u003e. Access to brand-specific systems (ABS, airbag, comfort modules, etc.) depends on the car and app\/support – these often require manufacturer-specific tools. As a universal \u003cem\u003eELM327 Bluetooth adapter\u003c\/em\u003e, the JF327 Pro delivers stable communication, fast readings, and complete basic OBD functionality with a user-friendly interface via your phone, tablet, or PC.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- H1 med huvudnyckelord --\u003e\n\u003ch2 id=\"top\"\u003eJFIND JF327 Pro ELM327 BT5.1 – OBD2 Bluetooth Fault Code Reader (PIC18F25K80)\u003c\/h2\u003e\n\u003c!-- Innehållsförteckning \/ ankarlänkar --\u003e\u003cnav aria-label=\"Innehåll\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"#introduktion\"\u003eIntroduction\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#specifikationer\"\u003eSpecifications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#funktioner-anvandning\"\u003eFeatures \u0026amp; Use Cases\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#fordelar\"\u003eAdvantages\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#kompatibilitet\"\u003eCompatibility\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#manual\"\u003eInstallation \u0026amp; Manual\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tips\"\u003eTips \u0026amp; Advice\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#faq\"\u003eFrequently Asked Questions (FAQ)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#forpackning\"\u003ePackage Contents\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#ansvar\"\u003eDisclaimer \u0026amp; Important Notices\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#sammanfattning-lang\"\u003eSummary\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/nav\u003e\u003c!-- Introduktion --\u003e\n\u003csection id=\"introduktion\"\u003e\n\u003ch2\u003eIntroduction\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eOBD JF327 Pro\u003c\/strong\u003e is a \u003cem\u003euniversal OBD-II fault code reader\u003c\/em\u003e based on \u003cstrong\u003eELM327\u003c\/strong\u003e compatible technology with \u003cstrong\u003eBluetooth 5.1\u003c\/strong\u003e. The device is designed to give you quick access to your car's OBD system: reading and clearing \u003cem\u003efault codes\u003c\/em\u003e (DTCs), viewing \u003cem\u003elive data\u003c\/em\u003e, fuel trim, sensors, freeze-frame, and much more. Whether you are a hobby mechanic or a professional user who needs a convenient \u003cem\u003eOBD2 scanner\u003c\/em\u003e for everyday diagnostics, the JF327 Pro is a reliable choice.\u003c\/p\u003e\n\u003cp\u003eThe included \u003cstrong\u003eJFIND OBD\u003c\/strong\u003e app is free and offers an intuitive interface for connecting and interpreting the car's signals. Since the JF327 Pro supports all common OBD-II protocols, it works with most OBD-compatible cars. Thanks to \u003cem\u003eBLE\u003c\/em\u003e (Bluetooth Low Energy), you get stable communication, low latency, and low power consumption.\u003c\/p\u003e\n\u003cp\u003eAs an \u003cem\u003eELM327 Bluetooth adapter\u003c\/em\u003e, the JF327 Pro is an excellent first choice for identifying the causes of the \u003cem\u003eCheck Engine\u003c\/em\u003e light, preparing for service, checking sensor values before inspection, and understanding the car's operating data. The device is small, robust, and easy to use – just plug it into the OBD port, pair it, and start reading data.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- Specifikationer --\u003e\n\u003csection id=\"specifikationer\"\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e JFIND JF327 Pro ELM327 BT5.1 OBD2 Scanner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e JF327\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware Version:\u003c\/strong\u003e V1.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoftware Version (ELM):\u003c\/strong\u003e V2.1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaster Chip:\u003c\/strong\u003e PIC18F25K80\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication:\u003c\/strong\u003e Wireless Bluetooth 5.1 (BLE)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported Platforms:\u003c\/strong\u003e Android, iOS, Windows\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 9–16 V DC (vehicle's OBD power)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Current:\u003c\/strong\u003e approx. 35 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandby Current:\u003c\/strong\u003e approx. 25 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −40 °C to +85 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Humidity:\u003c\/strong\u003e \u0026lt; 60%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 43 × 25 × 30 mm (L × W × H)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctional Coverage:\u003c\/strong\u003e Full OBD-II (engine\/emissions) – read\/clear DTCs, live data, freeze-frame, etc.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree App:\u003c\/strong\u003e JFIND OBD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSupported OBD-II Protocols\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSAE J1850 PWM (41.6 kbaud)\u003c\/li\u003e\n\u003cli\u003eSAE J1850 VPW (10.4 kbaud)\u003c\/li\u003e\n\u003cli\u003eISO 9141-2 (5-baud init, 10.4 kbaud)\u003c\/li\u003e\n\u003cli\u003eISO 14230-4 KWP (5-baud init, 10.4 kbaud)\u003c\/li\u003e\n\u003cli\u003eISO 14230-4 KWP (fast init, 10.4 kbaud)\u003c\/li\u003e\n\u003cli\u003eISO 15765-4 CAN (11-bit ID, 500 kbaud)\u003c\/li\u003e\n\u003cli\u003eISO 15765-4 CAN (29-bit ID, 500 kbaud)\u003c\/li\u003e\n\u003cli\u003eISO 15765-4 CAN (11-bit ID, 250 kbaud)\u003c\/li\u003e\n\u003cli\u003eISO 15765-4 CAN (29-bit ID, 250 kbaud)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- Funktioner \u0026 användning --\u003e\n\u003csection id=\"funktioner-anvandning\"\u003e\n\u003ch2\u003eFeatures \u0026amp; Use Cases\u003c\/h2\u003e\n\u003ch3\u003eCore Functions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRead Fault Codes (DTCs)\u003c\/strong\u003e – both generic and manufacturer-specific codes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear Fault Codes\u003c\/strong\u003e and turn off the \u003cem\u003eMIL\/Check Engine\u003c\/em\u003e light once the problem is resolved.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time Live Data\u003c\/strong\u003e – e.g., RPM, coolant temp, ignition timing, fuel trim, IAT, MAP, MAF, TPS, etc.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreeze-frame Data\u003c\/strong\u003e – view snapshot at the time the fault code occurred.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel \u0026amp; Emissions Related Values\u003c\/strong\u003e – monitor system status and sensors before inspection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogging and Export\u003c\/strong\u003e (in-app): save measurement data for later analysis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Vehicle Support\u003c\/strong\u003e thanks to full protocol compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth 5.1 BLE\u003c\/strong\u003e – fast, stable, and low-power connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Use Scenarios\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIdentify why the \u003cem\u003eCheck Engine\u003c\/em\u003e light is on and get an explanation for the fault code.\u003c\/li\u003e\n\u003cli\u003eClear codes after repair and verify that the fault does not recur.\u003c\/li\u003e\n\u003cli\u003eMonitor sensors during a test drive to find intermittent faults.\u003c\/li\u003e\n\u003cli\u003ePre-inspection check: temperature, fuel trim, O2 sensors, readiness, etc.\u003c\/li\u003e\n\u003cli\u003eAnalyze fuel consumption and driving style with live data.\u003c\/li\u003e\n\u003cli\u003eTool for hobby mechanics, car enthusiasts, and small workshops for basic diagnostics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eExamples of Live Data (PIDs)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine RPM and vehicle speed\u003c\/li\u003e\n\u003cli\u003eCalculated engine load \u0026amp; fuel system status\u003c\/li\u003e\n\u003cli\u003eCoolant temperature and intake air temperature (IAT)\u003c\/li\u003e\n\u003cli\u003eIntake manifold pressure (MAP) and mass air flow (MAF)\u003c\/li\u003e\n\u003cli\u003eIgnition timing advance\u003c\/li\u003e\n\u003cli\u003eThrottle position (TPS) and absolute throttle position\u003c\/li\u003e\n\u003cli\u003eO2 sensor voltage and short\/long fuel trim\u003c\/li\u003e\n\u003cli\u003eFuel pressure and other emissions-related parameters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- Fördelar --\u003e\n\u003csection id=\"fordelar\"\u003e\n\u003ch2\u003eAdvantages – why JF327 Pro is a good choice\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAffordable and complete\u003c\/strong\u003e basic OBD function for engine\/emissions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStable hardware\u003c\/strong\u003e with PIC18F25K80 and Bluetooth 5.1 BLE.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact form factor\u003c\/strong\u003e – easy to carry and always ready in the car.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree app\u003c\/strong\u003e (JFIND OBD) with clear fault code interpretation (3000+ generic definitions).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad compatibility\u003c\/strong\u003e – works with most OBD-II cars.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast connection\u003c\/strong\u003e, low latency, and low power consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible platform support\u003c\/strong\u003e – Android, iOS, and Windows.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLooking for more ELM327 alternatives? Please see our selection of \u003ca rel=\"noopener\" href=\"https:\/\/www.felkodslasare.se\/collections\/elm327\"\u003eELM327 adapters\u003c\/a\u003e and our complete \u003ca rel=\"noopener\" href=\"https:\/\/www.felkodslasare.se\/collections\/obd2-felkodslasare\"\u003eOBD2 scanners\u003c\/a\u003e for various needs and budgets (internal links only).\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- Kompatibilitet --\u003e\n\u003csection id=\"kompatibilitet\"\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThe JF327 Pro supports all common OBD-II protocols and therefore works with OBD-II compliant cars. \u003cstrong\u003eIn Europe\u003c\/strong\u003e, petrol cars generally have OBD-II from \u003cem\u003eapprox. 2001\u003c\/em\u003e and diesel from \u003cem\u003eapprox. 2004\u003c\/em\u003e. For the USA, OBD-II applies to petrol from 1996. Some car models may have exceptions – always check the car's OBD port and model year.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote:\u003c\/em\u003e OBD-II primarily covers engine\/emissions. Access to ABS, SRS\/airbag, comfort modules, etc. usually requires brand-specific tools or apps with special support.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" aria-label=\"Kompatibilitetsexempel\" role=\"table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border-bottom: 1px solid #e5e7eb; padding: .5rem;\"\u003eMake\/System\u003c\/th\u003e\n\u003cth style=\"text-align: left; border-bottom: 1px solid #e5e7eb; padding: .5rem;\"\u003eModel\/Type\u003c\/th\u003e\n\u003cth style=\"text-align: left; border-bottom: 1px solid #e5e7eb; padding: .5rem;\"\u003eYear Range*\u003c\/th\u003e\n\u003cth style=\"text-align: left; border-bottom: 1px solid #e5e7eb; padding: .5rem;\"\u003eNote\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: .5rem;\"\u003eEuropean Petrol Cars\u003c\/td\u003e\n\u003ctd style=\"padding: .5rem;\"\u003eOBD-II\u003c\/td\u003e\n\u003ctd style=\"padding: .5rem;\"\u003e≈ 2001–\u003c\/td\u003e\n\u003ctd style=\"padding: .5rem;\"\u003eGenerally supported via ISO\/KWP\/CAN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: .5rem;\"\u003eEuropean Diesel Cars\u003c\/td\u003e\n\u003ctd style=\"padding: .5rem;\"\u003eOBD-II\u003c\/td\u003e\n\u003ctd style=\"padding: .5rem;\"\u003e≈ 2004–\u003c\/td\u003e\n\u003ctd style=\"padding: .5rem;\"\u003eGenerally supported via CAN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: .5rem;\"\u003eUS Petrol\u003c\/td\u003e\n\u003ctd style=\"padding: .5rem;\"\u003eOBD-II\u003c\/td\u003e\n\u003ctd style=\"padding: .5rem;\"\u003e1996–\u003c\/td\u003e\n\u003ctd style=\"padding: .5rem;\"\u003eAll light-duty petrol vehicles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: .5rem;\"\u003eHybrid\/EV\u003c\/td\u003e\n\u003ctd style=\"padding: .5rem;\"\u003eOBD-II (engine control\/emissions)\u003c\/td\u003e\n\u003ctd style=\"padding: .5rem;\"\u003eVaries\u003c\/td\u003e\n\u003ctd style=\"padding: .5rem;\"\u003eLimited data volume may occur\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003csmall\u003e*Approximate guidelines – always check specific vehicle.\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- Installation \u0026 manual (fullständig guide) --\u003e\n\u003csection id=\"manual\"\u003e\n\u003ch2\u003eInstallation \u0026amp; Manual 🔧\u003c\/h2\u003e\n\u003ch3\u003eBefore You Start\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePark the car safely, engage the parking brake, and turn on the ignition (position II) or start the engine as instructed by the app.\u003c\/li\u003e\n\u003cli\u003eEnsure that \u003cem\u003eBluetooth\u003c\/em\u003e is enabled on your phone\/tablet\/computer.\u003c\/li\u003e\n\u003cli\u003eDownload\/open \u003cstrong\u003eJFIND OBD\u003c\/strong\u003e (free). Search for the name in your app store if you don't already have it.\u003c\/li\u003e\n\u003cli\u003eMake sure the car's battery is sufficiently charged (for stable communication).\u003c\/li\u003e\n\u003cli\u003eLocate the car's OBD port (often under the dashboard near the driver's seat).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTools \u0026amp; Materials\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eJFIND JF327 Pro ELM327 BT5.1 adapter\u003c\/li\u003e\n\u003cli\u003eAndroid\/iOS device or Windows PC with Bluetooth\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eJFIND OBD\u003c\/em\u003e app (installed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eStep-by-step: Android\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eTurn on the car's ignition.\u003c\/li\u003e\n\u003cli\u003eConnect the JF327 Pro to the OBD port until the LED lights up.\u003c\/li\u003e\n\u003cli\u003eOpen your phone's Bluetooth settings and pair the device \u003cem\u003e\"OBDII\", \"ELM327\", \"JF327\"\u003c\/em\u003e or similar (if your Android requires manual pairing; otherwise, pairing occurs in the app).\u003c\/li\u003e\n\u003cli\u003eLaunch \u003cstrong\u003eJFIND OBD\u003c\/strong\u003e and select connection type \u003cstrong\u003eBluetooth\u003c\/strong\u003e. Select the adapter from the list.\u003c\/li\u003e\n\u003cli\u003eWait until the app indicates that the OBD protocol and ECU are identified.\u003c\/li\u003e\n\u003cli\u003eRead\/decode fault codes, view live data, and save logs as needed.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eStep-by-step: iOS (iPhone\/iPad)\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eTurn on the car's ignition and connect the JF327 Pro to the OBD port.\u003c\/li\u003e\n\u003cli\u003eOpen \u003cstrong\u003eJFIND OBD\u003c\/strong\u003e. In iOS, connection to the BLE device usually occurs \u003cem\u003ewithin\u003c\/em\u003e the app, not via the iOS Bluetooth menu.\u003c\/li\u003e\n\u003cli\u003eSelect connection type \u003cstrong\u003eBluetooth (BLE)\u003c\/strong\u003e in the app and choose your JF327 Pro from the list.\u003c\/li\u003e\n\u003cli\u003eWait for \"connected\" and for ECU\/protocol to be identified.\u003c\/li\u003e\n\u003cli\u003eStart reading codes, clearing faults, and viewing live data.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eStep-by-step: Windows Computer\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eStart the car\/ignition and connect the JF327 Pro to the OBD port.\u003c\/li\u003e\n\u003cli\u003eOpen Windows Bluetooth settings and pair the device (if the computer supports BLE\/BT5.1).\u003c\/li\u003e\n\u003cli\u003eLaunch any compatible OBD program and select the correct COM port\/BT device.\u003c\/li\u003e\n\u003cli\u003eInitiate connection and confirm that the protocol is identified correctly.\u003c\/li\u003e\n\u003cli\u003ePerform diagnostics according to the program's functions.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eBasic Functions in the App\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRead Fault Codes:\u003c\/strong\u003e Go to \"DTC\/Read Codes\" to view active and stored codes with descriptions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear Fault Codes:\u003c\/strong\u003e Select \"Clear Codes\" to turn off the MIL when the cause is fixed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLive Data:\u003c\/strong\u003e Select \"Live\/Data Stream\" to monitor real-time values. You can often log, export, and display graphs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreeze-frame:\u003c\/strong\u003e View recorded data from the time a specific DTC was registered.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReadiness\/IM Test:\u003c\/strong\u003e Check the status of the readiness monitor before inspection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTroubleshooting\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDevice not found in app:\u003c\/strong\u003e Ensure it is correctly connected and the ignition is on. Try closing\/reopening the app and enabling\/disabling Bluetooth. On Android, you may sometimes need to grant location permission for BT scanning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCannot pair in iOS settings:\u003c\/strong\u003e Select the device \u003cem\u003ewithin\u003c\/em\u003e the app (BLE devices are often paired directly in the app on iOS).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo data\/ECU found:\u003c\/strong\u003e Try starting the engine. Some cars require the engine to be running to provide data. Also, check that the car's OBD fuse is intact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnstable connection:\u003c\/strong\u003e Move the phone closer to the adapter, avoid interference sources (chargers\/USB hubs). Check that the app is updated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDTC recurs after clearing:\u003c\/strong\u003e The fault is still active. Re-read the codes, review live data, and fix the root cause before attempting to clear again.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaintenance \u0026amp; Updates\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStore the adapter in a dry and clean place. Avoid extreme temperatures outside the specified range.\u003c\/li\u003e\n\u003cli\u003eDo not leave the adapter plugged into the OBD port during long-term parking if you suspect current leakage.\u003c\/li\u003e\n\u003cli\u003eUpdate the app regularly for best compatibility and functionality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- Tips \u0026 råd --\u003e\n\u003csection id=\"tips\"\u003e\n\u003ch2\u003eTips \u0026amp; Advice 💡\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eNote down fault codes \u003cem\u003ebefore\u003c\/em\u003e clearing them so you can track history.\u003c\/li\u003e\n\u003cli\u003eUse live data during test drives to find intermittent faults (e.g., sensors that glitch due to vibration\/temperature).\u003c\/li\u003e\n\u003cli\u003eCompare short and long fuel trim to assess mixture (vacuum leaks, MAF problems, fuel pressure, etc.).\u003c\/li\u003e\n\u003cli\u003eFreeze-frame helps you see \u003cem\u003ewhat conditions\u003c\/em\u003e were present when the fault occurred (RPM, load, temp).\u003c\/li\u003e\n\u003cli\u003eFor inspection preparations: check readiness and perform a \"drive cycle\" if monitors are not ready.\u003c\/li\u003e\n\u003cli\u003eIf you often work on a specific car model: consider an app with a brand profile for advanced features (to the extent that the ELM interface is supported).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- FAQ --\u003e\n\u003csection id=\"faq\"\u003e\n\u003ch2\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003ch3\u003eDoes JF327 Pro work on my car?\u003c\/h3\u003e\n\u003cp\u003eIf the car is OBD-II compatible, the answer is usually yes. In the EU: petrol ≈ 2001→, diesel ≈ 2004→. Some exceptions may exist.\u003c\/p\u003e\n\u003ch3\u003eCan I read ABS\/airbag\/comfort modules?\u003c\/h3\u003e\n\u003cp\u003eOBD-II primarily covers engine\/emissions. Access to other systems often requires brand-specific tools or apps with special support.\u003c\/p\u003e\n\u003ch3\u003eDoes it support all OBD protocols?\u003c\/h3\u003e\n\u003cp\u003eYes, the device supports ISO9141-2, KWP2000, and CAN variants, as well as J1850 PWM\/VPW.\u003c\/p\u003e\n\u003ch3\u003eDoes it work with iPhone?\u003c\/h3\u003e\n\u003cp\u003eYes, via Bluetooth Low Energy (BLE) in the app. The connection is usually made \u003cem\u003ewithin the app\u003c\/em\u003e, not via iOS system BT.\u003c\/p\u003e\n\u003ch3\u003eWhich apps can I use?\u003c\/h3\u003e\n\u003cp\u003eIncluded: \u003cstrong\u003eJFIND OBD\u003c\/strong\u003e (free). Other ELM-compatible apps may work, but features vary per app and car.\u003c\/p\u003e\n\u003ch3\u003eCan I permanently delete fault codes?\u003c\/h3\u003e\n\u003cp\u003eYou can clear codes, but if the root cause remains, the fault code will return. Fix the problem first.\u003c\/p\u003e\n\u003ch3\u003eDoes it draw much power?\u003c\/h3\u003e\n\u003cp\u003eOperating current approx. 35 mA, standby approx. 25 mA. It's advisable to remove the adapter during long periods of inactivity.\u003c\/p\u003e\n\u003ch3\u003eDo I need internet to use it?\u003c\/h3\u003e\n\u003cp\u003eNo, the OBD communication itself does not require internet. However, some apps may use the network for database\/updates.\u003c\/p\u003e\n\u003ch3\u003eCan I use it while driving?\u003c\/h3\u003e\n\u003cp\u003eYes, for live data and logging. Drive safely – let a passenger handle the app.\u003c\/p\u003e\n\u003ch3\u003eWhat does a certain DTC mean?\u003c\/h3\u003e\n\u003cp\u003eThe app has 3000+ generic code definitions. Manufacturer-specific codes are interpreted to varying degrees depending on the app.\u003c\/p\u003e\n\u003ch3\u003eIs JF327 Pro the same as a professional brand diagnostic tool?\u003c\/h3\u003e\n\u003cp\u003eNo. It is an ELM327-based universal OBD-II adapter for basic engine\/emissions diagnostics.\u003c\/p\u003e\n\u003ch3\u003eCan I export data?\u003c\/h3\u003e\n\u003cp\u003eYes, most apps allow exporting logs. Format and functionality vary per app.\u003c\/p\u003e\n\u003ch3\u003eWhere is the OBD port located?\u003c\/h3\u003e\n\u003cp\u003eOften under the dashboard near the steering column. Refer to the car's manual if unsure.\u003c\/p\u003e\n\u003ch3\u003eDoes it work on electric cars?\u003c\/h3\u003e\n\u003cp\u003ePartially – some EVs display limited OBD-II engine-related data. For in-depth EV diagnostics, brand-specific tools are often required.\u003c\/p\u003e\n\u003ch3\u003eHow do I know which protocol the car uses?\u003c\/h3\u003e\n\u003cp\u003eThe app usually automatically identifies the protocol when you connect.\u003c\/p\u003e\n\u003ch3\u003eCan I damage the car if I use the fault code reader?\u003c\/h3\u003e\n\u003cp\u003eReading data is passive. Clearing codes resets some monitors – always follow instructions and do not clear in the middle of troubleshooting without documenting.\u003c\/p\u003e\n\u003ch3\u003eDo I need to start the engine?\u003c\/h3\u003e\n\u003cp\u003eFor some data, yes. For code reading, ignition on is often sufficient, but a test drive is required for live data in some cases.\u003c\/p\u003e\n\u003ch3\u003eAre diesel cars supported?\u003c\/h3\u003e\n\u003cp\u003eYes, OBD-II diesel is generally supported from approx. 2004 in the EU.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- Förpackningsinnehåll --\u003e\n\u003csection id=\"forpackning\"\u003e\n\u003ch2\u003ePackage Contents 📦\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × JFIND JF327 Pro OBD2 Bluetooth Adapter\u003c\/li\u003e\n\u003cli\u003e1 × Quick Manual\u003c\/li\u003e\n\u003cli\u003e1 × Packaging Box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- Ansvarsfriskrivning --\u003e\n\u003csection id=\"ansvar\"\u003e\n\u003ch2\u003eDisclaimer \u0026amp; Important Notices ⚠️\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSpecifications and compatibility are subject to change without prior notice.\u003c\/li\u003e\n\u003cli\u003eOBD-II primarily covers engine\/emissions. Brand-specific systems often require specific tools.\u003c\/li\u003e\n\u003cli\u003eUse at your own risk. Do not clear fault codes before the root cause is known and resolved.\u003c\/li\u003e\n\u003cli\u003eFeatures may vary between apps, car models, and model years.\u003c\/li\u003e\n\u003cli\u003eLong-term connection can drain power in some vehicles – disconnect the adapter during longer periods of inactivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- Lång sammanfattning\/avslut --\u003e\n\u003csection id=\"sammanfattning-lang\"\u003e\n\u003ch2\u003eSummary\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eJFIND JF327 Pro ELM327 BT5.1\u003c\/strong\u003e is a \u003cem\u003econvenient and reliable OBD2 fault code reader\u003c\/em\u003e for those who want \u003cstrong\u003equick diagnostics\u003c\/strong\u003e, \u003cstrong\u003elive data\u003c\/strong\u003e, and \u003cstrong\u003ecode interpretation\u003c\/strong\u003e directly on their phone or computer. With a modern Bluetooth 5.1 BLE interface, \u003cstrong\u003ePIC18F25K80\u003c\/strong\u003e platform, and support for all OBD-II protocols, you get broad compatibility and stable communication. The free \u003cstrong\u003eJFIND OBD\u003c\/strong\u003e app makes it easy to read\/clear codes, monitor sensors, and prepare your car for inspection.\u003c\/p\u003e\n\u003cp\u003eFor daily troubleshooting, service preparation, and real-time data collection, the JF327 Pro is an excellent choice. If you need \u003cem\u003ebrand-specific depth\u003c\/em\u003e (ABS\/SRS\/comfort systems), a dedicated tool may be required – but as a universal \u003cem\u003eELM327 Bluetooth adapter\u003c\/em\u003e, the JF327 Pro delivers precisely the OBD-II functionality that most car owners need. Its small size, low power consumption, and high compatibility make it an indispensable companion in the glove compartment.\u003c\/p\u003e\n\u003cp\u003e\u003ca aria-label=\"Back to top\" href=\"#top\"\u003eBack to top ↑\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\u003cp\u003e\u003csmall\u003eLast updated: November 11, 2025\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"JFIND","offers":[{"title":"Default Title","offer_id":54552048238860,"sku":"FEL-J0008","price":28.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/4979\/6876\/files\/A84076a1ed12943cf9e2a3419641a0f0d8.jpg?v=1771872072","url":"https:\/\/www.felkodslasare.se\/en-en\/products\/jfind-jf327-pro-elm327-bt5-1-obd2-bluetooth-felkodslasare-pic18f25k80","provider":"Felkodsläsare","version":"1.0","type":"link"}