{"product_id":"godiag-gd101-j2534-pass-thru-usb-j1979-obd-ii-elm327-kompatibel-diagnostikkabel-till-ford-mazda","title":"GODIAG GD101 J2534 Pass-Thru USB – J1979\/OBD-II \u0026 ELM327-Compatible Diagnostic Cable for Ford \u0026 Mazda","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\u003e\u003cstrong\u003eGODIAG GD101 J2534 Pass-Thru\u003c\/strong\u003e is a compact, USB-connected diagnostic device for \u003cstrong\u003eWindows 8\/10\/11 (32\/64-bit)\u003c\/strong\u003e that combines \u003cem\u003eJ2534 mode\u003c\/em\u003e for OEM software (e.g., Toyota Techstream, Honda HDS, JLR SDD, Renault CLIP, VAG) with an \u003cem\u003eELM327-compatible mode\u003c\/em\u003e for everyday diagnostics in general OBD apps (ScanMaster, FORScan, etc.). It supports J1979\/OBD-II for generic engine\/emissions diagnostics and a wide range of protocols: \u003cstrong\u003eISO15765-4 CAN\u003c\/strong\u003e, \u003cstrong\u003eISO9141\u003c\/strong\u003e, \u003cstrong\u003eISO14230-4 (KWP2000)\u003c\/strong\u003e, and \u003cstrong\u003eSAE J1850 PWM\/VPW\u003c\/strong\u003e, including higher speed modes. The device also features \u003cstrong\u003eprogramming voltage\u003c\/strong\u003e (up to 20V) in Pass-Thru mode where required by OEM software.\u003c\/p\u003e\n\u003cp\u003eNew drivers (v2.3) and firmware (1.8) provide faster, more stable communication – for example, extended transmission length on J1850 VPW and improved ELM compatibility. \u003cstrong\u003eNote:\u003c\/strong\u003e \u003cu\u003eMS-CAN is not supported\u003c\/u\u003e on this model. This means that certain Ford modules on MS-CAN (e.g., BCM on some model years) cannot be accessed, even if FORScan generally works. For full Ford coverage, an interface with MS-CAN support is recommended.\u003c\/p\u003e\n\u003cp\u003eThe GD101 is suitable for those who want to combine \u003cstrong\u003eOEM workflows\u003c\/strong\u003e (diagnosis, service, sometimes ECU programming – where a license is required) with \u003cstrong\u003egeneral OBD troubleshooting\u003c\/strong\u003e in one hardware device. It is portable (95×55×23 mm), robust, and easy to carry between vehicles. On this page, you will find complete specifications, software compatibility, installation manual, tips, FAQ, and safety notices – in clean HTML, ready to be pasted into Shopify. Do you need to supplement with cables or other tools? See our categories \u003ca rel=\"noopener\" href=\"https:\/\/www.felkodslasare.se\/collections\/obd2-kablar-adaptrar\"\u003eOBD2 cables \u0026amp; adapters\u003c\/a\u003e and \u003ca rel=\"noopener\" href=\"https:\/\/www.felkodslasare.se\/collections\/obd2-felkodslasare\"\u003eOBD2 diagnostic tools\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- H1 med huvudnyckelord --\u003e\n\u003ch2 id=\"top\"\u003eGODIAG GD101 J2534 Pass-Thru USB – J1979\/OBD-II \u0026amp; ELM327-compatible Diagnostic Cable (Windows 8\/10\/11)\u003c\/h2\u003e\n\u003c!-- Innehållsförteckning --\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=\"#highlights\"\u003eHighlights\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#specifikationer\"\u003eSpecifications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#protokoll\"\u003eProtocols \u0026amp; Hardware Layers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#program\"\u003eSoftware \u0026amp; Language Support\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#anvandning\"\u003eFunctions \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 (Vehicles \u0026amp; OS)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#manual\"\u003eManual – Installation \u0026amp; First Connection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#programmering\"\u003eECU Programming in J2534 Mode\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#elm-lage\"\u003eELM Mode: Everyday Diagnostics\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tips\"\u003eTips \u0026amp; Best Practices\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#felsokning\"\u003eTroubleshooting\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\u003e\u003cstrong\u003eGODIAG GD101\u003c\/strong\u003e is a \u003cem\u003eJ2534 Pass-Thru interface\u003c\/em\u003e that connects your Windows computer to the car's OBD port via \u003cstrong\u003eUSB 2.0\u003c\/strong\u003e. It can operate in two modes: (1) as a J2534-compatible interface for OEM software (diagnosis, service, often also ECU reprogramming) and (2) as an \u003cstrong\u003eELM327-compatible\u003c\/strong\u003e interface for generic OBD apps. This combination makes the GD101 particularly attractive for workshops, advanced hobbyists, and resellers who want to cover both \u003cem\u003ebrand-specific workflows\u003c\/em\u003e and \u003cem\u003eeveryday engine troubleshooting\u003c\/em\u003e with a single device.\u003c\/p\u003e\n\u003cp\u003eThe device's driver (v2.3) and firmware (1.8) are optimized for higher stability, longer frames (e.g., J1850 VPW), and better compatibility in ELM mode. This reduces interruptions, timeouts, and increases the chance of success with both longer data transfers and more demanding test scenarios. \u003cstrong\u003eImportant:\u003c\/strong\u003e this model does \u003cu\u003enot\u003c\/u\u003e have MS-CAN support. In the Ford ecosystem, this means that certain modules (on MS-CAN) cannot be accessed – in such cases, choose an interface with MS-CAN.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- Höjdpunkter --\u003e\n\u003csection id=\"highlights\"\u003e\n\u003ch2\u003eHighlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo in one:\u003c\/strong\u003e J2534 (OEM software) + ELM327 (general OBD apps).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide protocol support:\u003c\/strong\u003e ISO15765-4 CAN, ISO9141, ISO14230-4 (KWP2000), J1850 PWM\/VPW.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgramming voltage:\u003c\/strong\u003e up to 20V on pin 12\/13 in Pass-Thru mode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDriver\/firmware:\u003c\/strong\u003e v2.3\/1.8 for faster and more stable communication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable:\u003c\/strong\u003e 95×55×23 mm, easy to carry between vehicles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e \u003cu\u003eMS-CAN is not supported\u003c\/u\u003e.\u003c\/li\u003e\n\u003c\/ul\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:\u003c\/strong\u003e GODIAG GD101 J2534 Automotive Diagnostic Tool\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e GT101 (GD101 in product name)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHost OS:\u003c\/strong\u003e Windows 8\/10\/11 (32\/64-bit). \u003cu\u003eWindows 7 is not supported\u003c\/u\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHost connection:\u003c\/strong\u003e USB 2.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle connection:\u003c\/strong\u003e OBD-II (DLC-16), vehicle voltage 8–18V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (L×W×H):\u003c\/strong\u003e 95 × 55 × 23 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment:\u003c\/strong\u003e −20°C to +45°C (−4°F to 113°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDriver:\u003c\/strong\u003e v2.3 (2023-08-16)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware:\u003c\/strong\u003e 1.8 (2023-03-31)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMS-CAN:\u003c\/strong\u003e \u003cu\u003eNot supported\u003c\/u\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- Protokoll \u0026 hårdvara --\u003e\n\u003csection id=\"protokoll\"\u003e\n\u003ch2\u003eProtocols \u0026amp; Hardware Layers\u003c\/h2\u003e\n\u003ch3\u003eProtocols (J2534\/ELM)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO15765-4 CAN\u003c\/strong\u003e – standard\/extended frame (HS-CAN on pin 6 \u0026amp; 14, up to 1000 kbit\/s)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO9141\u003c\/strong\u003e – K-line (pin 7, L-line on pin 15 where applicable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO14230-4 (KWP2000)\u003c\/strong\u003e – 5-baud init\/fast init (10.4 kbit\/s)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSAE J1850 PWM\u003c\/strong\u003e – IFR and 2× speed (pin 2 \u0026amp; 10)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSAE J1850 VPW\u003c\/strong\u003e – 4× speed (pin 2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgramming voltage\u003c\/strong\u003e – pin 12\/13 up to 20V (controlled by OEM software in J2534 mode)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort to ground\u003c\/strong\u003e – pin 9 to pin 5 (for certain test cases according to J2534 API)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eELM327 commands\u003c\/strong\u003e – AT v1.3a in ELM mode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Ports \u0026amp; Wiring\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHS-CAN: OBD-pin 6\/14\u003c\/li\u003e\n\u003cli\u003eK\/L-line: OBD-pin 7\/15\u003c\/li\u003e\n\u003cli\u003eJ1850 PWM\/VPW: OBD-pin 2 (\u0026amp; 10 for PWM)\u003c\/li\u003e\n\u003cli\u003eProg. voltage: OBD-pin 12\/13 (up to 20V when software activates)\u003c\/li\u003e\n\u003cli\u003eGND: OBD-pin 5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- Program \u0026 språk --\u003e\n\u003csection id=\"program\"\u003e\n\u003ch2\u003eSoftware \u0026amp; Language Support\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eVerified software versions\u003c\/strong\u003e according to supplier: Toyota Techstream V17.30.011, Honda HDS V3.104.024, JLR SDD V163, FORScan V2.3.48, ScanMaster V2.1, PCM-Flash V1.2.0, VAG V9.1.0, Renault CLIP V227\/V230. Functions and access vary by brand\/model year\/ECU and may require a license\/subscription.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLanguages (example):\u003c\/strong\u003e The VAG suite includes Swedish, English, German, French, Spanish, etc. Techstream\/HDS\/JLR\/CLIP\/FORScan\/ScanMaster have extensive language packs (see respective programs). The GD101 also comes with \u003cstrong\u003efree J1979 software\u003c\/strong\u003e for generic OBD diagnosis (download).\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- Funktioner \u0026 användningsområden --\u003e\n\u003csection id=\"anvandning\"\u003e\n\u003ch2\u003eFunctions \u0026amp; Use Cases\u003c\/h2\u003e\n\u003ch3\u003eCore Functions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eJ2534 Pass-Thru:\u003c\/strong\u003e connect OEM software for diagnosis, service, and in many cases, ECU flashing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJ1979\/OBD-II:\u003c\/strong\u003e read\/clear DTCs (MIL), live data, freeze-frame, readiness, Mode $06\/$09, etc.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eELM mode:\u003c\/strong\u003e use general OBD apps (AT commands v1.3a) for everyday troubleshooting and logging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStability \u0026amp; speed:\u003c\/strong\u003e optimized J1850 handling, long frames, updated drivers\/firmware.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Use Cases\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOEM diagnosis and service functions (Techstream, HDS, JLR SDD, CLIP, VAG tools, etc.).\u003c\/li\u003e\n\u003cli\u003eOBD troubleshooting on engine\/emissions: sensor data, fuel trim, O2, EVAP, readiness for inspection.\u003c\/li\u003e\n\u003cli\u003eECU programming in J2534 mode – \u003cem\u003ewhen software\/license and vehicle allow\u003c\/em\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- Fördelar --\u003e\n\u003csection id=\"fordelar\"\u003e\n\u003ch2\u003eAdvantages\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo modes – one device:\u003c\/strong\u003e Pass-Thru for OEM + ELM for everyday use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAffordable \u0026amp; portable:\u003c\/strong\u003e small, light, and easy to carry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpdated software:\u003c\/strong\u003e fewer interruptions, better compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide support:\u003c\/strong\u003e covers classic OBD protocols including J1850 high-speed modes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAlso see \u003ca rel=\"noopener\" href=\"https:\/\/www.felkodslasare.se\/collections\/obd2-kablar-adaptrar\"\u003eOBD2 cables \u0026amp; adapters\u003c\/a\u003e and \u003ca rel=\"noopener\" href=\"https:\/\/www.felkodslasare.se\/collections\/obd2-felkodslasare\"\u003eOBD2 diagnostic tools\u003c\/a\u003e for complementary products.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- Kompatibilitet --\u003e\n\u003csection id=\"kompatibilitet\"\u003e\n\u003ch2\u003eCompatibility (Vehicles \u0026amp; OS)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eOperating System:\u003c\/strong\u003e Windows 8\/10\/11 (32\/64-bit). \u003cu\u003eWindows 7 is not supported\u003c\/u\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Brands (examples):\u003c\/strong\u003e Toyota, Honda\/Acura, Ford, Mazda, VAG (VW\/Audi\/Skoda\/Seat), Renault. Functions are controlled by selected software, license, and ECU platform. \u003cstrong\u003eMS-CAN is not supported\u003c\/strong\u003e on this model.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- Manual --\u003e\n\u003csection id=\"manual\"\u003e\n\u003ch2\u003eManual – Installation \u0026amp; First Connection 🔧\u003c\/h2\u003e\n\u003ch3\u003e1) Preparation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWindows computer (8\/10\/11) with administrator privileges.\u003c\/li\u003e\n\u003cli\u003eDownload and install \u003cstrong\u003eGODIAG J2534 Driver v2.3\u003c\/strong\u003e (restart if necessary).\u003c\/li\u003e\n\u003cli\u003eInstall your \u003cstrong\u003eOEM software\u003c\/strong\u003e (Techstream\/HDS\/JLR\/CLIP\/VAG) or \u003cstrong\u003eELM app\u003c\/strong\u003e (ScanMaster, FORScan, etc.).\u003c\/li\u003e\n\u003cli\u003eSecure the vehicle: good ventilation, stable battery voltage (preferably use a support charger for flashing).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e2) Update Firmware (recommended)\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eConnect GD101 via \u003cstrong\u003eUSB\u003c\/strong\u003e to the computer.\u003c\/li\u003e\n\u003cli\u003eOpen GODIAG's firmware tool and update to \u003cstrong\u003ev1.8\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCheck in Device Manager that the J2534 device is correctly identified.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003e3) Connect to Vehicle\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eTurn off ignition. Connect GD101 to the car's \u003cstrong\u003eOBD-II (DLC-16)\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eTurn ignition \u003cstrong\u003eON\u003c\/strong\u003e (engine off).\u003c\/li\u003e\n\u003cli\u003eStart the program and select \u003cstrong\u003eGODIAG GD101 (J2534)\u003c\/strong\u003e or \u003cstrong\u003eELM mode\u003c\/strong\u003e according to the app.\u003c\/li\u003e\n\u003cli\u003ePerform \u003cem\u003eauto-detection\u003c\/em\u003e of protocols and select car model\/year according to the program guide.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003e4) Basic Diagnosis (example with J1979)\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eRead \u003cstrong\u003eDTCs\u003c\/strong\u003e and \u003cstrong\u003efreeze-frame\u003c\/strong\u003e, save report.\u003c\/li\u003e\n\u003cli\u003eCheck \u003cstrong\u003eI\/M readiness\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eDisplay \u003cstrong\u003elive data\u003c\/strong\u003e (ECT, IAT, MAF\/MAP, O2, STFT\/LTFT, ignition, etc.).\u003c\/li\u003e\n\u003cli\u003eClear codes only after the cause has been addressed or documented.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/section\u003e\n\u003c!-- ECU-programmering --\u003e\n\u003csection id=\"programmering\"\u003e\n\u003ch2\u003eECU Programming in J2534 Mode ⚠️\u003c\/h2\u003e\n\u003cp\u003eThe GD101 can be used for ECU programming\/reprogramming when the \u003cstrong\u003eOEM software\u003c\/strong\u003e supports it and the correct \u003cstrong\u003elicenses\/calibrations\u003c\/strong\u003e are available. Always follow the manufacturer's official procedure.\u003c\/p\u003e\n\u003ch3\u003eImportant\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStable power:\u003c\/strong\u003e keep the vehicle at a stable 13.5–14.2V with a support charger throughout the flashing process.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not interrupt:\u003c\/strong\u003e do not unplug USB, do not turn off ignition, do not touch cables during the process.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrect files:\u003c\/strong\u003e use correct calibration files adapted for the vehicle's VIN\/ECU.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMS-CAN:\u003c\/strong\u003e missing. Some Ford modules may require an interface with MS-CAN support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- ELM-läge --\u003e\n\u003csection id=\"elm-lage\"\u003e\n\u003ch2\u003eELM Mode: Everyday Diagnostics\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eStart your ELM app (e.g., ScanMaster).\u003c\/li\u003e\n\u003cli\u003eSelect \u003cstrong\u003eGODIAG GD101 (ELM)\u003c\/strong\u003e if the app differentiates between modes, otherwise auto-detect.\u003c\/li\u003e\n\u003cli\u003eEstablish communication (AT v1.3a), read codes\/live data, and create logs.\u003c\/li\u003e\n\u003cli\u003eNote the limitation: MS-CAN modules are not accessible by this hardware.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/section\u003e\n\u003c!-- Tips --\u003e\n\u003csection id=\"tips\"\u003e\n\u003ch2\u003eTips \u0026amp; Best Practices 💡\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSave reports \u0026amp; logs\u003c\/strong\u003e before clearing codes – facilitates comparisons.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort quality cables:\u003c\/strong\u003e reduce interference, especially during flashing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpdate everything:\u003c\/strong\u003e keep OEM software, driver v2.3, and firmware 1.8 updated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlan Ford jobs:\u003c\/strong\u003e missing MS-CAN support may limit module access – choose the correct interface if needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower supply:\u003c\/strong\u003e avoid voltage drop during longer sessions – use a support charger.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- Felsökning --\u003e\n\u003csection id=\"felsokning\"\u003e\n\u003ch2\u003eTroubleshooting\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoftware does not detect device:\u003c\/strong\u003e check that driver v2.3 is installed, try another USB port, restart the computer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo vehicle communication:\u003c\/strong\u003e ignition \u003cem\u003eON\u003c\/em\u003e, check OBD fuse, run protocol auto-detection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCannot access Ford modules:\u003c\/strong\u003e the device lacks MS-CAN – choose an interface with MS-CAN support if needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlashing interrupted:\u003c\/strong\u003e secure power, check USB cable, verify correct calibration\/file.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eELM app not connecting:\u003c\/strong\u003e update firmware 1.8, ensure the app uses ELM mode and the correct port.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO9141 VIN not read in ELM:\u003c\/strong\u003e resolved in later firmware – update to 1.8.\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 GD101 work on Windows 7?\u003c\/h3\u003e\n\u003cp\u003eNo. Only Windows 8\/10\/11 (32\/64-bit) is supported.\u003c\/p\u003e\n\u003ch3\u003eDoes GD101 support MS-CAN?\u003c\/h3\u003e\n\u003cp\u003eNo. \u003cstrong\u003eMS-CAN is not supported\u003c\/strong\u003e on this model.\u003c\/p\u003e\n\u003ch3\u003eCan I program ECUs?\u003c\/h3\u003e\n\u003cp\u003eYes, in \u003cstrong\u003eJ2534 mode\u003c\/strong\u003e with OEM software that supports flashing, correct licenses, and stable power.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between J2534 and ELM mode?\u003c\/h3\u003e\n\u003cp\u003eJ2534 is for OEM software (service\/flashing). ELM mode is for general OBD apps (AT v1.3a) and everyday diagnostics.\u003c\/p\u003e\n\u003ch3\u003eDoes it work with FORScan?\u003c\/h3\u003e\n\u003cp\u003eYes, FORScan V2.3.48 is listed as compatible – but modules on MS-CAN cannot be accessed.\u003c\/p\u003e\n\u003ch3\u003eWhich brands are supported?\u003c\/h3\u003e\n\u003cp\u003eToyota, Honda\/Acura, Ford, Mazda, VAG (VW\/Audi\/Skoda\/Seat), Renault – depending on software\/license\/ECU.\u003c\/p\u003e\n\u003ch3\u003eIs software included?\u003c\/h3\u003e\n\u003cp\u003eA \u003cstrong\u003efree J1979 tool\u003c\/strong\u003e for generic OBD diagnosis is provided via download.\u003c\/p\u003e\n\u003ch3\u003eCan I use a long USB cable?\u003c\/h3\u003e\n\u003cp\u003eNot recommended for flashing. Use a short and quality cable for maximum stability.\u003c\/p\u003e\n\u003ch3\u003eHow do I update the firmware?\u003c\/h3\u003e\n\u003cp\u003eOpen GODIAG's update tool, connect the device, and click \"Upgrade firmware\" to version 1.8 (or later).\u003c\/p\u003e\n\u003ch3\u003eDoes it support J1850 high-speed modes?\u003c\/h3\u003e\n\u003cp\u003eYes. J1850 PWM (IFR\/2×) and J1850 VPW (4×) are supported.\u003c\/p\u003e\n\u003ch3\u003eWhat does programming voltage mean?\u003c\/h3\u003e\n\u003cp\u003eOEM software may request a controlled voltage (up to 20V) on pin 12\/13 for certain flash procedures.\u003c\/p\u003e\n\u003ch3\u003eCan I work on older ISO9141\/KWP vehicles?\u003c\/h3\u003e\n\u003cp\u003eYes, the protocols are supported in both J2534 and ELM modes (depending on selected software).\u003c\/p\u003e\n\u003ch3\u003eDoes it work on electric cars\/hybrids?\u003c\/h3\u003e\n\u003cp\u003eFor OBD-II data, yes, but access to high-voltage systems is manufacturer\/software dependent.\u003c\/p\u003e\n\u003ch3\u003eDo I need internet?\u003c\/h3\u003e\n\u003cp\u003eFor downloading drivers\/updates and certain OEM workflows (licenses\/calibrations), internet is required.\u003c\/p\u003e\n\u003ch3\u003eCan multiple apps use the device simultaneously?\u003c\/h3\u003e\n\u003cp\u003eNo, only one client at a time can have an active connection.\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 × GODIAG GD101 J2534 device (USB)\u003c\/li\u003e\n\u003cli\u003e1 × USB cable\u003c\/li\u003e\n\u003cli\u003e1 × Quick Guide\/Manual (download\/printed depending on batch)\u003c\/li\u003e\n\u003cli\u003e1 × Packaging box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote!\u003c\/em\u003e Small variations may occur between batches.\u003c\/p\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\u003e\n\u003cstrong\u003eLicenses:\u003c\/strong\u003e OEM software often requires paid licenses\/subscriptions and correct calibration data.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRisk during flashing:\u003c\/strong\u003e improper handling can damage the ECU (\"bricking\"). All programming is done at your own risk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e features differ between brands\/model years\/ECU families and software versions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMS-CAN:\u003c\/strong\u003e not supported by this model. Choose an interface with MS-CAN if you need such access.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecifications:\u003c\/strong\u003e may be updated without prior notice.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- Sammanfattning --\u003e\n\u003csection id=\"sammanfattning-lang\"\u003e\n\u003ch2\u003eSummary\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eGODIAG GD101\u003c\/strong\u003e combines \u003cem\u003eJ2534 Pass-Thru\u003c\/em\u003e for OEM software with an \u003cem\u003eELM327 mode\u003c\/em\u003e for generic OBD diagnosis in the same compact interface. With support for ISO9141, ISO14230, J1850 PWM\/VPW, and ISO15765-4 CAN, updated driver\/firmware, programming voltage, and good software support, it is a \u003cstrong\u003estrong all-round choice\u003c\/strong\u003e for workshops and advanced hobbyists. Note the limitation that \u003cstrong\u003eMS-CAN is not supported\u003c\/strong\u003e. For full Ford coverage – choose an interface with MS-CAN in our \u003ca rel=\"noopener\" href=\"https:\/\/www.felkodslasare.se\/collections\/obd2-kablar-adaptrar\"\u003eOBD2 cables \u0026amp; adapters\u003c\/a\u003e category.\u003c\/p\u003e\n\u003cp\u003e\u003ca aria-label=\"Tillbaka till toppen\" href=\"#top\"\u003eBack to top ↑\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\u003cp\u003e\u003csmall\u003eLast updated: December 9, 2025\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"GoDiag","offers":[{"title":"Default Title","offer_id":54588511846668,"sku":"FEL-B0291","price":56.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/4979\/6876\/files\/H94277133d7ae49a9b5dc7ebe76e575e5o.png?v=1766930520","url":"https:\/\/www.felkodslasare.se\/en-en\/products\/godiag-gd101-j2534-pass-thru-usb-j1979-obd-ii-elm327-kompatibel-diagnostikkabel-till-ford-mazda","provider":"Felkodsläsare","version":"1.0","type":"link"}