- Built-in 35901 DTCs for fast, thorough diagnostics - The V520 car code reader includes 35901 DTCs built-in, offering a large fault code library beyond the about 3,000 DTCs common in older OBD2 models. This enables rapid viewing of fault code definitions and more comprehensive troubleshooting. It is designed to be easy for beginners, and is suitable for beginners, technicians, automotive enthusiasts and home repair. - Full OBD2 scanner mode with extensive capabilities - This professional V520 car scanner provides all the OBD2 features you need, including 35901DTCs, read/erase codes, viewing freeze frames, reading I/M readiness, vehicle information, data streaming, oxygen sensing tests, mode 6, mode 8, cloud print data, fault code search, battery voltage test, and more. - Cloud print data for easy sharing and record keeping - The device supports cloud printing. Scan the QR code generated by the product with your phone to view the car diagnostic data on screen. You can save results by taking a screenshot, print them, or send them to a professional mechanic for convenient collaboration. - Wide application and multilingual support - Uses a standard automotive OBD interface; plug in and start the engine to use. It offers dual UI modes (dark and light) for different lighting conditions and supports ten languages: English, German, French, Spanish, Italian, Russian, Dutch, Chinese, Japanese, and Portuguese. - Practical use scenarios - Before a road trip: quickly check engine status and I/M readiness to ensure the vehicle is ready for travel. - Home or shop diagnostics: perform in-depth fault code analysis, view freeze frames, run data streaming, and use mode 6 and mode 8 for advanced troubleshooting; erase codes after repair if needed. - Mechanic communication: use cloud print data to share diagnostic results with a mechanic, enabling faster and clearer collaboration.