Description
Chuangying • OBD2 Automotive Diagnostic Tool V520
The Chuangying V520 is a handheld OBD-II/EOBD code reader intended for automotive professionals and serious DIYers. Powered directly from the vehicle’s 16-pin diagnostic port, the instrument supports all nine standard OBD-II protocols commonly used in gasoline cars. With a 2.8-inch full-color screen, a built-in fault code library of 35,901 entries, real-time data streaming, freeze frame information, VIN/CALID/CVN reading, emission readiness checks, and battery voltage display, the tool provides fast diagnostics. Adapted for temperatures from -30 °C to 70 °C, V520 offers robust construction for workshop or roadside use.
Key benefits
- Reads, displays and clears diagnostic trouble codes (DTCs), turns off the check engine light
- Real-time data stream with engine RPM, coolant temperature, throttle position, fuel trim, etc.
- Large internal database of 35,901 code definitions for fast fault identification
- Freeze frame, I/M readiness, vehicle information (VIN/CALID/CVN), Mode 6-monitor, O₂ sensor and EVAP (Mode 8) component tests
- Battery voltage measurement and cloud print/QR code report sharing
Supported protocols
- SAE J1850 PWM (41.6 Kbaud)
- SAE J1850 VPW (10.4 Kbaud)
- ISO 9141-2 (5 baud init, 10.4 Kbaud)
- ISO 14230-4 KWP (5 baud init / fast init, 10.4 Kbaud)
- ISO 15765-4 CAN (11-bit & 29-bit ID, 250 and 500 Kbaud)
Supported functions
Depending on vehicle compatibility, the following functions are supported:
- Reads and clears current, pending, permanent DTCs; turns off the MIL (checking of engine light)
- Freeze frame capture of sensor data snapshots
- I/M readiness status checks for emissions monitors
- Vehicle information retrieval: VIN, CALID, CVN
- Real-time data streaming of multiple engine parameters
- Mode 6 (on-board monitor results), oxygen sensor test, Mode 8 (EVAP component test)
- Battery voltage reading; cloud print of diagnostic reports
Included items
- 1 × diagnostic tool (Part No. V520)
- 1 × OBD-II connection cable
- 1 × user manual (multilingual)
Supported languages
English, German, French, Spanish, Italian, Russian, Dutch, Chinese, Japanese, Portuguese













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