Description
Sanerqi • OBD2 Automotive Diagnostic Tool M519
The Sanerqi M519 is a professional-grade OBD2 diagnostic tool designed for identifying and resolving engine issues in vehicles using any standard OBD II/EOBD protocol. The tool features a 2.8-inch HD color screen, a high-speed microcontroller chip, and a library of over 40,000 diagnostic trouble codes. Working voltage spans 9 V to 16 V, with rugged construction suited for auto repair shops or advanced DIY enthusiasts. Key functions include real-time data streaming, I/M readiness, freeze frame capture, O₂ sensor testing and compatibility updates via a USB-C interface.
Key benefits
- Compatible with nearly all post-1996 gasoline and many diesel vehicles using standard OBD II/EOBD/CAN protocols
- Supports over 100 real-time data streams in both text and graph modes for in-depth diagnostics
- Built-in library of 40,000+ fault codes for quick identification and troubleshooting
- Automatic protocol detection to simplify connection and setup
- Software updates via USB-C to stay current with new vehicle models
- Robust operating and storage conditions (-20 °C to 60 °C), suitable for harsh environments
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 and fast init, 10.4 kBaud)
- ISO 15765-4 CAN (11-bit & 29-bit IDs at 250 kBaud and 500 kBaud)
Supported functions
Depending on vehicle compatibility, the following functions are supported:
- Reads and clears engine fault codes
- Freeze frame data capture
- I/M readiness status for emissions testing
- Real-time data streaming across multiple sensors
- Oxygen sensor testing
- Mode 6 and Mode 8 diagnostic functions, where supported
- Battery voltage monitoring and vehicle information (VIN/calibration data)
Included items
- 1 × diagnostic tool M519
- 1 × user’s manual
- 1 × packaging box
Supported languages
Chinese, German, Dutch, English, Spanish, Polish, Korean, French, Japanese, Russian, Italian, Finnish, Portuguese


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