Description
YMIOT • OBD2 Automotive Diagnostic Tool YM529
The YMIOT YM529 is a professional-grade handheld OBD-II/EOBD+CAN diagnostic tool designed for mechanics and experienced vehicle owners. The instrument features a 2.8-inch IPS color screen protected by scratch-resistant glass and a rugged TPU shell. With Bluetooth 5.0 wireless connectivity, compatibility with the YMOBD app, and support for 9 standard OBD-II/EOBD protocols, the tool allows you to read and clear diagnostic trouble codes, monitor real-time engine data, assess battery health, and perform I/M readiness or freeze frame diagnostics on 12-volt gasoline vehicles compliant since 1996 in the US or since 2003 in Europe. Electrical specifications include an operating voltage range of 9-16 V and Bluetooth frequency at 2.4 GHz.
Key benefits
- Wide protocol support: works with 9 OBD-II/EOBD/CAN standards, ensuring compatibility across most gasoline vehicles
- Multi-function diagnostics: read/clear DTCs, real-time sensor data, freeze-frame, I/M readiness, and oxygen/EVAP system tests
- Accurate battery health evaluation: includes battery voltage monitoring and life assessment to prevent starting failures
- Durable, user-friendly construction: IPS screen, high hardness scratch-resistant glass, and a protective TPU case
- Wireless convenience: Bluetooth connectivity with YMOBD app, offering over-the-air updates and multilingual support
Supported protocols
- SAE J1850 PWM
- SAE J1850 VPW
- ISO 9141-2
- ISO 14230-4 KWP (5-baud init)
- ISO 14230-4 KWP (fast init)
- ISO 15765-4 CAN (11-bit ID, 500 Kbaud)
- ISO 15765-4 CAN (29-bit ID, 500 Kbaud)
- ISO 15765-4 CAN (11-bit ID, 250 Kbaud)
- ISO 15765-4 CAN (29-bit ID, 250 Kbaud)
Supported functions
Depending on vehicle compatibility, the following functions are supported:
- Reads and clears engine fault codes (DTCs)
- Real-time sensor data streaming & data curve display
- I/M readiness status and freeze-frame capture
- Oxygen sensor and EVAP component/system tests
- Vehicle information retrieval (VIN/CALID/CVN)
- Battery voltage health and life assessment
Included items
- 1 × YM529 scanner unit (with integrated 16-pin OBD-II connector)
- 1 × protective TPU shell accessory
- 1 × user manual (English language)













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