Description
Pengyue • OBD2 Automotive Diagnostic Tool V309
The Pengyue V309 OBD2 automotive diagnostic tool is a standalone engine code reader designed for fast, reliable diagnosis. Powered via the vehicle’s OBD-II port (9-16 V), the tool supports 9 industry standard protocols, displays real-time data and freeze-frame information, and reads general and manufacturer-specific diagnostic trouble codes (DTCs). It features a built-in database of over 3,000 code definitions, a 128×64 pixel LCD display with contrast adjustment, and multilingual support in English, French, German, Spanish, and Dutch. Ideal for both car owners and mechanics needing to monitor engine/system health without reliance on external devices or apps.
Key benefits
- Reads and clears engine fault codes, including generic and manufacturer-specific ones; turns off Check Engine Light (MIL) after repair
- Displays real-time sensor data (RPM, coolant temperature, vehicle speed, fuel system status, etc.) and views freeze-frame data for error analysis
- Powered directly from the OBD2 connector—no battery or external power source required
- User interface in five major languages for broader accessibility
- Compact, rugged design for working in diverse environments (operating temperature -30 °C to +70 °C)
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, 10.4 Kbaud; fast init)
- ISO 15765-4 CAN (11-bit & 29-bit ID, 250/500 Kbaud)
Supported functions
Depending on vehicle compatibility, the following functions are supported:
- Reads and clears engine DTCs (generic and manufacturer-specific)
- I/M readiness/emission monitor status
- Freeze-frame data retrieval
- Real-time data stream and graph display
- O2 sensor and EVAP system testing when supported by the vehicle
- Reads vehicle identification info (VIN, where available)
- Displays battery/vehicle voltage
Included items
- 1 × Pengyue V309 diagnostic reader (Model V309)
- 1 × user manual (multi-language)
- 1 × OBD2 link cable (approx. 56 cm / 23-inch cable)
Supported languages
English, French, German, Spanish, Dutch















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