Viecar VP101 Code Reader – Full Protocol Auto Scanner Tool
Language Versions
The device is available in two language versions:
- Version A: Britain, Russia, Italy, France, Germany, Spain, Portugal, Poland
- Version B: English, Russian, Italian, French, German, Spanish, Portuguese, Chinese
Currently, all shipments are Version A. If you require Version B, please contact customer service.
1. Product Introduction
The VP101 is a CAN OBDII/EOBD code reader that offers the simplest and fastest solution for diagnosing OBD faults. When inspecting engine issues, it delivers accurate information and precise diagnostics, effectively resolving OBD2/EOBD problems in modern vehicles.
Breaking away from conventional OBD reading card designs, the VP101 features a 2.8-inch TFT color screen and includes I/M readiness testing functionality. With its stylish appearance and premium build quality, it is far more than a basic code reader—it’s an essential tool professional mechanics rely on.
2. Product Functions
- Supports all nine standard OBD II / EOBD protocols
- Provides vehicle fault diagnosis and real-time data stream functions
- Includes data waveform display, storage, and playback capabilities
- Supports emission testing data
- Equipped with a high-resolution color LCD display
- Offers excellent reliability with a wide input voltage range (8–36V) and enhanced overcurrent/overvoltage protection
- Supports 8 languages
3. Supported Protocols
- SAE J1850 PWM (41.6 Kbaud)
- SAE J1850 VPW (10.4 Kbaud)
- ISO9141-2 (5 baud init, 10.4 Kbaud)
- ISO14230-4 KWP (5 baud init, 10.4 Kbaud)
- ISO14230-4 KWP (fast init, 10.4 Kbaud)
- ISO15765-4 CAN (11-bit ID, 500 Kbaud)
- ISO15765-4 CAN (29-bit ID, 500 Kbaud)
- ISO15765-4 CAN (11-bit ID, 250 Kbaud)
- ISO15765-4 CAN (29-bit ID, 250 Kbaud)
4. Supported Vehicle Data Parameters
- Read diagnostic trouble codes (DTCs)
- Clear fault codes (resets MIL light)
- Engine RPM (revolutions per minute)
- Calculated load value
- Coolant temperature
- Fuel system status
- Vehicle speed
- Short-term fuel trim
- Long-term fuel trim
- Intake manifold pressure
- Fuel injection advance timing
- Intake air temperature
- Air flow rate
- Absolute throttle position
- Oxygen sensor voltage correlated with short-term fuel trim
- Fuel system status (repeated for completeness as in original)
- Fuel pressure
- Fuel consumption monitoring
Note: The number of supported data parameters may vary depending on the vehicle model year. Actual support depends on the specific vehicle.
5. Hardware Performance Specifications
- Main control chip: STM32F103VET6
- Software platform: Windows
- Working voltage: DC 8–36V
- Working current: 50mA
- Standby current: 5mA
- Operating temperature: -20°C to 65°C
- Storage temperature: -30°C to 80°C
- Dimensions: 154.5 × 85 × 24 mm
6. Important Notes
This product is not compatible with new energy vehicles, hybrid vehicles, diesel vehicles, or vehicles that do not comply with the OBD2 protocol.

















































