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Car DTC Code Reader & OBDII Diagnostic Tool

V312 OBD2 car diagnostic tool is mainly for trouble code diagnosis and I/M readiness checking and real time data display. It supports both OBD2 and EOBD vehicles and provide eight languages for options, main markets of worldwide can use this auto diagnostic tool. It is with type-c interface, and user is able to use type-c to USB cable to upgrade the obd-ii diagnostic scan tool. The printing function also can be realized via the type-c to USB cable. The on-board diagnostic tool is with DTC and I/M key on the board and user is able to read fault code and check I/M readiness status quickly by pressing this two keys. The DTC diagnostic tool is with color display and there is no need to connect to external equipment to see the information. The display of the obdii diagnostic tool adopts newest user interface design and will enhance visual experience for user.
  • V312
  • Fiberall

Main Features of V312 OBD2 Car Diagnostic Tool

1. Supports nine standard protocols of OBD II / Eobd;

2. Support vehicle fault diagnosis, real-time data flow, exhaust gas detection and other OBD functions;

3. With functions of data waveform display, data storage and playback;

4. With emission test data;

5. 2.8 inch TFT color screen LCD;

6. Support printing function;

7. Support USB upgrade function;

8. Good reliability, wide power supply voltage range of 8 ~ 36V, with stronger over-current and over-voltage protection function;

9. With type-C interface;

10. New UI interface experience;

11. High stability, high quality, high speed;

12. Support 8 languages: Italian, Chinese, Russian, English, Portuguese, French, Spanish, German;

13. Color choice: deep blue, midnight black.


Support Vehicle Data of V312 OBD Diagnostic Tool

1, Diagnosis engine fault;

2, Clear trouble codes and turn off the MIL ("Check Engine" light);

3, Display current sensor data, including:

- Engine RPM
- Calculated Load Value
- Coolant Temperature
- Fuel System Status
- Vehicle Speed
- Short Term Fuel Trim
- Long Term Fuel Trim
- Intake Manifold Pressure
- Timing Advance
- Intake Air Temperature
- Air Flow Rate
- Absolute Throttle Position
- Oxygen sensor voltages/associated short term fuel trims
- Fuel System status
- Fuel Pressure

- Fuel consumption monitoring, etc

Note: the number of data items supported by different model years is also different, subject to the actual support.


Product Parameters of V312 Auto OBD-II Diagnostic Tool

Part Number


Communication Protocols (compatible with   more than 95% vehicles equipped with OBD-II protocols)

1. SAE J1850 PWM (41.6Kbaud)

2. SAE J1850 VPW (10.4Kbaud)

3. ISO9141-2(5 baud init, 10.4Kbaud)

4. ISO14230-4 KWP (5 baud init, 10.4 Kbaud)

5. ISO14230-4 KWP (fast init, 10.4 Kbaud)

6. ISO15765-4 CAN (11bit ID, 500 Kbaud)

7. ISO15765-4 CAN (29bit ID, 500 Kbaud)

8. ISO15765-4 CAN (11bit ID, 250 Kbaud)

9. ISO15765-4 CAN (29bit ID, 250 Kbaud)

Working voltage


Working current


Working temperature


Storage temperature


Product dimension



deep blue, midnight black

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+86 13418549260

+86 13418549260





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