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USB Car ELM327 Code Reader & OBD Engine Checker

V04HU is an ELM327 OBD code reader with USB cable. It is for computer connection and suitable for Windows computer. The USB obd code reader is also requires software installed on the computer. User can see the software in the CD in the package or downloaded it via Fiberall website. And to ensure the compatibility of the windows computer, sometime driver is required. The driver is also available with the package of the OBD-II code reader or download list of our website. V04HU trouble code reader is with LED indicator to show working status. The working status include PC connection, power supply, OBD connection and so on. Default USB cable length of the OBDii fault code reader is 1.5m. Customized cable length, as well as color, label or packing can be appointed by customer.
  • V04HU
  • Fiberall

Product Parameters of V04HU Auto OBD Code Reader

Part number


Firmware version


Compatible Socket

Standard 16 Pin OBD-II Female

Communication way


Master chip


Compatible Device

Windows computer

Working voltage


Operation current


Standby current


Working temperature


Working humidity

≤ 60%

Product dimension

45mm*25mm*75mm (default cable length 150cm)

Color Options

Black or customized




Supported OBD-II Protocols of Car Engine Checker

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)


Recommended OS and App for The Car ELM327 Code Reader

1. Compatible Operation System

Windows XP, Windows 7/8 etc..

2. Compatible App

Windows: ScanMaster-ELM,, PCMSCAN and so on;

Note: Please note that V04HU trouble code reader does not support Android and iOS.


Main Functions of Fiberall USB Trouble Code Reader

1, Read engine fault codes, both generic and manufacturer-specific. (over 3000 generic code definitions in the database). The configuration of the App used decides the DTC code reader can display meaning of the trouble code or not.

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 and so on.

Note: The supported data depends on vehicle mode and configuration of App, generally the obd-ii code reader supports all listed data.


Packing Options for V04HU OBD Code Reader

With cardboard box or plastic bag;

With CD or without CD;

With user manual or without user manual.


Features of USB Auto Trouble Code Reader

1, The elm327 obd code reader is with USB cable, suitable for PC with Windows operation system;

2, Need to use with appointed software and driver;

3, Software and driver is available with package or on supplier’s website;

4, With LED indicator to show connection and working status;

5, Supports vehicles which is with OBD-II compliant certified label;

6, As an DTC code reader, is it able to read and erase trouble code;

7, Displays supported sensor data, convenient for driver to see real time vehicle data;

8, The OBD2 code reader is with lower power consumption, less affect to vehicle battery.

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+86 13418549260

+86 13418549260





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