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Diagnostic Tool Introduction

Fiberall automotive diagnostic tools are mainly for auto diagnosis, both passenger vehicle and commercial vehicle are , such as car, SUV, pick-up truck, light-duty vehicles, heavy-duty truck, Bus, agricultural vehicles or machinery etc.

Our auto diagnostic tools mainly helps users to check faults, prevent vehicle accidents, save maintenance costs, view real-time vehicle data, develop good driving habits and enrich driving experience and so on.

All these vehicle diagnostic tools are researched and developed by us independently and they are with software and appearance patents.

We have many types of automotive diagnostic tools. Such as mini type with Bluetooth, Wi-Fi or USB cable; handheld type with cable; or comprehensive diagnostic equipment with touch screen (pad type) . Handheld auto diagnostic tool is our best seller these years.


Our handheld obd diagnostic tool are able to read trouble code, erase fault code, check I/M readiness, view freeze frame, test O2 sensor, on-board monitoring, test battery, obtain and display real time data, read vehicle information, read vehicle identification number code and so on.

All of these car diagnostic tools are plug and play. Do not require for complicated installation and no need to connect with external software or devices (Except for upgrades or printing). Some DTC diagnostic tools are with one-click quick query function, such as VIN, DTC and BAT, user just need to click the button on the OBD2 diagnostic tool so that can start diagnosis at once.

Main Functions of Diagnostic Tool

Fiberall automotive diagnostic tools are mainly for auto diagnosis, both passenger vehicle and commercial vehicle are, such as car, SUV, pick-up truck, light-duty vehicles, heavy-duty truck, Bus, agricultural vehicles or machinery etc.















V501 V502

Read Codes


Erase Codes


Data Stream




Real Time Curve







I/M Readiness



Freeze Frame


O2 Sensor Test














On-board Monitoring














Vehicle information (VIN Code)



Battery Test










Performance Test













EVAP test                      



√ (5)




√ (9)

√ (8)

√ (6)



√ (6)


√ (7)

√ (7) √ (7)










Note: The listed products may be upgraded. The above information is for reference only. The final support function is subject to the specification.

Compatibility of Automotive Diagnostic Tool

Most of Fiberall auto diagnostic tools are compatible with OBD-II, EOBD protocols and they are workable with most vehicles in the market. Not limited to gasoline or diesel vehicles, as long as the vehicle is equipped with the listed protocol, generally it will work. As for heavy -duty vehicles, Fiberall also have corresponding diagnostic tool for them. The compatible protocols and product models are listed as below for reference.

Vehicles with OBD-II Interface (J1962)

Vehicles with J1939/J1708 Plug

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)

1, SAE J1850 PWM (41.6Kbaud)

2, SAE J1850 VPW (10.4Kbaud)

3, SAE J1939

4, SAE J1708

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

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

7, ISO14230-4 KWP (fast init, 10.4 Kbaud)

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

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

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

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

Car, SUV, light-duty vehicles and so on, voltage 12V~24V

Diesel trucks, heavy-duty vehicles,  agricultural vehicles or machinery and so on, 

voltage 24~36V

Model: V300, V309, V310, V311, V311A, V312, V313, V316, V317, V319, V322, V502 etc.

Model: V500, V501, VP102 etc.

How to use Diagnostic Tool?

Most of Fiberall auto diagnostic tools are plug and play. There is no complicated installation and setting. And there is no need to connect with external software or devices (Except for upgrades or printing). If the presupposition system language is different from user’s native language, please select the available language in the settings first. The user manual is enclosed with package of the automotive diagnostic tool, if there is operation problem, please refer to the user manual, or visit our website (Support-Operational Issue) or Fiberall YouTube site for reference, if the problem still cannot be solved, please contact us without hesitation.


OEM & ODM Service for Diagnostic Tool

Fiberall is a manufacturer with R&D team. We provide not only standard products, but also R&D, OEM and ODM service for auto diagnostic tool.


  For our band product (OBM), customized label, logo, print, color, part number, user manual and packing are acceptable.

  For our neutral product, we accept all customization features mentioned above. Including label on screen, print on product, color of housing, revised information on user manual and packing.

  For existed products, shape of the cover/housing can be changed according to customized order based on MOQ and development agreement. Partial change like different patten is also acceptable.

  R&D service is available for operation system, new appearance, different display, compatible protocols, connector type, customized diagnostic cable etc.

  OEM service with customer’s solution is also acceptable.


Very good product, all works very well.


Robert from Poland

The instrument is compact, nice. Everything is intuitive.


Pancho from France

The diagnostic device for the car is very well.


Marcos from Spain

Very good quality of this item, efficient in use to clear the light of out of order inboard in the obd2 cars !


Donald from US

Everything is going OK!


James from UK

Quality is good. The mistake was considered and deleted.


Игорь from Russia

Shown all on screen in few seconds, super device.


Konrad from Germany

It came super fast. He recognizes buses with Cummins engines nothing to say. Just what I wanted.


JAVIER from Chile

Recommend Products

V309 handheld diagnostic scan tool is workable with both OBD-II and EOBD vehicles, no matter petrol car or other diesel vehicle, if it is supports the listed protocols, it will works. Other than basic function of reading trouble code, it is also able to view freeze frame data, check I/M readiness. Its shell is anti-skid designed according to human body characteristics and its red appearance is striking and elegant. Different to the Bluetooth obd code reader, the handheld obd2 diagnostic tool is with obd cable so that there is no connection and compatibility problem with it. If you have trouble like the engine light is on frequently, you don't know the reason for breaking down when driving outside, and you want to repair the car but you are afraid that the cost is too expensive, this auto diagnostic tool will be your intimate assistant to solve these problem.
V311B auto battery tester is suitable for 12V automobile starting battery, the working voltage is DC9 ~ 18V, please do not check batteries in series connection. The voltage value will be higher than normal voltage value if you use this battery diagnostic tool when the battery is fully charged, which has been checked under normal conditions. After the headlamp is turned on for 2-3 minutes, the condition will be relieved, and the battery will be checked after the voltage drops to the normal value. Do not use or store this car battery test tool in high temperature, high humidity, flammable, explosive and explosive environment. This automotive battery tester supports print function, it is able to print the saved screenshots, Connect type-C interface of the car battery tester with the computer, the computer will automatically install the driver, enter the printing interface, select the picture, press the OK button to enter the printing, and select the picture information on the computer
V311A is a handheld automotive diagnostic scan tool for OBD-II vehicle, it is a plug and play obd diagnostic instrument which does not require smartphone and App, save time to install and set application. Not limited to basic car diagnostic function and real time data display function, this auto diagnostic tool also detects I/M state (vehicle emission inspection and maintenance), and it is also able to be used as a battery tester to check battery voltage of the vehicle. Both the DTC fault code reader function (DTC) and battery tester function (BAT) are One-Click function and you will make the operation very simple and quickly. With help of this comprehensive obd2 diagnostic scanner, you will be the health master of your vehicle, you are able to find trouble fast in advice and avoid possible accident, and it also can help you to tackle every automotive problem that might arise and save maintenance costs.
V319 car diagnostic tool is a handheld device with obd2 cable and it can be used to diagnosis vehicle, read trouble code, show real time data and display them in curve, view freeze frame, check Vehicle Identification Number and I/M readiness status. The handheld diagnostic tool supports 12V OBD-II compliant vehicles and it also compatible with EOBD vehicles. It is a plug and play dtc diagnostic tool and no requirement for installation, setting or connecting with other device. It is with VIN key and DTC key on the board and user can start diagnosis or checking simply by press the key. Fiberall provide many color options for V319 auto diagnostic tool, please check the availability for the color you want before order. As for ODM version, please refer to anther model FA-V319 obdii diagnostic tool for more customized information.
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.
V316 is an new product of Fiberall. This auto diagnostic tool is with dual mode communication, it is with OBD cable but also supports Bluetooth. The dual mode communication is different from other handheld obd diagnostic tools, other handheld diagnostic tools do not support Bluetooth. And the two communication ways can be switched by one button. As other handheld products, V316 obd-ii diagnostic tool is able to read and erase trouble code, display instrument cluster data and other real time data. Performance testing is a very important function of this automobile diagnostic tool and it supports four type performance test, including accelerated performance testing, brake performance test, distance performance test and horsepower performance test. It also supports travel analysis and printing function. This Bluetooth diagnostic tool is with 2.4 inch HD display and supports 6 languages, App instruction and necessary accessories will be provided with the package.
V500 is an OBD-II diagnostic scan tool for both truck and car (petrol or diesel engine). Generally, OBD-II compliant vehicles after 1996 is workable with the auto diagnostic tool. And this diagnostic tool is also compatible with EOBD vehicles. It complies more OBDii protocol than any other obd diagnostic tools of Fiberall. Its main functions is reading and erasing DTC code. Other function includes checking I/M readiness, showing live data, viewing freeze frame, sensor testing, on-board monitoring etc. There are two diagnostic cables with the package of this truck diagnostic tool. One is obd cable and the other is truck diagnostic cable. When user need to test the truck, connect OBD connector of the diagnostic tool to the truck cable. The OBD2 diagnostic tool supports English, French and Spanish. If you are not from these language regions, the obdii diagnostic tool may not be suitable for you.
V311 is a handheld auto diagnostic scan tool supports OBD-II and EOBD vehicles. It is with OBD2 cable and do not need to use computer or smart phone to display the data, the diagnostic information can be showed on the screen of the obd diagnostic tool. It not only reads diagnostic trouble code, but also detects real time data. It displays the data in waveform on the color LCD display and supporting data storage and playback. As an on-board diagnostic tool, of course it is able to check emissions readiness. It is with stronger over-current and over-voltage protection function. So it will protect both the DTC diagnostic scan tool and the vehicle when necessary. It is suitable for international market and provide four languages for options. And this obd2 diagnostic tool is with type-c interface, user is able to upgrade the software when the new version is available.
V310 is an enhanced diagnostic tool for OBD-II vehicle, it supports most 12V gasoline vehicles, including cars, light duty trucks, SUVs, mini vans; but it does not work with diesel car or 24V heavy duty trucks or other hybrid vehicles or electric vehicles. It also can be used as a OBD code reader, other than read and erase fault code (DTC), display real time vehicle information, the vehicle diagnostic tool also can check VIN via one click mode, it is also supports smog check, it is emission test done on the exhaust system to see how many pollutants. Appearance design of this auto diagnostic tool is ergonomic and easy to handle, its default color is yellow/black and other color can be customized. It supports six languages and covers most main market in worldwide. Fiberall provide two packing ways for this obd2 diagnostic tool: blister box (plastic) or cardboard box, buyer can choose the preferred one according to your requirement.

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+86 13418549260

+86 13418549260






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