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Home > Auto Scanner Tools > Original brand > Launch X431 > Launch X431 Diagun IV Diagnotist Tool with 2 years Free Update X-431 Diagun IV Scanner

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Launch X431 Diagun IV Diagnotist Tool with 2 years Free Update X-431 Diagun IV Scanner

  • Item No.  CA399
  • History: 36  sold
  • Market Price: US$609.60
    Shop Price: US$508.00
    Promotion Price: US$508.00
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  • Stock  118
  • Weight:  3.0KG
  • Rate:  comment rank 40 () Write a Review

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Technical Support



New Released Launch X431 Diagun IV Diagnotist Tool with 2 years Free Update X-431 Diagun IV Scanner

X431 diagun iv is a new diagnostic tool release by Launch tech. It composed of an X-431 PRO pad computer, a protection sleeve, a DBScar diagnostic connector and many OBD1 to OBD2 connector. It communicate with your car by DBSCAR connect with bluetooth, it read car DTC and do diagnose function by the X431 Pro Pad computer, it achieves X431 series full car model and full system diagnose function, it can replace X431 Diagun III or X431 IV.Meanwhile, taking advantage of mobile internet, it integrates more application and service, such as creating maintenance data base and case library, providing instant maintenance information, establishing public and private maintenance social circle etc. As a result, it builds a broad vehicle diagnostic community, which helps you to share vehicle maintenance knowledge online, exchange vehicle maintenance experience online and provide vehicle maintenance related service support online. This will be another revolution raised by Launch in the vehicle diagnosis industry.


x431 diagun iv Original Bluetooth Distance: 10M (Without Obstacle)


Tablet with high configuration

Built-in Social Network Service allows access to diagnostic community

One-click update online via Wi-Fi

Remote diagnosis & maintenance with golo (optional) 


English, German, Japanese, Russian, French, Spanish, Russian,Arabic ,Korean Traditional Chinese...



1. Full Diagnose Function:

X431 diagun iv can diagnose the electronic control system of prevailing vehicle models covering Asian, European, American and China. Full range car models and full car system diagnose make it a professional automotive diagnostic tool.

Diagnosis functions include: Read DTCs, Clear DTCs, Read datastream, Special functions etc;


2. Connecting by Bluetooth

X431 diagun iv communication via bluetooth, very easy to use.  X431 pro Pad computer specially designed for Android platform with clear and user-friendly interface. X431 pro Pad computer equipped with an exclusive X-431 V protection sleeve to prevent it from being damaged;


3. Browser:

Built-in Wi-Fi module makes surfing on the internet freely;



To configure your personalized X-431 diagun iv through it;


5. Search:

Enables you to locate your target quickly and conveniently;


6. Email:

Allows you to send and receive email. External POP3 or IMAP email account for some common Web email service provider can be added;


7. File Manager:

You can manage the files or downloaded files stored in SD card efficiently;


8. Other Additional Functions:

Alarm, calendar and calculator etc.


9. Applications:

Other android based applications can be customized to install or uninstall.

Diagun IV (Diagun4) Compatible Vehicle Brands:

· Abarth

· Acura

· Alfa Romeo

· Audi

· Bentley


· Buick

· Cadillac

· Chevrolet

· Chrysler

· Citroen

· Dacia

· Daewoo

· Daihatsu

· Dodge

· Fiat

· Ford


· Geely


· Goinggreen

· Greatwall

· Holden

· Honda

· Hyundai

· Infiniti

· Isuzu

· Jaguar

· Jeep

· Lancia

· Land Rover

· Lexus

· Mazda

· Mercedes-Benz

· Mini

· Mitsubishi

· Nissan

· Opel

· Perodua

· Peugeot

· Range Rover

· Renault

· Saab

· Seat

· Skoda

· Smart

· Ssangyong

· Subaru

· Suzuki

· Tata

· Toyota

· Vauxhall


· Volvo

User Comment(Total 12 Customer Reviews)

  • by VALERIY IVCHENKO,Dec 09,2017

    A great tool to can improve in any cars a reliability diagnostic procedure, honestly i am very grateful about the Launch X431 Diagun IV, really an incredible equipment, the time of delivery was so fast and the product comes in perfect conditions

    Reply #1 by CNAUTOTOOL Dec 09,2017
    Thanks for your support for our product


  • by Jan Sundal,Nov 16,2017

    Can this program key fobs

    Reply #1 by CNAUTOTOOL Nov 16,2017
    Yes it will on most cars, thank you


  • by rickard sundelin,Oct 27,2017

    Can. This activate the fuel pump. For testing

    Reply #1 by CNAUTOTOOL Oct 27,2017
    Yes, it is ,thank you


  • by PLEVENAGE,Oct 03,2017

    can this re calibrate the electronic throttle position sensor on Japanese vehicles

    Reply #1 by CNAUTOTOOL Oct 03,2017
    Yes it can scan it is a good device but except Tata brand cars and some Mahindra cars it will not connect , thank you


  • by Justin sinisi,Sep 17,2017

    A great tool to can improve in any cars a reliability diagnostic procedure, honestly i am very grateful about the Launch X431 Diagun, really an incredible equipment, the time of delivery was so fast and the product comes in perfect conditions.

    Reply #1 by CNAUTOTOOL Sep 17,2017
    Thank you so much for kindness feedback


  • by Alan Sprague,Sep 13,2017

    Can this scanner support bi-directional functions

    Reply #1 by CNAUTOTOOL Sep 13,2017
    Yes it can control EVAP,fuel pump and other outputs.Even in Body and Chassis.Works on most cars I have used it on. thank you


  • by Alfred Araujo ,Aug 23,2017

    do this device support Spanish?

    Reply #1 by CNAUTOTOOL Aug 23,2017
    Yes , it support Spanish , thank you


  • by Michelle lara,Aug 19,2017

    just verified my product from original launch website , good tool

    Reply #1 by CNAUTOTOOL Aug 19,2017
    Thanks for your positive feedback


  • by Midwest Melinda ,Aug 08,2017

    I register product as per instructions and it download all software, very easy to do

    Reply #1 by Cara Aug 08,2017
    Thanks for your good feedback , this tool with the user maunal in the package , thank you


  • by Gilberto R.,Jul 22,2017

    work great , thanks

    Reply #1 by Cara Jul 22,2017
    Thanks for your positive feedback


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About Us - Professional Auto Diagnostic Tools Supplier. We provides car diagnostics tools for Do-It-Yourself and professional automotive mechanics. If you have any problems, don't hesitate to contact us, send email to or chat online. We are well organized by a group of rich-experienced design experts who have been engaging in auto diagnostic tools for more than 10 years. FREE, Professional & Unlimited Technical Support, Factory Price!

Shipping Terms:

a) Items will be sent to all the countries over the world.This package will be sent by Hongkong Airmail Post,EMS,UPS or DHL.

b) Items will be checked carefully before sent out.

c) We will use air bubbles to wrap the items carefully.

Shipping Time:

a) one business days for order processing after received the payment.

b) The shipping time is about 2 to 5 days via UPS DHL and EMS,15-30days via HK POST AIR to Worldwide

Note: We hope it arrive on time but since this is an international delivery, shipping time will be highly depended on the courier company and local customs/duties. Thank you for your understanding.

Return Policies:

If you are not satisfied with your purchase .please contact us quickly, we can exchange one to you,but buyers is responsible for the returning shiping cost .
If you have any item proplem, just email us quickly, we will do our best to slove it in 24 hours, please don’t leave bad feedback before contacting us, it is not the best way to slove proplem. thank you!
If you want more items we can give you a little discout,thank you!

Contact Us:

Our office hours are 24hours 7 days online service
And if nobody answer you online in time sometimes,do not worry.leave us a message or write down your desires,we will contact you as soon as possible.

Attention: PLZ leave your telephone number and address in detail when you take order in our website, it is very important to ship your order. (Customers from Brazil PLZ leave your Cutsom ID also, thanks!)

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