Product Detail

Launch X431 Diagun IV Full System Diagnsotic Tool X-431 Diagun 4 WiFi Bluetooth Scanner with Special Function Update Online

  • Quantity
Ford IDS V108.01 Software has been tested can work on Ford VCM I, VCM 2 and VXDIAG NANO Ford interface sold in the markets

Enjoy 7% Discount via Coupon Code: EOBDTOOL, Products with"Promotion" or"Sales" can not use Coupon Code

  • Item No.
  • HKSP300
  • Shipping
  • Free Shipping
  • Weight
  • 2.50Kg
  • Package
  • 39.70cm*29.80cm*10.70cm
Launch X431 Diagun IV Powerful Diagnotist Tool with 2 years Free Update X-431 Diagun IV Code Scanner

Launch X431 Diagun 4 highlights:
1. Support more than 20 languages, you can change the language by yourself easily
   English, German, Japanese, Russian, French, Korea, Arabic, Spanish, Italy, Portuguese, Polish, Turkish, Dutch, Greek, Hungarian, Arabic, Danish, Persian, Romanian, Serbian, Finnish, Swedish and Czech

2. Update: Launch X431 Diagun IV Update online two years for free, One-click update online via Wi-Fi, after two year, the update fees is 459USD/year.

3. No IP Limit, No need authorization, directly to use

4. Add 11 Special Function:
    Brake Reset, Oil Reset, SAS Reset, BAT.Reset, Bleeding, Elec.TH Tottle Rottle Rlrn, TPMS Reset, DPF REG.

5. 2017 Latest version Diagun, with Android 7.0 system

6. SD Card storage: 16GB, big capacity, engough room to download all softwares you want

7. Handset, Easy to operate, avoid broken or lost bluetooth adpater

Launch X431 Diagun IV User Manual

X-431 Diagun 4 Description:
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.

IMPORTANT: NEVER use Jump Leads, Start Booster or other sources of External Power while tester is connected to diagnostic socket because it will damage the diagnostic Main Unit. Do not connect or disconnect a diagnostic tool whilst the engine is running since the tool may be damaged
Launch X431 Diagun 4 Features:
Tablet with high configuration
Built-in Social Network Service allows access to diagnostic community
Remote diagnosis & maintenance with golo (optional) 
x431 diagun iv Original Bluetooth Distance: 10M (Without Obstacle)
Launch Diagun Function:
 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.

X431 Diagun IV Support Vehicles Brand:
Abarth, Acura, Alfa Romeo, Audi, Bentley, BMW, Buick, Cadillac, Chevrolet, Chrysler, Citroen, Dacia, Daewoo, Daihatsu, Dodge, Fiat, Ford, GAZ, Geely, GMC
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, VAZ

X431 Diagun IV Overseas Online Configuration(301100424)
Serial Number Software Category name of software Version Code
1 -  OBDII Diagnostic Software  V22.42 X109020181
2  Reset Throttle Matching Diagnostic Software  V10.46 X109023122
3  Reset Exhaust Diagnostic Software  V10.45 X109023121
4  Demo Program  V14.80 X109020277
5 European Cars  SAAB Diagnostic Software  V22.91 X109020442
6  SMART Diagnostic Software  V17.55 X109020474
7  SPRINTER Diagnostic Software  V20.64 X109020451
8 European Cars  X431,IZH Diagnostic Software  V11.10 X109023498
9  X431,PAZ Diagnostic Software  V11.10 X109023501
10  X431,SeAZ Diagnostic Software  V11.10 X109023500
11  X431,UAZ Diagnostic Software  V11.10 X109023497
12  X431,ZAZ Diagnostic Software  V11.10 X109023499
13  X431,Aston Martin Diagnostic Software  V10.02 X109023789
14  X431,BMW/ Mini/Brilliance BMW/ Rolls-Royce Diagnostic Software  V49.50 X109020175
15  X431,Mercedes-Benz/Maybach diagnostic software  V48.40 X109020174
16  X431,Peugeot/Dongfeng Peugeot Diagnostic Software  V43.10 X109020243
17  X431,Volkswagen/Bentley/Bugatti Diagnostic Software  V27.80 X109020180
18  X431,Ferrari Diagnostic Software  V10.20 X109023491
19  X431,Fiat/Abbas/Lancia/ Romeo Diagnostic Software  V34.60 X109020271
20  X431,Renault/DACIA diagnostic software  V42.40 X109020273
21  X431,Maserati Diagnostic Software  V10.20 X109023490
22  X431,Citroen/Beverly Diagnostic Software  V41.10 X109020303
23   Audi Diagnostic Software  V27.81 X109020430
24   Porsche Diagnostic Software  V21.90 X109020332
25   Regal Diagnostic Software  V43.00 X109020242
26  Land Rover Diagnostic Software  V33.00 X109020331
27  Rover Diagnostic Software  V23.13 X109020420
28  Opel Diagnostic Software  V41.80 X109020244
29  Skoda diagnostic software  V27.80 X109020432
30  Seat diagnostic software  V27.80 X109020431
31 American Cars  X431,Chrysler/Dodge/Jeep Diagnostic Software  V31.30 X109020252
32  X431, UDA Ford/China Ford/Lincoln Diagnostics Software  V46.40 X109020250
33  X431,GM/Buick/Cadillac/Chevrolet Diagnostic Software  V45.80 X109020251
34 Australian Cars  X431,AU Holden  V43.04 X109023130
35  AU Ford  V25.18 X109020255
36 Brazilian Cars  X431,Diagnostic Software for Fiat in Brazil  V10.17 X109021410
37  GM Diagnostic Software Specially for Brazil vehicles  V13.92 X109020629
38 Russia  GAZ Diagnostic Software  V12.20 X109020301
39  VAZ Diagnostic Softwar  V15.10 X109020300
40 Korean Cars  X431,Samsung Diagnostic Software  10.22 X109023042
41   Daewoo Diagnostic Software  V26.88 X109020247
42  Kia Diagnostic Software  V44.00 X109020249
43   Ssangyong Diagnostic Software  V18.90 X109020383
44   Hyundai Diagnostic Software  V49.90 X109020248
45 Malaysia  PERODUA Diagnostic Software  V13.31 X109020189
46  PROTON Diagnostic Software  V14.40 X109020188
47 Japanese Cars  X431,Honda/Acura/Dongfeng Honda/Guangzhou Honda Diagnostic Software  V46.31 X109020178
48  X431,Toyota/ Lexus/China Toyota Diagnostic Software  V48.81 X109020177
49  X431,Mazda/China Mazda Diagnostic Software  V40.70 X109020241
50  X431,Nissan/Infiniti/Dongfeng Nissan Diagnostic Software  V43.30 X109020179
51  X431,Japan Isuzu/Thailand Isuzu Diagnostic Software  V15.90 X109020259
52  Daihatsu diagnostic software  V20.23 X109020441
53   Suzuki Diagnostic Software  V36.60 X109020245
54 Japanese Cars   Mitsubishi Diagnostic Software  V32.00 X109020182
55  Subaru Diagnostic Software  V22.91 X109020260
56 Iranian cars  X431,SAIPA Diagnostic Software  V10.02 X109023448
57 Indian cars  MAHINDR ADiagnostic Software  V11.06 X109010046
58  MARUTI Diagnostic Software  V14.06 X109020290
59  TATA Diagnostic Software  V13.06 X109020289

Launch X431 Diagun 4 Support System:
Petrol & Diesel Engines, ABS, Airbags, Auto Transmisson, Immobilizer, Key Coding, Cruise Control, Instruments, Body Systems, Self Leveling Suspension, Seats, Doors, Gateway, Steering Angle, Air Suspension, Electronic Power Steering & Motor Assisted, Power Steering, Tyre Pressure, Rain Sensors, 4WD System, Stabilizer, Intelligent Parking Assist, Door Motors, Audio Systems, Air Conditioning, Tiptronic, Anti Theft, Soft Top, Headlamp Leveling, Central Locking, Automatic Clutch, DPF Reset, Electric Windows,Plip Programming, Heated Rear Window, Xenon Headlights, Wash Wipe, Fuel Burning Heater, Transfer Box, Seat Memory, Oil Life Service Reset, Sliding Doors, Electronic Throttle, Navigation System, Rollover Sensor, Cruise Control, Multi Function Steering Wheel, Aux Heating, Electronic Parking Brake, Clutch Electronics, and many, many more.

X-431 Diagun IV Technical Parameters:
Operating system:Android 7.0
Processor:Quad core 1.1 GHz
Storage:16GB (Expandable up to 64GB)
LCD screen:5.5 inch IPS screen with a resolution of 1280 x 720 pixels
Camera:Front-facing 2MP camera + rear-facing 8MP camera
Battery:2500mh rechargeable polymer lithium battery
*Wi-Fi: WLAN 802.11b/g/n
*Bluetooth: Bluetooth 4.1
Working temperature:0℃ ~ 45℃
Storage temperature:-10℃ ~ 50℃
VCI connector:
Working voltage:9~18V 
Working temperature:-10℃~55℃ 
Storage temperature:-20℃~70℃
Relative humidity:20%~90%
Packing List:
1pc x Diagun lV overseas host RoHs
1pc x DBScar lV diagnostic connector RoHs
1pc x X431 AIT OBD16  extension ine RoHs
1pc x Diagun IV quickstart(English)RoHs
1pc x X431 PIN anvelope

Difference between X431 Diagun IV and X431 Diagun III
Item Name Launch X431 Diagun III Diagun 3 Launch X431 Diagun IV Diagun 4
Main unit Image X431 Diagun 3 x431 Diagun 4
Bluetooth DBscar Connector x431 Diagun 3 Bluetooth x431 diagun 4 bluetooth
Operating System WIN CE 5.0 Android 7.0
Processor 400 MHz ARM9 Quad core 1.1 GHz
Memory 1G TF Card 1GB (Expandable up to 32GB)
Storage 1GB 16GB (Expandable up to 64GB)
LCD Screen 194X86X33MM, 4.3-inch LCD with touch screen  5.5 inch IPS screen with a resolution of 1280 x 720 pixels
Battery 3800 mAh 2500mh rechargeable polymer lithium battery
Offcial Website
Language English, Spanish, French, German, Japanese, Korean, Russian,Arabic English, German, Japanese, Russian, French, Spanish, Russian, Arabic ,Korean Traditional Chinese…
Update 1 Year Free Upgrade 2 Year Free Upgrade
Bluetooth theoretically 100m, suggest 15-20m Bluetooth 4.1.10M (Without Obstacle)
WiFi USB Wi-Fi: WLAN 802.11b/g/n
Function Full diagnosis (Read/erase DTCs, display live data stream etc) Full-diagnosis, Oil Reset Service
Steering Angle Calibration
Electronic Parking Brake Reset
Battery Register / Battery Maintenance
ABS Bleeding
Electronic Throttle Position Reset / Learn
Diesel Particulate Filter (DPF) Regeneration
Tire Pressure Monitor System Reset(Note: some China cars have Speicial Functions)
Vehicle/Car List Software: Demo,Smart OBDII
America: Ford,Chrysler,GM,Acura,INFINITI,Lexus
Australia: Ford
Brazil: GM,Fiat
China:  Brilliance,










Xiamen Golden,




Europe: Audi,






























Russia: GAZ,

Korea: Kia,




  Abarth Acura·         Alfa Romeo·         Audi

·         Bentley

·         BMW

·         Buick

·         Cadillac

·         Chevrolet

·         Chrysler

·         Citroen

·         Dacia

·         Daewoo

·         Daihatsu

·         Dodge

·         Fiat

·         Ford

·         GAZ

·         Geely

·         GMC

·         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

·         VAZ

·         Volvo

Other Cable 9 pcs Non-16 pin cable
Printer Buy SO118 Pinter Buy SO118 Pinter
Price 639.00USD 588.00USD

X431 Diagun 4 FAQ:
1. How to save power?
Please turn off the screen while X-431 Diagun IV keeps idle.
Set a shorter standby time.
Decrease the brightness of the screen.
If WLAN connection is not required, please turn it off.
Disable GPS function if GPS service is not in use.
2. What should I do in case I forgot the screen lock?
You can set screen lock as pattern or password. If you forgot the password,
please consult your device provider or reset your device.
 Warning: Resetting may cause data loss. Before use, please make sure important
data has been backed up.

3. How to do if the system runs slow?
In this case, please do the followings:
> Check all running applications and stop the unnecessary applications (Steps: Settings -> Apps -> Running -> Tap the desired application and then tap “Stop”).
> Check all installed applications, remove the unnecessary applications (Steps: Settings -> Apps -> Downloaded -> Tap the desired application and then tap “Uninstall”).
If all steps mentioned above are finished and the system still works slowly.
Please try to close the system and reboot your X-431 Diagun IV.

4. How to reset X-431 Diagun IV?
Resetting may cause data loss. Before doing so, please make sure important data and information has been backed up.
Do the following to reset X-431 Diagun IV:
1. Tap “Settings” --> “Back & Reset”;
2. Tap “Factory data reset”;
3. Tap “Reset tablet”;
4. Tap “Clear all data” to start resetting until the tool automatically reboots. 
Reviews 6
#1 kgostso
May 06, 2017
what's the update cost after two years?
#2 Mr. gary
May 06, 2017
does it have greek language?
  • Reply #1 Susan May 17, 2017
  • Hi friend

    Have a nice day

    Yes, it support Greek language

    Kindly regards

#3 Mr. david duong
Jun 02, 2017
How to register X431 DIAGUN IV ?
  • Reply #1 Susan Jun 15, 2017
  • Hi friend

    Have a nice day

    Please check the launch x431 diagun iv user manual here:

    Kindly regards

#4 Mr. Moore
Jul 04, 2017
what's storage of the sd card?
  • Reply #1 Susan Jul 09, 2017
  • Hi friend

    Have a nice day

    The sd card is 16GB, big capacity, engough room to download all softwares you want

    Kindly regards

#5 Mr. Townshend
Jul 04, 2017
does diagun 4 support Oil Reset function?
  • Reply #1 Susan Jul 09, 2017
  • Hi friend

    Have a nice day

    Yes, x431 diagun 4 support oil reset functions

    Kindly regards

#6 Mr. Marie
Jan 08, 2018
do you have in uk stock?
  • Reply #1 Susan Jan 10, 2018
  • Hi friend

    Have a nice day

    It is not in stock in uk, need ship from China

    But we can write low price to avoid high tax

    Kindly regards

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