LAUNCH® X431 Diagun V ECU Coding and Bidirectional Test OBD2 Scanner

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✅All Systems Diagnosis+Bi-Directional Test+ECU Coding+28 Free Reset Functions: LAUNCH X431 Diagun V can diagnose all systems of the car, complete ECU coding, bidirectional testing, key matching, and other advanced functions; 28 special functions for most car models, ACINI, Adbule, AFS, Airfuel, Bleed, BMS, BOX, Brake, Coolant, DPF, EGR, ENGPBM, ETS, GPF, ICCS, IMMO, INJEC, Noxsensor, OIL, PROG, SAS, Stopstart, SUN, SUS, TPMS, Transport, TYRE, Window reset functions. (More reset functions are in the car softwares!)
LAUNCH X431 Diagun V All System Diagnostic Tool with ECU Coding
High-quality Hardware: LAUNCH X431 Diagun V is the upgrade version of LAUNCH X431 Diagun IV. Use Lenovo tablet with Android 7.0 system, 5.5-inch screen, 1280*720 resolution, rear 500W camera, 2.4GHz WiFi, 4680mAh battery, 32G memory (expandable to 64G), high-speed quad-core processor. Free upgrade within 2 years after activation!
LAUNCH X431 Diagun V ECU Coding and Bidirectional Test OBD2 Scanner
✅Vehicle Coverage+24 Languages: LAUNCH X431 Diagun V can diagnose major vehicle models of  Asia, Europe, the United States, up to 135+ car brands, and up to 10,000 car models. Support English, French, Spanish, German, Russian, Korean, Japanese, Portuguese, Italian, Polish, Dutch, Hungarian, Finnish, Czech, Turkish, Greek, Arabic, Danish, Romanian Languages, Serbian, Swedish, Chinese, Thai, and Persian.
LAUNCH X431 DIAGUN V Bi-Directional Scan ToolShare and Print Your Diagnostic Report: Generate a health report with one click, you can share the diagnostic report with your customers or technicians via Wi-Fi, support data stream recording and playback, view historical records, etc. For deep-seated problems, you can also provide diagnostic feedback and hand it over to LAUNCH's official staff for handling.
LAUNCH X431 DIAGUN V Bi-Directional Scan Tool
Launch Diagun V manual
Launch Diagun V app
Join Launch scan tool group 

What is the difference between LAUNCH X431 Diagun V, LAUNCH X431 Pro Mini 3.0, LAUNCH X431 V 4.0, LAUNCH X431 PRO3S+, and LAUNCH X431 Pad V?

Click here to see clearer pictures and more detailed comparisons!the difference between LAUNCH X431 Diagun V, X431 Pro Mini, X431 V 4.0, X431 PRO3S+, and X431 Pad V

What updates does launch x431 Diagun V did base on Diagun IV?
1. Add the storage of x431 Diagun V from 16G to 32G, which makes the scanner work faster.
2. Adjusted the screen border, making the scanner looks bigger.
3. Add more live data streams.
4. The vehicle health report can display more data.
5. Diagun V solved the battery problem, now the battery can work a long time than Diagun IV.
6. Fixed more bugs and Upgraded new makeup to 2020 models, including cars, SUVs, minivans, and 12V light-duty trucks.
How long are the free upgrades and the warranty?
2 years free upgrade, 1-year warranty.


Operating system: Android 7.0
Processor: Quad-core 1.3 GHz
Memory: 2GB
Storage space: 32GB (expandable up to 64GB)
LCD screen: 5.5 inches IPS screen with a resolution of 1280 x 720 pixels
Camera: 5MP camera
Battery: 4680mh rechargeable polymer lithium battery
Wi-Fi: 2.4GHz
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%

1 * X-431 Diagun V Scanner
1 * Charge Connector
1 * USB Cable
1 * Plastic Box
10 * Cables
11 * Connectors
  • Is there a screen protector available for the X431 Diagun V?

    Hello, this machine does not come with a screen protector!

  • Hello i would this tool but does it have odometer correction

    Hello, this product supports, you need to purchase this function in the mall of this product before you can use it!

  • Does this work on 2010 suzuki kizashi?

    Hello, this product can diagnose this model!

  • Can I use this tool to write a vin on used pcm?,im working on 2007 Ford Fusion 3.0 litre

    Yes, you can use it.

  • Can this unit rewrite vin numbers? Currently installing a used motor and ecu in a 2004 Ford Ranger. I need to change the vin in the ecu to match vin plate.

    Sorry to reply late.Yes,it support.

  • im looking to buy a vci connector for my x431 diagun v is that something you can get

    Hi, please email us with the Launch serial number

  • if you skip an update doyou have to pay for skipped update to get a current update

    Yes sir, if you want to renew for Diagun, please send the serial number to us via email.
    Thanks for asking

  • Will this tool do a injector cut off test and cylinder performance test a 2015 Ram 2500 6.7 Cummins?

    Yes, of course!

  • Will this do a crank sensor relearn? Will it do the cam sensor relearns?

    Hello it can do ECU coding for all system that includes crank sensor relearn and more...

  • Where is located this company on USA or somewhere else? And how log Take for the orders to be processed After full payment. Thank you

    Hi dear,Kingbolen is Top Launch dealer from China but the scan tool works well on USA car brands.

    Normal,you will get the package within one week afer ordered it.But it will be extended from one week to half a month because of covid-19.

    Thanks for you question.

  • Just a question dos it do diesel injectors buzz test?

    Yes,Launch X431 Diagun IV is a bidirectional scan tool.
    So it have the ability to actuate relays, injectors and coils, perform system tests, etc.

    Launch scan tool bidirectional test video

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