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LAUNCH X431 Diagun V Bidirectional Scan Tool All System Diagnostic Tool

3-7 Busines Days

X-431 Diagun V is a diagnostic tool specially designed for automotive maintenance technicians. A tiny body, powerful diagnostic function, convenient online upgrade, and integrated multifunctional connector are all the preferable choices for a technician.

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Handling time with 24 hours.

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30 days free return, 3 months exchange, 3 years warranty.

LAUNCH X431 Diagun V Full system diagnostic tool + ECU Coding+Actuation Test+more than 11 Special Function + Bluetooth/Wifi Connection + Free Software +2 Years Free Update+32GB Memory


X-431 Diagun V is a diagnostic tool specially designed for automotive maintenance technicians. Tiny body, powerful diagnostic function, convenient online upgrade, and integrated multifunctional connector are all the preferable choices for a technician

ALL System Diagnose Function:

X-431 Diagun V can diagnose the electronic control system of prevailing vehicle models covering Asian, European, American, and China. A full range of car models and full car system diagnosis make it a professional automotive diagnostic tool. Include ABS System, Engine System, SAS System, TPMS System, IMMO System, Battery System, Oil Service System, SRS System,PDF System,Air Conditioning System, Transmission System, etc...

ECU Coding

The Coding function is used to re-flash the vehicle control modules. It is used to reprogram adaptive data for vehicle control modules after repairs or replacements of vehicle parts; Provide solutions for the issues of Drivability, Fuel Efficiency, Power Loss, Fault Codes, Durability of Mechanical Parts, etc.; Brake the limitations and restrictions; make full use of the car hidden features, like change the chimes on car, set how many times the one-touch signal flickers for one-touch, remember settings for Start/Stop systems, and more.


Test Active test is to test output elements. You can figure out whether a specific subsystem or component in your car functions well or not by using this tool to make the tester outputs function instead of checking in ignition status. For example, Actuation tests to activate actuators such as doors, windows, windscreen wipers, etc.

Auto VIN Tech

It supports quick diagnosis via one-button VIN scanning. 2 Years Free Update Online It is easy to do an update with One-Click on the tablet via a wifi connection. All supported car brands' software is included, you don't need to buy software separately. After two years, you can still use it without an update. It will not be locked. If you want to buy an updated service after two years, you can click the X431 V app or contact us to pay for it.

LAUNCH X431 Diagun V Support More than 11+ Kinds of Special Reset Service Functions: (NOTE: You can find 11 kinds of commonly used reset functions in the reset menu and other special functions in the car brand diagnostic software menu)

Oil Reset:

allows you to perform reset for a new calculation of the Engine Oil Life system once changed the oil.

EPB Reset:

is important in the maintenance of the electronic braking system's safety and efficiency.

BMS Reset:

allows the scan tool to evaluate the battery charge state, monitor the close-circuit current, register the battery replacement, and activate the rest state of the vehicle.

DPF Reset:

specially works for Diesel Particulate Filter system with DPF regeneration, DPF component replacement teach-in and DPF teach-in after replacing the engine control unit.

SAS Reset:

helps clear the fault steering angle sensor memories and plays an important role in the steering angle sensor calibration.

TPMS Reset:

makes sense in displaying sensor IDs from the vehicle's ECU, inputting TPMS sensor replacement IDs and testing sensors.

IMMO reset:

it is mainly used to disable the lost vehicle keys and program a new replacement key fob.

ABS Bleeding:

ABS brake bleeding to get a firm brake pad after air exhaustion.

Throttle reset:

The throttle body is a tube containing a pivoting flat valve (butterfly) that is used to control the amount of air entering an engine. In an electronically fuel-injected car, a throttle position sensor and airflow sensor communicate with the computer, which supplies the corresponding amount of fuel needed at the injectors. It must need re-learning throttle sensor position after clearing or repair

Gear Learning:

The scan tool monitors certain camshaft position sensors signals to determine if all conditions are met to continue with the procedure for the Engine running

Injector Coding:

Leaking injectors and some dead injectors can be missed even when an injector is disabled. Other problems with the ignition system and mechanical components also may not show an rpm loss when an injector is turned off ......

Note: These special functions NOT for all car models, if you are confused, please send your car brand, model, and release year to the seller to check it for you.

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