Launch X431 PROS is the newest professional scan tool released by Launch. it features advanced functions, like ECU coding, active test, key program, reset service function, guided function, IMMO, ADAS calibration, and flash hidden function.
LAUNCH X431 PROS V 4.0 Professional Automotive Scanner
1. All System Diagnostics + 31+ Service Functions + ECU Replacement & Coding + Bi-Directional Control
2. Worldwide Coverage:
Cover mainstream cars in Asia, America and Europe ( Serve for Passenger Car, SUV, Pickup, etc.)
3. Work with Other Extended Modules, such as: X431 PROG3
, Launch TSGUN
, Launch BST360
, Videoscope, WiFi Printer, X-431 ADAS Mobile/ PRO
4. With 2 Years Free Update Online
5. Support Multi-Language:
English, German, French, Spanish, Russian, Portuguese, Italian, Polish, Dutch, Hungarian, Finnish, Czech, Turkish, Greek etc.
6. High-End Configurations
include Android 9.0 System, 5000mAh Capacity, Wi-Fi, Bluetooth Connection, ROM: 32GB+128GB (expandable), 8" Screen, 1280*800, Front 2MP Rear 5MP.
LAUNCH X431 PROS V4.0 diagnostic tool features a variety of useful reset & relearn, and advanced service functions to make servicing a breeze for mechanics in the workshop. It is a phenomenal diagnostic tool kit that has everything one could need for modern automotive maintenance and alteration. Programming, scanning, and testing are all covered by its accompanying software.
LAUNCH PROS V enables you to solve 98% of car problems worldwide. This cost-effective scanner is designed with so many useful diagnostic functions that can quickly locate the problems hidden in the hood and fix bugs. The top choice for diagnostic technicians, garages, and car mechanics, auto repair shops, automotive engineers and auto repair apprentices, etc. When the car breaks down in a remote road or at home, the LAUNCH PROS V will be your timely rain.
Cover mainstream cars in Asia, America and Europe.
1. American Cars
New Added "OE-LEVEL" Function of LAUNCH X431 PROS V4.0
1. Guided Functions: Compatible with Volkswagen / Audi / Skoda / Seat etc.
2. Component Matching: Compatible with Volkswagen / Skoda / Seat / BMW / GM / Ford / Opel / Mazda / Fiat / Honda / Nissan / Hyundai / Kia / Subaru etc.
3. Online Coding: Compatible with Volkswagen / Audi / Benz / BMW / Seat / Porsche etc.
4. Online Account Login Service: Compatible with Volkswagen / Audi / Skoda / Seat etc.
5. Online Calibration: Compatible with Volkswagen / Audi / Skoda / Seat etc.
6. Online Parameterization: Compatible with Volkswagen / Audi / Skoda / Seat etc.
7. Power Balance: Compatible with Chrysler / GM / Ford etc.
8. Programmable Module Installation: Compatible with Ford / Mazda etc.
9. Flash Hidden Functions: Compatible with BMW / Porsche / Toyota / Subaru etc.
10. Actuator Test : Injector Test ;Turn Off ACC Lane Keeping Assist System (LKAS) ;Turn ON/OFF Front and Rear side ACM Solenoid , turning the fuel pump on and off, cycling the a/c ,clutch on and off, Left clutch electromagnetic coil test，Acceleration Device Test，Oil Pressure Control Test，DYNAMIC camera aiming，Vehicle level position calibration, Brake Vacuum Pump, Inlet and Outlet Valve tests, Open Brakes tests, Parking Brake Botors, Wheel Speed Sensor Supply, PARKING BRAKE tests （Vary by car, Hundreds of actuation test functions ） …
More functions and vehicle coverage is developing and waiting you to discover ........
Buick; Cadillac; Chevrolet; Chrysler; Dodge; Ford; GM; Hummer; Jeep; Lincoln; (BRAZIL) BX-Fiat; BX-GM
2. European Cars
Abarth; Alfa Romeo; Audi; Bentley; Benz; BMW; Bugatti; Citroen; Dacia; EU-Ford; Ferrari; Fiat; Jaguar; Lamborghini; Lancia; LandRover; Maserati; Maybach; Mini; Opel; Peugeot; Porsche; Renault; Rolls-Royce; Rover; Saab; Seat; Skoda; Smart; Sprinter; Vauxhall; Volvo; VW; (UKRAINE) ZAZ; (RUSSIA) GAZ; IZH; PAZ; SEAZ; UAZ; VAZ
3. Asian Cars
(JAPAN) Acura; Daihatsu; Honda; Infiniti; Isuzu; Jpisuzu; Lexus; Mazda; Mitsubishi; Nissan; Nissan GTR; Scion; Subaru; Subaru; Suzuki; Tlisuzu; Toyota; (KOREA) Daewoo; Hyundai; KIA; Samsung; Ssangyong; (CHINA) Baic; Beijing; Changan; Changan-Ford; Changcheng; Changhe; Chsuzuki; DF Peugeot; DF Honda; DF Nissan; DF XK; Flyer,BYD; Fukang; Futian,Foton; Geely; Gonow; GZ Honda; Hafei; Haoqing; HC BMW; Hmada; Huachen; Isuzu,JMC; Jacty; Jianghuai; Jiao; Jinlong; Joylong; Lifan; Liuwel-TY; Luxgen; NJ Fiat; Qirul-TY,chery; Qoros; Saicmg; Spark-TY; TJ Toyota; Trumpchi GAC; Weili; Xiaokang Dongfeng; Xili,Faw Tianjin; Xinkai; YQ Mazda; Zhongshun; Zhongtai,Zotye; Zhongxing; (INDIA) Mahindra; Maruti; Tata; (MALAYSIA) Perodua; Proton; (IRAN) MVM
4. Australian Cars
Launch X431 PROS V4.0 Function:
1. All Systems Diagnoses
This LAUNCH diagnostic scanner can establish a data link to all systems and subsystems of the vehicle being serviced to:
1) Retrieve ECU information of the tested control units including unit type, version numbers, and other specifications, etc.
2) Read & erase DTCs to locate problem areas and clear the codes.
3) View Live Data of each parameter item.
The following is a list of modern vehicle systems that this scan tool can get access to:
1) Engines/ Auto Transmission/ Airbags/ ABS / Cruise Control/ Instruments/ Self Leveling Suspension systems
2) Seats/ Doors/ Gateway/ Steering Angle/ Air Suspension/ Body Systems/ Electronic Power Steering & Motor Assisted/ Power Steering/ Tyre Pressure/ Rain Sensors/ 4WD System
3) Stabilizer/ Intelligent Parking Assist/ Door Motors/ Audio Systems/ Air Conditioning/ Tiptronic/ Anti Theft/ Soft Top/ Headlamp Leveling/ Central Locking/ Automatic Clutch/ DPF Reset
4) 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
5) Navigation System/ Rollover Sensor/ Cruise Control/ Multi Function Steering Wheel/ Aux Heating/ Electronic Parking Brake/ Clutch Electronics ... and more.
This comprehensive scanning process is able to locate the faulty systems and retrieve the DTCs related easily. So you can work on all parts of the vehicle systems to enhance the performance, save energy, reduce emissions, and everything else.
2. Special Functions
1) Oil Reset: Reset the oil life system and turn off the oil light after replacing the oil or oil filter to start a new cycle.
2) TPMS Reset: Quickly look up the tire sensor IDs from the vehicle’s ECU, and perform TPMS replacement and sensor test.
3) EPB Reset: Maintain the electronic braking system safely and effectively by deactivating and activating the brake control system, setting brakes after disc or pad replacement, etc.
4) BMS Service: Re-match the control module and motoring sensor for battery detecting more accurately, clear original low battery information and prevent the related control module from detecting false information.
5) IMMO Keys: Disable the lost vehicle keys and program a new replacement key fob.
6) ABS Bleeding: Bleed the air of a brake system to restore ABS brake sensitivity.
7) SAS Calibration Reset: Calibrate the steering angle after replacing the steering angle position sensor and the mechanical parts of the steering system, etc. Stores the current steering wheel position as the straight-ahead position in the steering angle sensor and clear fault memory.
8) DPF Regeneration: Perform the regeneration procedure as know as the DPF cleaning operation to clear particulate matter from the DPF filter through continuous combustion oxidation mode to stabilize the filter performance.
9) Injector Coding: Code the injector after replacing or adjusting to correct the fuel injection volume of each cylinder more accurately.
10) Suspension: Adjust the vehicle height sensor for level calibration when replacing the vehicle height sensor or control module in the air suspension system.
And Throttle, WIN DR ROOF, Seats, Odometer, Lang Change, Headlamp, CHG Tire Size, TEC Learn, Trans Adaption, etc.
3. Advanced Functions
1) Personalization: Reflash the hidden features according to your likes. Compatible with Volkswagen, Audi, BMW, Toyota, Chrysler, Jeep, Fiat, Nissan, Subaru, etc.
2) Online Calibration: Connect the server online to perform a special adjusting function. Compatible with Volkswagen, Audi, Skoda, Seat, etc.
3) Online ECU Coding: Obtain the online data from the server, fast code your car, and no need for manual inputting code. Compatible with Volkswagen, BMW, Audi, Seat, Porsche, etc.
4) ECU Module Replacement: Match, learn, or code the newly replaced ECU. Compatible with Volkswagen, Audi, Skoda, Seat, etc.
5) VAG Guided Function: Give on-screen OE-level operating instruction for some complicated functions to simplify the diagnostic process and shorten the diagnostic time. Compatible with Volkswagen, Audi, Skoda, Seat, etc. Note: Pay for use!
6) Component Matching: Match new ECU module with on-board systems and make the car running smoothly. Compatible with Volkswagen, Audi, Skoda, Seat, Ford, Opel, Mazda, Chrysler, Jeep, Honda, Nissan, Hyundai, Kia, Subaru, Mitsubishi, etc.
7) Online Account Login Service: Help you skip passwords and access the operating authority directly. Compatible with Volkswagen, Audi, Skoda, Seat, etc.
8) Power Balance: Check the stability of cylinders and the working of components to ensure the balance of cylinder power output. Only for diesel cars. Compatible with Chrysler, GM, Ford, etc.
9) Programmable Module Installation: Program data to a new module and introduce it to the car system. Compatible with Ford, Mazda, etc.
Operating System: Android 9.0
Storage Capacity: 32GB (UP TO 128GB)
Screen: 8 inch high-definition capacitive touch screen
With a resolution of 1280 x 800 pixels
Camera: Front-facing 2.0MP camera + Rear-facing 5.0MP camera
Wi-Fi: 802.11a/b/g/n/ac (2.4GHz / 5GHz)
Working temperature: 0℃ ~ 50℃
Storage temperature: -20℃ ~ 70℃
LAUNCH X431 PROS V4.0 Main Unit
14 Connectors & 12 Cables
Hot selling Autel & Xhorse & Launch, EU/UK Ship ＆ No Tax
Shipping and delivery;Attention:
DHL: For MOST non-free shipping goods, default shipping method is DHL. Need 3-7working days on the way after dispatch the goods.
YANWEN Express: 7-14 working days on the way, no need to pay tax for most european counties.
EMS: 6-10 working days on the way. To Russian only send by EMS. For some remote area, if you do not want to pay remote fee, we can send it to you by EMS too.
Aramex: 5-10 working day. To most middle east counries. If you do not like this shipping method, please leave message on your order.
Flat airmail: 7-18 working days on the way. For remote area or holiday, need more time.
If you needs YANWEN express shipping or other shipping method like UPS, TNT, FedEx and so on, or you have special needs for your order, such as declared name and so on, please leave message on the order to notify us. Otherwise we will send the order as our usual practice.
As different country has different import policy, sometimes we will change the shipping method based on the counties and goods.
When you get the parcel, before sign for acceptance, please check the package to make sure the product is correct and no damage.
For any question, please contact us at:
Launch X431 diagnostic tools are generally based on the Android operating system, and the tablet models and menu names of different devices may be inconsistent, but the functions are similar. In this article, there are 5 points of Launch X431 Frequently Asked Questions and Solutions, they are about software upgrade, factory resetting and reinstall app, clear app cache, application’s cache and data clearance, deleting software, Bluetooth connector’s firmware recovery.
- Software Upgrade Instructions:
Every time there is a new version of a software update, mostly it means new features or new vehicles available, or software functionality problems have been solved with modifications. So, in the daily use of software, it’s better to keep all software updated.
Due to lack of memory in some tablets, resulting in many customers only update the diagnose software, but not update other common software, such as “APP application program”, “DiagBaseService App”, “DPU Link Manager Services”, “Firmware upgrade program”, “ECU AID”, and “Autosearch”, which may generate unsynchronized conflict and lead to abnormal diagnosis problems.
Failure to synchronize software upgrades may result in the following problems:
Some models or systems cannot diagnose and enter.
The software will break down when testing the car.
Some new Chinese car model cannot do oil reset.
Fault codes appear code not defined.
No channel list display for VW and Audi.
No long code display for VW and Audi.
It may lead to the failure of special functions such as matching and resetting
The following pictures within APP, must be update to latest version, if there is a new version available, click “update” in “software update” module will automatically update them to the latest version, please don’t stop those software update process.
APP application program
DPU Link Manager Services
Firmware upgrade program
- Factory Resetting and Reinstall App
This procedure is applicable to X431 PRO series products, because the tablet is Android system, after a period will appear failure. The following failure phenomena can be fixed by factory resetting the tablet.
1) System is running too slow
2) Insufficient memory
3) Exit automatically when you open X431 App
4) X431 App break up when you open it.
Restore factory settings and reinstall system steps:
1). In the tablet desktop select settings (Note: you must remember the username and password of the X431 App, different tablet models may have different steps, but are generally the same):
2). Click on the reset options:
3) Click factory reset.
4)Select Erase SD card, make sure there is no useful data on the tablet and click below to restore the factory settings of the tablet, after completing the tablet reboot, first set the date and time to automatically obtain by internet, and then download APP to install.
5)Go back to your desktop and click on your browser.
6)Generally, LAUNCH official website will be defaulted, if not, enter www.x431.com website and select “User Account”>>”MyCar User” after entering.
7)fill your device's username and password to log in.
8) Select the APP application program, click the download button on the right, download and install it.
- Clear APP Cache Instructions
This procedure applies to X431 full series products, because the tablet is Android system, after a period there will be failures. The following failure phenomena can be done to clear the APP cache to try to solve the problem.
System is running too slow
Flashback when diagnosing
An error in diagnostic service when diagnosing
The diagnosis appears to stop running
Clear APP Cache Steps：
1)Enter the APP, Select “User Info”. (Note: you must remember the username and
password of your device; different tablet models may have different steps, but are generally the same):
3)Click “Clear Cache”:
4)Click OK to clear, the APP will restart after clearing, fill your account and password to log in again to test if the problem is solved, if the problem is not solved, you should factory resetting the tablet to have a try.
- Instruction for Application’s Cache And Data Clearance
These steps are suitable for the whole X431 series. As the operating system is Android, there might be some issues which cause the device unusable. If below issues appear, we could try to fix them through cache and data clearance:
1) App crash when opening the X431.
2) Message shows the diagnosis service has been stopped running.
3) App crash when proceeding the diagnosis service.
4) Popped out message shows the App has been stopped running.
Steps to clear the cache and data:
1)Click setting in the desktop to enter:
2)Choose “App & notifications” and enter:
3)Software service related to X431: “DPU Link Manager Service”, “DiagBaseService” and “X-431 PRO3” (These 3 names might be different from App to App), we will need to clear individually one by one.
4)Enter Storage first, then click to clear the storage(data) and the cache one by one. Once it’s done, close and reopen 431 App again to check if the issue has been fixed. If still not, we will need to proceed a factory reset to resolve.
- Instruction for Deleting Software
When we face the below issues, we could delete the software and update again to fix the issues.
RAM is full.
Diagnosis service stop running when diagnosing by car type.
App crash when diagnosing by car type.
Disaccording between the software serial No. and smartbox serial No., please download and upgrade again or contact local dealer.
Open 431 App and click into User Info:
In the left pull-down menu, choose diagnosis software clear:
Click to check the software that you wish to delete, then click the delete button to proceed. If there are several issues and needs to delete ECUAID, then just delete and update it again. If the issue still exists, please contact Launch service engineer for help:
- Instruction for Bluetooth Connector’s Firmware Recovery
When we face the below issues, we could proceed Bluetooth connector’s firmware recovery to fix the issue.
1)Could not search for Bluetooth.
2)Could not connect to Bluetooth.
3)Part of systems could not be read or enter when diagnosing.
4)Majority part of systems could not be read or enter when diagnosing.
Steps for firmware recovery:
Bluetooth connector Powered, X-431 tablet connected to network, then opens X431 App and enter “User Info”.
Click Firmware Fix on the left, and system will automatically connect to the server to download software update to upgrade. Exit when it shows upgrade successfully, please contact Launch service engineer for help if the issue still exists:
Explanation for Diagnosis Units:
When we meet British system units in reading diagnosis code, we could follow the below steps to set it to metric.
Example: temperature change between Celsius and Fahrenheit.
Open 431 App and click into “User Info”:
Choose “Settings” in the left menu:
Left click and switch to Metric system units, then restart the device:
For all reliable Launch X431 full-system diagnostic tools and tablets, please refer to: