Ship from EU 2025 Launch X-431 ECU & TCU Programmer Standalone Cloning Device 2D Menu for ECU Data Reading/Writing Support VGS4-0-NAG2 and VAG4-500-NAG2

Brand: Launch-X431 Item No. SE175 In Stock.

Buy Now: $659
3 Launch X431 ECU & TCU Programmer: ECU & TCU Programmer 2025 Launch X-431 ECU & TCU Programmer Standalone Cloning Device 2D Menu for ECU Data Reading/Writing Support VGS4-0-NAG2 and VAG4-500-NAG2
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Weight:
2.9KG ( 6.39LB )
Package:
40.7cm*12.3cm*32.7cm ( Inch: 16.02*4.84*12.87 )
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Product Description

  1. The LAUNCH X-431 ECU & TCU Programmer supports ECUs data reading & writing quickly, including reading the chip ID and backing up the EEPROM data, backing up the FLASH data, and restoring EEPROM/FLASH data.
  2. Newest Update: Support VGS4-0-NAG2 and VAG4-500-NAG2
Launch X-431 ECU & TCU Programmer Standalone Cloning Device 2D Menu for ECU Data Reading/Writing

Launch X-431 ECU & TCU Programmer supports ECUs data reading & writing quickly, including reading the chip ID and backing up the EEPROM data, backing up the FLASH data and restoring EEPROM/FLASH data. There are two methods to read various vehicle brand ECUs info. The X-431 ECU & TCU Programmer also supports Data Processing, anti-theft shutdown and file verification.

Launch X-431 ECU & TCU Programmer

Product Features:
 
1. 2D menu, clear and easy to choose
2. Powerful search function
3. Convenient modification of ECU data
4. USB communication, with a speed more than three times that of Android devices, making it more stable
5. Easy to copy data
6. Support engine data validation function
7. One year free update,after one year, please pay One Year Online Update Service for Launch X-431 ECU & TCU Programmer 
8. X-431 ECU TCU Programmer Support Function List
Software download link: https://en.cnlaunch.com/download 


Launch X-431 ECU & TCU Programmer

Launch X431 ECU Progarmmer Functions:

1. ECUs Data Reading & Writing quickly.
· Support two methods to read various vehicle brand ECUs info.
· Support Read the chip ID and Back up the EEPROM data.
· Support Back up the FLASH data and Restore EEPROM/FLASH data

2. Support Data Processing, anti-theft shutdown and file verification.

ECU Support list June 2023:

 Launch X-431 ECU & TCU Programmer

Launch X431 ECU TCU Programmer and PC Software Use Guide:

Firstly, connect the X431 ECU &TCU Programmer to the computer with a cable. Then, click to enter the software. The serial number will be automatically recognized from the X-431 ECU &TCU Programmer, and the activation code needs to be obtained from the envelope bar of the X-431 ECU&TCU Programmer.

Click [Activate] to activate (only activate once, no need to activate again later), as shown in Figure 1. Without connection, you cannot access the software, as shown in Figure 2.


I. ECU Date Reading and Writing: 

1. Obtain the related ECU.

Method (1): Obtain the desired ECU type through brand > model > engine > ECU in turn, as shown in Figure 3.

Method (2): Query the desired ECU by entering a value in the search box. The search categories include Bosch number and Search, as shown in Figure 4. For example, search for the MED17.5.25 engine by Search, as shown in Figure 5.


2.Click [Direct Connection Diagram] to obtain the ECU connection diagram, as shown in Figure 6.

3. Connection:

Connect  the  ECU and PCBOX according  to the  information provided in the connection diagram.  The physical connection diagram of MED17 .5 .25 (using the BENCH mode line)is shown in Figure 7, and the physical connection diagram using the gearbox adapter is shown in Figure  8.


4. Read the chip ID, as shown in Figure 9.

 
5. Back up the EEPROM data and save it, as shown in Figure 10 (the figure shows the save page of the read date).


6. Back up the Flash date and save it, as shown in Figure 11 (the figure shows the process of reading FLASH date).


7. Restore EEPROM / FLASH date,  as shown in Figure 12 (the figure shows the file selection page).


II. Date Processing

1. Click the [Date Processing] button on the main page, as shown in Figure 13, and select [IMMO Off and File Verification] ([DTC Shield] is not currently supported), as shown in Figure 14.



2. File verification and IMMO OFF (process: select file>connect network to obtain>save file), as shown in Figure 15.



Package Includes:


1pc x the Host 
1pc x Jumper
1pc x MCU Cable
1pc x EU Adapter
1pc x US Adapter
1pc x Power Supply Cable
1pc x USB Cable

 
 
 
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Videos

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Tech Support

Launch X43 released a new ECU/TCU cloning software V10.40 on Jan.13, 2025.
It added Benz transmission TCU VGS4-0-NAG2, VGS4-500-NAG2read, write, personalization, and clearing function via Boot, etc.
Compatible devices: Launch X431 ECU & TCU Programmer, X431 X-prog3 and PC Adapter, Launch X431 scanner with X-prog3.
V10.40 Upgrade Info:
1.Added read and write, personalization, clearing function for BOOT mode Benz transmission TCU VGS4-0-NAG2, VGS4-500-NAG2.
2.Added BENCH mode Cadillac, Chevrolet transmission ECU T87A read and write function.
3.Added read and write function for BENCH mode Great Wall transmission ECU 7DCT450.
4.Added read and write function for BENCH mode Great Wall, Geely engine ECU MG1US008/MG1UA008.
5.Optimized BMW E83 data read issue.
6.Optimized the expired device usage status so that when the device is expired, the functions released before the expiration can still be used.
New updates are restricted to download when the free subscription has expired.
For example:
Launch X431 ECU Programmer erase Benz 4 generation 7-speed VGS4 gearbox
1.Connect X431 ECU Programmer to a PC
Run PC software and enter the appropriate ECU model in the system (i.e. vgs4)

2.Access the Direct Connection Wiring Diagram
3.Follow the on-screen instructions and click "OK" to proceed.

4.The wiring diagram offers two modes: BENCH and BOOT.
Use the BENCH mode to read data from the original car's gearbox computer.
For wiping and personalization of the external second-hand gearbox computer, both BENCH and BOOT modes need to be connected simultaneously.


5.After completing the connections, click “Read TCU information”
6.Click "Read EEPROM data (BENCH)"
If BENCH mode fails to read the data, switch to BOOT mode and retry.

7.After reading the original vehicle's ECU data, connect X431 ECU Programmer to the external ECU computer. Ensure both BENCH and BOOT modes are connected simultaneously.
Click "Erase" to clear the external ECU.



8.Click “Personalization” and select the original Car EEPROM Data to write
Click "OK" once personalization is successful.

9.After that, click "Read TCU Information" again to confirm if the ECU data has been successfully erased.

10.Finally, install the ECU back into the vehicle, and complete the programming and coding process.