Launch X431 ECU TCU Programmer Standalone PC Version Supports Checksum

LAUNCH X-431 ECU & TCU Programmer is an ECU and TCU programmer and cloning tool that supports reading and writing functions for various types of engines and gearboxes. Used for ECU replacement, data processing, file verification and more.

• LAUNCH X-431 ECU & TCU Programmer needs to be connected to a PC via USB, and using LAUNCH's professional software, ECU data reading and writing speed is faster and more stable (3x times faster).
• LAUNCH X-431 ECU & TCU Programmer supports read the chip ID, back up the EEPROM data, back up the FLASH data, restore EEPROM/FLASH data, IMMO off function for MEDC17 ECUs, VAG MEDC17 ECU clone, checksum correction and more.
• Checksum Correction - Ensure the validity of ECU data. When you write data to a new ECU, it will automatically check the data for you to ensure that the ECU can function properly.
• Software language: English, German, Spanish, Portuguese, French, Italian, Simplified Chinese, Traditional Chinese, Russian, Arabic, Japanese and Korean. 1 Year free update.

ECU Programmer Standalone vs. X-prog3 + X431 Tablet
1. VW Audi Porsche clone function is in data processing section
2. The connection is more convenient
3. Data reading and writing speed is faster and more stable (3x times faster)
4. Data processing and transfer on PC are more convenient
5. Adds immo off function
6. Standalone version cannot do key programming. 

X431 ECU & TCU Programmer + PC VS X-PROG3 +X431 PADVII

X431 TCU Programmer Recent Update:
Adds Engine data validation function (Oct. 30th, 2023)

LAUNCH X431 Clone Tool Functions Display:

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.
· Adds immo off function for MEDC17 ECUs

· Supports checksum correction

· Supports VAG MEDC17 ECU Clone
Porsche Simos 8.5 clone,
VAG Simos 8.5-8.6 Clone,
Porsche SDI-6-7-8 Clone.

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

3. Current adapter accessories as below: 

· X-PROG3 Adapter Cable 1 (DQ200XX)
· X-PROG3 Adapter Cable 2 (VL381)
· X-PROG3 Adapter Cable 3 (DQ380)
· X-PROG3 Adapter Cable 4 (DQ250)
· X-PROG3 Adapter Cable 5 (DL501)
· X-PROG3 Adapter Cable 6 (DL382)
· X-PROG3 Adapter Cable 7 (VGS-NAG3)
· X-PROG3 Adapter Cable 8 (VGS2-FDCT/VGS-FDCT)
· X-PROG3 Adapter Cable 9 (VGS3-NAG2)
· X-PROG3 Adapter Cable 10 (8HP_V1(BMW/LR)/8HP_V2/8HP_V3)
· X-PROG3 Adapter Cable 11 (MPS6)
· X-PROG3 Adapter Cable 12 (DPS6)
· X-PROG3 Adapter Cable Main Line (ML)

Download and Install Launch X-prog3 PC Software

Download Link: https://en.cnlaunch.com/products-detail/i-243.html

Drop down and click “Download”

Software language: English, German, Japanese, Russian, French, Portuguese, Korean, Italian, Arabic, Traditional Chinese

Select the corresponding language setup

How to Install Launch X-prog3 PC Software Driver?
Take Windows 7 O/S as an example.
1. Connect Launch Programmer or X-prog3 with PC Adapter with laptop via USB, give power supply to the programmer
open Device Manager, you can see CH554-CDC device driver cannot be identified.
2. Right click CH554-CDC driver, selct Properties and Update Driver
3. Select “Browse my computer to find driver software”
4. Select “Let me pick from a list of device drivers on my computer”, press Next
5. Select “Port (COM & LPT)”, press Next
6. Select manufacturer as STMicroelectronics, select the latest version of driver, press Next
7. Open Device Manager again, if you see the STMicroelectronics Virtual COM port driver it means the Launch x431 pc software driver is successfully installed.

Latest Support list(Continuously updating):

Tap Comfirm to update the software

Input activation code and tap to activate the device.

Package Includes:

1pc x LAUCH X431 ECU Programmer 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