Launch X431 ECU/TCU cloning software V10.40 adds Benz generation 4 7-speed VGS4 gearbox clean/erase function.
Support Products: Launch X-431 ECU TCU programmer, X-prog3 and PC adapter, Launch X431 scanner with X-prog3
How to clean/reset Benz VGS4 Gearbox with Launch X-prog3?
After erase VGS4, you can program and adapt to vehicle for replacement.
Function Description: reset/virgin Fourth generation 7-speed Mercedes Benz gearbox
Operating instructions:
The original car computer can still read data normally. Replace the second-hand gearbox computer for wiping and authorization.
1. First, enter the ECU model to enter

2. Check wiring diagram

3. Follow the prompts and click OK

4. There are two wiring methods for the wiring diagram: BENCH/BOOT. The BENCH mode is used to read data from the original car's gearbox computer. When performing wiping and personalized functions on an external second-hand gearbox computer, both BENCH and BOOT modes need to be connected together.


5. After connecting the wires, click to read TCU information

6. After successful information reading, click to read EEPROM data (BENCH)

Click to read EEPROM data (BENCH), if BENCH mode cannot read, select (BOOT) mode
7. After the original vehicle ECU computer data is read, connect the external ECU computer (both BENCH mode and BOOT mode need to be connected at the same time), and then click on erase



8. Click on Personalization and select Original Car EEPROM Data Write

9. Click OK after successful personalization

10. After personalization, click to read the TCU information to see if the ECU has been successfully erased, and then install the vehicle for programming and coding
