Launch X431 GIII X-Prog Clone Audi A5 TCU after Replacing Transmission

Using Launch X431 X-Prog  ( GIII )to clone TCU for Audi A5 after replacing the used transmission will help to skip all security programming and coding steps. That will improve the efficiency to save much time.

X431 GIII X-Prog3  is an advanced immobilizer & key programmer which also supports VW, Audi, Skoda, Seat, BMW, Mercedes Benz, Toyota… Compatible with X-431 Pro GT, X-431 Pro V4.0, X-431 Pro 3 V4.0, X-431 Pro 5, X-431 PAD III V2.0, X-431 PAD V, X-431 PAD VII.


For normal procedure:

  1. Get security code
  2. Get used to transmission security code
  3. Make replacement step
  4. TCM programming
  5. Coding, basic setting…

Why use X431 X-Prog to clone TCU?

Skip all security & programming & coding steps.

It also supports BMW CAS module clone, BMW 8HP clear ISN, MED17 ECU clone and more…


How to use X431 GIII to clone TCU?

Enter X431 X-Prog software,

Service function >> immo program >> OK >> OK >> Yes >> OK

The anti-theft key matching adaptor firmware is successfully updated.


Gearbox >> OK >> OK >> DL501 Gen1 >> View wiring diagram





Please connect the engine to the diagnostic connector according to the pic and power the device on.



Connect >> Start the clone process, OK >> Backup EEPROM data >> Input file name to save >> OK >> OK

Backup FLASH data >> input file name >> OK >> OK

Data backup succeeded.




Press “Disconnect”.

Connecting the pin to the transmission need to be replaced.



Connect >> OK >> restore EEPROM data >> Select the backup EEPROM file

Data successfully restored!


Restore FLASH data >> Select the backup FLASH file

Data successfully restored!




Press “Disconnect”.

The clone has been done!

Remember to make a basic setting, the car is ready to drive.


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