It has been tested and verified that Buick 6T50 can be cloned using Launch X431 ECU & TCU Programmer successfully. No need any X431 tablet.
Procedure:
Connect X431 ECU Programmer to a PC
Run X-431 ECU & TCU Programmer software
Input 6t50 to find Buick Regal 6T50 model
Select “Bench” connection type
Check the direct connection diagram to connect X-431 ECU programmer and 6T50 ECU correctly
Read the ECU info and Flash data of the original ECU OK
Read the ECU info and Flash data of the new ECU OK
Load the original ECU info to write into the new ECU OK
Launch X431 X-Prog3 with PC Adapter can clone Buick 6T50 on bench without any issue as well.