You must use 2 master keys. Master keys will have seperate rfid's programmed into them.
Copied or cloned keys will have the same rfid as the key it was copied from which will not work for programming.
When programming the bypass using copied or cloned keys, you are showing the vehicle the same rfid twice, which will not allow the truck to enter key programming.
When programming using 2 master keys, you are showing the vehicle 2 seperate rfid's which will allow the vehicle to enter key programming.