tundra 2006 immobiliser bypass

Question

Hi, I have A 2006 toyota tundra cnd spec with factory immobiliser, on the website, it only give int-sl+ which only  do the door lock, tried a used keyoverrideall like the diagram for the 2006 toyota sequoia (which is almost the same truck) but it doesnt work, it wont program,  is there another option or do i need a spare key to make it work?

thank you