im wanting to remove the speed/limiter is their any way you know of or do i need a new ecu thats flashed towhat i want?

u7146
2002 ford crown victoria 4.6L v8


i got the tuner listed bove it says for 98-04 ford but when i plug it to my car it says "contact dealer for free updates cal_id rgaf2bs" whats the deal. the only tuner for my car model is a u7147 but thats the wrong year tuner what do i do to get the tuner i ...