what year??? anymore replacing the module is one thing, reprogramming the unit is another... depending on year/make/model they want the engine ID/info, transmission info, mileage, and prolly the VIN# too what year??? anymore replacing the module is one thing, reprogramming the unit is another... depending on year/make/model they want the engine ID/info, transmission info, mileage, and prolly the VIN# tooYes, the VIN and/or options are required for getting new units, because getting one for the right options and engine specs is a good thing.
Do those computers have EEPROMS in them? If so, that makes it even more interesting (thinking EEPROM flashers).