my car had diagnostic code 750 relating to the transmission

fron RESO: I went to the dealer and i was told i need to get the transmissiom reprogramed.They said when ever the conductor plate is replaced the vin number has to be reprogramed back in the trans computer.i order the car soft 7.4 multiplexer to do the reprogramming my self but i have,nt recieved it yet. the dealer charges $150.00per hour they say it takes 2 hours thats about $300.00 the carsoft 7.4 scanner cost only $120.00.so i am going the least expensive way.