I am trying to reprogram a vin on a 05 cts. hp tuners in there help said both computers has to be supported so I did that. I can read and write but i click on vin and says vehicle not license and no answer please someone help asap Need to get this car done. I had reman computer but needed to be vin flashed so I took the old 1 read took new one read and same thing. I hate not being able to call someone 2 emails I think time to sell and buy EFI LIVE