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New PCM
The dealer resently made a big mistake and fried my PCM. :bash:
Anyway, they put a new PCM in. I recently got around to hooking EFI Live up to my truck again. I down loaded the new stock tune and compaired it to my old stock tune. They are COMPLETELY different. The OS and all the other systems are coded completely different. I then took one of my old tunes and modified it to the new codes. I then tried to download(flash) that tune to the ECM. A box pops up and says that my truck is not licensed and asks me if I want to buy one.:help2:
As far as I am aware they only changed the PCM. Why will it no longer accept my truck???!!!!!! I hope I do not have to buy a new license for my truck. Can someone please help?:help2: :help2:
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yeah you'll have to buy another license for the truck unfortunately. If you still have another one (EFIlive gives you two) you can just use up your other one.
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Yep, VIN licenses are actually tied to individual controller SNs.
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Well that just plain SUCKS!
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I feel your pain there, but, if it were not done that way then there would probably be 1,000,000 tuned Duramax's with the same VIN :) and we would go bust!
Cheers,
Ross