Hey, thank you very much for the quick response.

I assume he can just create a new user name and register this device under his name now?

How do you unregister a P2 tuner?

I returned my truck to stock before I traded it in and want to give the tuner to a friend but I see my old truck VIN # is still shown on the software when I log in thru my computer.

How do you return it so it can be registered with someone else and used on a ...

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Sorry if this is a stupid question but I have fairly new P2 for my 2016 Silverado 5.3L gas and we’re about to trade it in on a 2015 Silverado HD diesel and I want to know if it’s possible to convert the tuner to work on a diesel?
Even it has to be shipped back to the factory and cost money, is it ...