Corvette Forum : Corvette Forums - View Single Post - Tech2 problem - change Region code and Onstar ?
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Old 09-03-2018, 08:22 PM   #4
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Originally Posted by Pac J View Post
Do you think it's not possible to do it itself with a Tech2 ?
That's what the dealers use too or not ?

You need full access to the Main GM Technician online software.
I remember doing it.
Been out of the GM Dealerships since 2007.
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