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Discussion Starter · #1 ·
Ok it may be nothing, but on the paperwork I got from my dealer in advance with all options and total cost of the truck at MSRP, it alga’s the modem and a TT then 5 digit number next to it.

I hate not knowing what a code means. Is that a GMC standard? Model code? Reservation order (hope not in my case), etc?

Rectangle Font Parallel Number Screenshot
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