Thanks for clarification on adding key vs key fob.
I thought something was up with that YouTube clip where the guy stated he’s adding a key fob to his (mystery year) Tahoe and stated if applies to “years he needs to research”.
So, it is the key fob restriction on 11-14 full size SUV. As Wes correctly stated:
* Locksmith or …
* 1-3 time pairing module from internet
* Unlimited, lifetime pairing with BTdieselworks Autosync.
for security they made changes in 2010, then they made changes in 2015 and again in 2018 and 2021 is something even different
my 18 requires 2 working keys to add more and gds2 for fobs (or a locksmith/tool)
and I believe unless I am mistaken that you could have up to 8 keys for the gmt900's and then with the k2's they limited it to 4
gm just does wtf they want lol
the guy in the video I thought he said his was a 2007 but for what he was doing he was unsure of what years it would work on and would have to research it.
if you want other options then go aftermarket with a directed system, smartstart, gps, etc or a idatalink system, or others