I'm trying to wrap my head around how the upgrade system works. I've got a standard interface a with 18 gm credits spent. I want to eventually unlock all of gen 3, and the guy I bought it from said it was close for 2004 Tahoe ecms. There used to be a chart that I can no longer find that said 2/3rds if each credit spent can be used to upgrade, does that mean if I spend 45 credits on gen 3 ecms it'll unlock all gen3? Just p59 or p01?
This might be the list your looking for. https://www.hptuners.com/vehicles/
It doesn't have to be perfect, it just needs to be done in two weeks...
A wise man once said "google it"
Thanks Bill! I haven't been able to find that page since the new site went live. Much appreciated
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