Dealer called back and is refunding me some of the money I spent. They are refunding the entire first visit ($43). So that helps. I did expect to pay up to $180 (activation code and flash time) so I am not as far from that now.
2016 Colorado LT Diesel
Red Rock, Sports bar, Black 5" assist steps, EGT and Boost Gauge with custom bezel mount
AFE Magnum Intake and Bladerunner Hot/Cold side Kit
Duramaxtune DSP-4 Tuning
AFE Rebel side exit turbo back w/ Black tips