Predator is the best handheld programer i ever used on many cars with no issues
As Mike said they will sort it out for ya.
2012 ZL1 A6
Forged 376 CI, LSA HeartBeat, Mast Medium Bore Heads & JDP ZLR Cam, ARH LT , MagnaFlow Resonated X Pipe Muffler, SW Retro Chambered CatBack, JLT intake, NW 102mm TB, ID850, AGP Dual Fuel Pump,MSD Wire's,NGK TR8IX Plugs, Moroso CC.
Snow Performance Meth, RX SuperChiller, D3 Reservoir.
2015 Rear Fascia Conversion, Z/28 Spoiler & Diffuser , ACS Quarter Ports, ShowStopper's Side Marker's, LightWurkz Halo's.
Sosche With KenWood, SLP pod with PLX guage, DashLogic .