Either the ECU that hooks up to the pedal is physically broken in some way (its installed correctly according to the youtube videos floating around) or the Tech2 scanner needs to be authenticated ...

General Motors has integrated new payment calculation technology from Market Scan Information Systems into its Shop. Click. Drive. online car shopping tool.

GM has begun a blue light - 3D scanning program to record all the details of its Motorama cars, other concepts, and one-offs from its Heritage Center.