With the introduction of Global A and Global B Platforms, used GM modules can't no longer be re-used, at least not using GM Dealer tools. Read on......
Data transfer of GM modules, including Global A platform. Many of these modules cannot be used in different vehicle unless cloned or edited.
Programming of new units, Cloning of your original/damaged into a used module.
Changed the radio and now displays Theftlock and won't work? Give us a shout, might be able to help.