Gm Global Epc -electronic Parts Catalogue- 2011 Page

In 2011, GM was in the middle of a massive consolidation. They rolled out (and continued refining) the . While the "Global" branding started earlier, the 2011 version is widely considered the "coming of age" release for the platform.

By 2011, the system had matured to handle the 17-character VIN flawlessly. You could punch in a VIN, and the EPC would auto-populate the vehicle’s RPO codes (Regular Production Options). This was a lifesaver for distinguishing between a 6-speed auto vs. a 4-speed auto, or a Z71 suspension vs. a standard one. GM Global EPC -Electronic Parts Catalogue- 2011

For the professional? It was the Bible. You cursed at it every day, but you couldn't turn a single bolt on a Saturday morning without it. In 2011, GM was in the middle of a massive consolidation