The "Gold Standard" for the 2012–2014 Focus (Mk3 pre-facelift) is the spreadsheet maintained by the community (originally hosted on the Focus Fanatics forum and Google Docs).
The 2012 Focus is a wonderful candidate for FORScan comfort mods , but a terrible candidate for “upgrading” features. Respect the car’s electronic age, and the spreadsheet will serve you well. 2012 ford focus forscan spreadsheet verified
Elias navigated to the BCM (Body Control Module) data. He cross-referenced the VIN with the spreadsheet's database of known faulty part numbers for the TCM housing. The "Gold Standard" for the 2012–2014 Focus (Mk3