AUDI A6: control modules scans

4F2, 4G2

Audi A6 is a model in the Audi lineup with distinct market positioning and multiple development stages across years. For A6, accurate service work depends on matching procedures to the exact year and market version, because module compatibility, coding options, and diagnostic behavior can vary significantly. For A6, robust diagnostics require matching software, coding paths, and module compatibility to the exact year and market specification.