Audi A7 E 2020–2025 — technical service bulletin
Bulletin TSB_2079117_1 · NHTSA communication 11022714 · issued Aug 29, 2025
Technical service bulletin
communication type
Engine
component
2020–2025
model years
10
vehicle entries
Official summary
This bulletin provides information when the Exhaust emissions warning lamp 9MIL) is active due to event memory entries in diagnostic address 00C5.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.