Audi A6 2022–2025 — technical service bulletin
Bulletin Bulletin 53ZC 20251218 · NHTSA communication 11027386 · issued Dec 18, 2025
Technical service bulletin
communication type
Unknown / Other
component
2022–2025
model years
40
vehicle entries
Official summary
Engine Control Module Software Update (WARR EXT – U82). Problem description updated.
Vehicles covered
- 2022 Audi A6
- 2023 Audi A6
- 2024 Audi A6
- 2025 Audi A6
- 2022 Audi A6 Allroad
- 2023 Audi A6 Allroad
- 2024 Audi A6 Allroad
- 2025 Audi A6 Allroad
- 2022 Audi A7
- 2023 Audi A7
- 2024 Audi A7
- 2025 Audi A7
- 2022 Audi A8
- 2022 Audi Q7
- 2023 Audi Q7
- 2024 Audi Q7
- 2025 Audi Q7
- 2022 Audi Q8
- 2023 Audi Q8
- 2022 Audi S4
- 2023 Audi S4
- 2024 Audi S4
- 2022 Audi S5
- 2023 Audi S5
- 2024 Audi S5
- 2022 Audi S5 Cabriolet
- 2023 Audi S5 Cabriolet
- 2024 Audi S5 Cabriolet
- 2022 Audi S5 Sportback
- 2023 Audi S5 Sportback
- 2024 Audi S5 Sportback
- 2025 Audi S5 Sportback
- 2022 Audi SQ5
- 2023 Audi SQ5
- 2024 Audi SQ5
- 2025 Audi SQ5
- 2022 Audi SQ5 Sportback
- 2023 Audi SQ5 Sportback
- 2024 Audi SQ5 Sportback
- 2025 Audi SQ5 Sportback
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.