Audi A4 2019–2021 — technical service bulletin
Bulletin Closures 20250905 · NHTSA communication 11023732 · issued Sep 5, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2019–2021
model years
27
vehicle entries
Official summary
September campaign closures
Vehicles covered
- 2020 Audi A4
- 2020 Audi A4 Allroad
- 2020 Audi A5
- 2020 Audi A5 Cabriolet
- 2020 Audi A5 Sportback
- 2019 Audi A6
- 2020 Audi A6
- 2020 Audi A6 Allroad
- 2019 Audi A7
- 2020 Audi A7
- 2019 Audi E-Tron
- 2021 Audi E-Tron
- 2020 Audi E-Tron Sportback
- 2021 Audi E-Tron Sportback
- 2020 Audi Q5
- 2020 Audi Q7
- 2019 Audi Q8
- 2020 Audi Q8
- 2020 Audi RS Q8
- 2019 Audi S4
- 2020 Audi S4
- 2019 Audi S5
- 2020 Audi S5
- 2019 Audi S5 Cabriolet
- 2020 Audi S5 Cabriolet
- 2019 Audi S5 Sportback
- 2020 Audi S5 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.