Audi A3 2016–2026 — technical service bulletin
Bulletin TSB_2078728_1 · NHTSA communication 11021480 · issued Jul 22, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2016–2026
model years
60
vehicle entries
Official summary
This bulletin provides information when a customer reports that poor voice quality via bluetooth with iOS 18.0.x - 18.4.x.
Vehicles covered
- 2016 Audi A3
- 2017 Audi A3
- 2018 Audi A3
- 2019 Audi A3
- 2020 Audi A3
- 2022 Audi A3
- 2023 Audi A3
- 2024 Audi A3
- 2025 Audi A3
- 2026 Audi A3
- 2016 Audi A3 Cabriolet
- 2017 Audi A3 Cabriolet
- 2018 Audi A3 Cabriolet
- 2019 Audi A3 Cabriolet
- 2016 Audi A3 Sportback E-Tron
- 2017 Audi A3 Sportback E-Tron
- 2018 Audi A3 Sportback E-Tron
- 2016 Audi A4
- 2017 Audi A4
- 2018 Audi A4
- 2019 Audi A4
- 2020 Audi A4
- 2021 Audi A4
- 2022 Audi A4
- 2023 Audi A4
- 2024 Audi A4
- 2025 Audi A4
- 2017 Audi A4 Allroad
- 2018 Audi A4 Allroad
- 2019 Audi A4 Allroad
- 2020 Audi A4 Allroad
- 2021 Audi A4 Allroad
- 2022 Audi A4 Allroad
- 2023 Audi A4 Allroad
- 2024 Audi A4 Allroad
- 2025 Audi A4 Allroad
- 2016 Audi A5
- 2017 Audi A5
- 2018 Audi A5
- 2019 Audi A5
- 2020 Audi A5
- 2021 Audi A5
- 2022 Audi A5
- 2023 Audi A5
- 2024 Audi A5
- 2016 Audi A5 Cabriolet
- 2017 Audi A5 Cabriolet
- 2018 Audi A5 Cabriolet
- 2019 Audi A5 Cabriolet
- 2020 Audi A5 Cabriolet
- 2018 Audi A5 Sportback
- 2019 Audi A5 Sportback
- 2020 Audi A5 Sportback
- 2021 Audi A5 Sportback
- 2022 Audi A5 Sportback
- 2023 Audi A5 Sportback
- 2024 Audi A5 Sportback
- 2025 Audi A5 Sportback
- 2016 Audi A6
- 2017 Audi A6
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.