Audi A3 2017–2025 — technical service bulletin
Bulletin TSB_2077475_1 · NHTSA communication 11017610 · issued Apr 2, 2025
Technical service bulletin
communication type
Power Train
component
2017–2025
model years
32
vehicle entries
Official summary
This TSB provides information when the earbox warning light is on; event memory entry P0174A00/P174E00.
Vehicles covered
- 2017 Audi A3
- 2018 Audi A3
- 2019 Audi A3
- 2020 Audi A3
- 2022 Audi A3
- 2023 Audi A3
- 2024 Audi A3
- 2025 Audi A3
- 2018 Audi A3 Cabriolet
- 2019 Audi A3 Cabriolet
- 2018 Audi S3
- 2019 Audi S3
- 2020 Audi S3
- 2022 Audi S3
- 2023 Audi S3
- 2024 Audi S3
- 2025 Audi S3
- 2019 Audi TT
- 2020 Audi TT
- 2021 Audi TT
- 2022 Audi TT
- 2023 Audi TT
- 2019 Audi TT Roadster
- 2020 Audi TT Roadster
- 2021 Audi TT Roadster
- 2022 Audi TT Roadster
- 2023 Audi TT Roadster
- 2019 Audi TTS
- 2020 Audi TTS
- 2021 Audi TTS
- 2022 Audi TTS
- 2023 Audi TTS
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.