Audi A4 2017–2026 — technical service bulletin
Bulletin A9024962071281_2 · NHTSA communication 11002258 · issued May 31, 2024
Technical service bulletin
communication type
Electrical System
component
2017–2026
model years
60
vehicle entries
Official summary
This bulletin provides information when there is an instrument cluster warning "Fault: Limited warning messges", DTC B174404.
Vehicles covered
- 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
- 2018 Audi A5
- 2019 Audi A5
- 2020 Audi A5
- 2021 Audi A5
- 2022 Audi A5
- 2023 Audi A5
- 2024 Audi A5
- 2025 Audi A5
- 2018 Audi A5 Cabriolet
- 2019 Audi A5 Cabriolet
- 2020 Audi A5 Cabriolet
- 2021 Audi A5 Cabriolet
- 2022 Audi A5 Cabriolet
- 2023 Audi A5 Cabriolet
- 2024 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
- 2019 Audi A6
- 2020 Audi A6
- 2021 Audi A6
- 2022 Audi A6
- 2023 Audi A6
- 2024 Audi A6
- 2025 Audi A6
- 2020 Audi A6 Allroad
- 2021 Audi A6 Allroad
- 2022 Audi A6 Allroad
- 2023 Audi A6 Allroad
- 2024 Audi A6 Allroad
- 2025 Audi A6 Allroad
- 2019 Audi A7
- 2020 Audi A7
- 2021 Audi A7
- 2022 Audi A7
- 2023 Audi A7
- 2024 Audi A7
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.