Audi A6 2018–2026 — technical service bulletin
Bulletin TSB_2081342_1 · NHTSA communication 11031044 · issued Mar 13, 2026
Technical service bulletin
communication type
Engine
component
2018–2026
model years
60
vehicle entries
Official summary
This bulletin provides information when there is a Drive System Malfunction, DTCs related to Knock Sensor P0327, P0332, P0328, P0333 - V6 TFS.
Vehicles covered
- 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
- 2026 Audi A6 Allroad
- 2019 Audi A7
- 2020 Audi A7
- 2021 Audi A7
- 2022 Audi A7
- 2023 Audi A7
- 2024 Audi A7
- 2025 Audi A7
- 2019 Audi A8
- 2020 Audi A8
- 2021 Audi A8
- 2022 Audi A8
- 2023 Audi A8
- 2024 Audi A8
- 2025 Audi A8
- 2026 Audi A8
- 2020 Audi A8 L E
- 2021 Audi A8 L E
- 2020 Audi Q7
- 2021 Audi Q7
- 2022 Audi Q7
- 2023 Audi Q7
- 2024 Audi Q7
- 2025 Audi Q7
- 2026 Audi Q7
- 2019 Audi Q8
- 2020 Audi Q8
- 2021 Audi Q8
- 2022 Audi Q8
- 2023 Audi Q8
- 2024 Audi Q8
- 2025 Audi Q8
- 2026 Audi Q8
- 2018 Audi S4
- 2019 Audi S4
- 2020 Audi S4
- 2021 Audi S4
- 2022 Audi S4
- 2023 Audi S4
- 2024 Audi S4
- 2025 Audi S4
- 2018 Audi S5
- 2019 Audi S5
- 2020 Audi S5
- 2021 Audi S5
- 2022 Audi S5
- 2023 Audi S5
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.