Audi A6 2019–2023 — technical service bulletin
Bulletin TSB_2073284_4 · NHTSA communication 11016528 · issued Mar 6, 2025
Technical service bulletin
communication type
Electrical System
component
2019–2023
model years
60
vehicle entries
Official summary
This bulletin provides information when there is an MHEV Electrical System Fault with DTC U046900 / 34763; U002900/U002800.
Vehicles covered
- 2019 Audi A6
- 2020 Audi A6
- 2021 Audi A6
- 2022 Audi A6
- 2023 Audi A6
- 2020 Audi A6 Allroad
- 2021 Audi A6 Allroad
- 2022 Audi A6 Allroad
- 2023 Audi A6 Allroad
- 2019 Audi A7
- 2020 Audi A7
- 2021 Audi A7
- 2022 Audi A7
- 2023 Audi A7
- 2021 Audi A7 E
- 2022 Audi A7 E
- 2019 Audi A8
- 2020 Audi A8
- 2021 Audi A8
- 2022 Audi A8
- 2023 Audi A8
- 2020 Audi A8 L E
- 2021 Audi A8 L E
- 2019 Audi Q7
- 2020 Audi Q7
- 2021 Audi Q7
- 2022 Audi Q7
- 2023 Audi Q7
- 2019 Audi Q8
- 2020 Audi Q8
- 2021 Audi Q8
- 2022 Audi Q8
- 2023 Audi Q8
- 2021 Audi RS 6 Avant
- 2022 Audi RS 6 Avant
- 2023 Audi RS 6 Avant
- 2021 Audi RS 7
- 2022 Audi RS 7
- 2023 Audi RS 7
- 2020 Audi RS Q8
- 2021 Audi RS Q8
- 2022 Audi RS Q8
- 2023 Audi RS Q8
- 2020 Audi S6
- 2021 Audi S6
- 2022 Audi S6
- 2023 Audi S6
- 2020 Audi S7
- 2021 Audi S7
- 2022 Audi S7
- 2023 Audi S7
- 2020 Audi S8
- 2021 Audi S8
- 2022 Audi S8
- 2023 Audi S8
- 2020 Audi SQ7
- 2021 Audi SQ7
- 2022 Audi SQ7
- 2023 Audi SQ7
- 2020 Audi SQ8
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.