Audi A6 2019–2024 — technical service bulletin
Bulletin A2723572058831_9 · NHTSA communication 10238212 · issued Jun 14, 2023
Technical service bulletin
communication type
Electrical System
component
2019–2024
model years
35
vehicle entries
Official summary
This bulletin provides information for when there is a 48V electrical system warning; DTC P0CA700, U046900 is stored in the starter/generator control module/ECM.
Vehicles covered
- 2019 Audi A6
- 2020 Audi A6
- 2021 Audi A6
- 2022 Audi A6
- 2023 Audi A6
- 2024 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
- 2024 Audi A7
- 2019 Audi A8
- 2020 Audi A8
- 2021 Audi A8
- 2022 Audi A8
- 2023 Audi A8
- 2024 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
- 2019 Audi Q8
- 2020 Audi Q8
- 2021 Audi Q8
- 2022 Audi Q8
- 2023 Audi Q8
- 2024 Audi Q8
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.