Audi A6 2018–2024 — technical service bulletin
Bulletin A1923392070349_1 · NHTSA communication 10236572 · issued May 17, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018–2024
model years
60
vehicle entries
Official summary
This bulletin advises that a small amount of coolant loss is normal. Otherwise, clean and visually inspect the coolant system in the presence of a small leak to verify if a repair is needed, and then to repair a component if it is verified to have been leaking actively.
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
- 2018 Audi RS 5
- 2019 Audi RS 5
- 2021 Audi RS 5
- 2022 Audi RS 5
- 2023 Audi RS 5
- 2024 Audi RS 5
- 2018 Audi S4
- 2019 Audi S4
- 2020 Audi S4
- 2021 Audi S4
- 2022 Audi S4
- 2023 Audi S4
- 2024 Audi S4
- 2018 Audi S5
- 2019 Audi S5
- 2020 Audi S5
- 2021 Audi S5
- 2022 Audi S5
- 2023 Audi S5
- 2024 Audi S5
- 2018 Audi S5 Cabriolet
- 2019 Audi S5 Cabriolet
- 2020 Audi S5 Cabriolet
- 2021 Audi S5 Cabriolet
- 2022 Audi S5 Cabriolet
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.