Audi A6 2018–2021 — technical service bulletin
Bulletin A1523442053278_9 · NHTSA communication 10239680 · issued Jul 14, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018–2021
model years
37
vehicle entries
Official summary
This bulletin provides information for when there is an oil leak from the cylinder head.
Vehicles covered
- 2019 Audi A6
- 2020 Audi A6
- 2020 Audi A6 Allroad
- 2019 Audi A7
- 2020 Audi A7
- 2019 Audi A8
- 2020 Audi A8
- 2021 Audi A8
- 2020 Audi A8 L E
- 2021 Audi A8 L E
- 2020 Audi Q7
- 2021 Audi Q7
- 2019 Audi Q8
- 2020 Audi Q8
- 2021 Audi Q8
- 2018 Audi RS 5
- 2019 Audi RS 5
- 2021 Audi RS 5
- 2018 Audi S4
- 2019 Audi S4
- 2020 Audi S4
- 2021 Audi S4
- 2018 Audi S5
- 2019 Audi S5
- 2020 Audi S5
- 2021 Audi S5
- 2018 Audi S5 Cabriolet
- 2019 Audi S5 Cabriolet
- 2020 Audi S5 Cabriolet
- 2021 Audi S5 Cabriolet
- 2020 Audi S6
- 2021 Audi S6
- 2020 Audi S7
- 2021 Audi S7
- 2019 Audi SQ5
- 2020 Audi SQ5
- 2021 Audi SQ5
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.