Audi A4 2012–2021 — technical service bulletin
Bulletin SM 15-2021 · NHTSA communication 10187573 · issued Feb 24, 2021
Technical service bulletin
communication type
Equipment
component
2012–2021
model years
60
vehicle entries
Official summary
This special notice is to inform dealers to return the part numbers listed (State of California only).
Vehicles covered
- 2016 Audi A4
- 2017 Audi A4
- 2018 Audi A4
- 2019 Audi A4
- 2020 Audi A4
- 2021 Audi A4
- 2017 Audi A5
- 2018 Audi A5
- 2019 Audi A5
- 2020 Audi A5
- 2021 Audi A5
- 2017 Audi A5 Cabriolet
- 2018 Audi A5 Cabriolet
- 2019 Audi A5 Cabriolet
- 2020 Audi A5 Cabriolet
- 2021 Audi A5 Cabriolet
- 2019 Audi A6
- 2020 Audi A6
- 2021 Audi A6
- 2019 Audi A7
- 2020 Audi A7
- 2021 Audi A7
- 2019 Audi Q3
- 2020 Audi Q3
- 2021 Audi Q3
- 2018 Audi Q5
- 2019 Audi Q5
- 2020 Audi Q5
- 2021 Audi Q5
- 2016 Audi Q7
- 2017 Audi Q7
- 2018 Audi Q7
- 2019 Audi Q7
- 2020 Audi Q7
- 2021 Audi Q7
- 2019 Audi Q8
- 2020 Audi Q8
- 2021 Audi Q8
- 2016 Audi S4
- 2017 Audi S4
- 2018 Audi S4
- 2019 Audi S4
- 2020 Audi S4
- 2021 Audi S4
- 2017 Audi S5
- 2018 Audi S5
- 2019 Audi S5
- 2020 Audi S5
- 2021 Audi S5
- 2017 Audi S5 Cabriolet
- 2018 Audi S5 Cabriolet
- 2019 Audi S5 Cabriolet
- 2020 Audi S5 Cabriolet
- 2021 Audi S5 Cabriolet
- 2019 Audi S6
- 2020 Audi S6
- 2021 Audi S6
- 2019 Audi S8
- 2020 Audi S8
- 2021 Audi S8
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.