Audi A4 2016–2021 — technical service bulletin
Bulletin SM 39-2021 · NHTSA communication 10193614 · issued May 10, 2021
Technical service bulletin
communication type
Equipment
component
2016–2021
model years
40
vehicle entries
Official summary
This special notice is to inform dealers to return the parts listed and only order the successor parts going forward
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
- 2019 Audi A6
- 2020 Audi A6
- 2021 Audi A6
- 2016 Audi A7
- 2017 Audi A7
- 2018 Audi A7
- 2019 Audi A7
- 2020 Audi A7
- 2021 Audi A7
- 2019 Audi A8
- 2020 Audi A8
- 2021 Audi A8
- 2019 Audi E-Tron
- 2020 Audi E-Tron
- 2021 Audi E-Tron
- 2017 Audi Q5
- 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
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.