Audi A4 2017–2022 — technical service bulletin
Bulletin A3421532064848_1 · NHTSA communication 10202584 · issued Oct 18, 2021
Technical service bulletin
communication type
Power Train
component
2017–2022
model years
35
vehicle entries
Official summary
This bulletin addresses an issue where basic settings cannot be performed as DTC P17F900 is stored in the TCM.
Vehicles covered
- 2017 Audi A4
- 2018 Audi A4
- 2019 Audi A4
- 2020 Audi A4
- 2021 Audi A4
- 2022 Audi A4
- 2018 Audi A5
- 2019 Audi A5
- 2020 Audi A5
- 2021 Audi A5
- 2022 Audi A5
- 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
- 2022 Audi A6
- 2020 Audi A6 Allroad
- 2021 Audi A6 Allroad
- 2019 Audi A7
- 2020 Audi A7
- 2021 Audi A7
- 2022 Audi A7
- 2017 Audi Allroad
- 2018 Audi Allroad
- 2019 Audi Allroad
- 2020 Audi Allroad
- 2021 Audi Allroad
- 2022 Audi Allroad
- 2019 Audi Q5
- 2020 Audi Q5
- 2021 Audi Q5
- 2022 Audi Q5 Sportback
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.