Audi A4 2020–2023 — technical service bulletin
Bulletin A9023372064789_4 · NHTSA communication 10241235 · issued Aug 24, 2023
Technical service bulletin
communication type
Exterior Lighting
component
2020–2023
model years
23
vehicle entries
Official summary
This bulletin provides information for when there are various malfunction LEDs lit sporadically without any DTCs stored.
Vehicles covered
- 2020 Audi A4
- 2021 Audi A4
- 2022 Audi A4
- 2023 Audi A4
- 2020 Audi A4 Allroad
- 2021 Audi A4 Allroad
- 2022 Audi A4 Allroad
- 2023 Audi A4 Allroad
- 2020 Audi A5
- 2021 Audi A5
- 2022 Audi A5
- 2023 Audi A5
- 2020 Audi A5 Cabriolet
- 2021 Audi A5 Cabriolet
- 2022 Audi A5 Cabriolet
- 2023 Audi A5 Cabriolet
- 2021 Audi RS 5
- 2022 Audi RS 5
- 2023 Audi RS 5
- 2020 Audi S4
- 2021 Audi S4
- 2022 Audi S4
- 2023 Audi S4
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.