Audi A4 2019–2020 — technical service bulletin
Bulletin A9123702062973_4 · NHTSA communication 10231579 · issued Feb 7, 2023
Technical service bulletin
communication type
Electrical System
component
2019–2020
model years
26
vehicle entries
Official summary
This bulletin provides information for when an SOS malfunction is displayed in the instrument cluster; DTCs U142100, U164200, and/or U122C00.
Vehicles covered
- 2019 Audi A4
- 2019 Audi A5
- 2019 Audi A5 Cabriolet
- 2019 Audi A6
- 2020 Audi A6
- 2020 Audi A6 Allroad
- 2019 Audi A7
- 2020 Audi A7
- 2019 Audi A8
- 2020 Audi A8
- 2020 Audi A8 L E
- 2019 Audi E-Tron
- 2019 Audi Q7
- 2020 Audi Q7
- 2019 Audi Q8
- 2020 Audi Q8
- 2019 Audi RS 5
- 2020 Audi RS Q8
- 2019 Audi S4
- 2019 Audi S5
- 2019 Audi S5 Cabriolet
- 2020 Audi S6
- 2020 Audi S7
- 2020 Audi S8
- 2020 Audi SQ7
- 2020 Audi SQ8
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.