Audi A4 2020–2024 — technical service bulletin
Bulletin TSB_2079133_3 · NHTSA communication 11027376 · issued Dec 16, 2025
Technical service bulletin
communication type
Electrical System
component
2020–2024
model years
60
vehicle entries
Official summary
This bulletin provides a osftware update for vehicles with MIB3, NAR Version ST37+LSR).
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
- 2020 Audi A5 Sportback
- 2021 Audi A5 Sportback
- 2022 Audi A5 Sportback
- 2023 Audi A5 Sportback
- 2021 Audi A6
- 2022 Audi A6
- 2023 Audi A6
- 2021 Audi A6 Allroad
- 2022 Audi A6 Allroad
- 2023 Audi A6 Allroad
- 2021 Audi A7
- 2022 Audi A7
- 2023 Audi A7
- 2021 Audi A7 E
- 2022 Audi A7 E
- 2021 Audi A8
- 2022 Audi A8
- 2023 Audi A8
- 2021 Audi A8 L E
- 2021 Audi E-Tron
- 2022 Audi E-Tron
- 2023 Audi E-Tron
- 2021 Audi E-Tron Sportback
- 2022 Audi E-Tron Sportback
- 2023 Audi E-Tron Sportback
- 2022 Audi Q3
- 2023 Audi Q3
- 2024 Audi Q3
- 2021 Audi Q5
- 2022 Audi Q5
- 2023 Audi Q5
- 2021 Audi Q5 E
- 2022 Audi Q5 E
- 2023 Audi Q5 E
- 2021 Audi Q5 Sportback
- 2022 Audi Q5 Sportback
- 2023 Audi Q5 Sportback
- 2021 Audi Q7
- 2022 Audi Q7
- 2023 Audi Q7
- 2021 Audi Q8
- 2022 Audi Q8
- 2023 Audi Q8
- 2024 Audi Q8 E-Tron
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.