Audi A4 2020–2024 — technical service bulletin
Bulletin A8723522063575_3 · NHTSA communication 10241434 · issued Aug 18, 2023
Technical service bulletin
communication type
Visibility
component
2020–2024
model years
45
vehicle entries
Official summary
This bulletin provides information for when the Air conditioning does not cool, DTC B10AE21.
Vehicles covered
- 2022 Audi A4
- 2023 Audi A4
- 2024 Audi A4
- 2022 Audi A4 Allroad
- 2023 Audi A4 Allroad
- 2024 Audi A4 Allroad
- 2022 Audi A5
- 2023 Audi A5
- 2024 Audi A5
- 2022 Audi A5 Cabriolet
- 2023 Audi A5 Cabriolet
- 2024 Audi A5 Cabriolet
- 2020 Audi Q5
- 2021 Audi Q5
- 2022 Audi Q5
- 2023 Audi Q5
- 2024 Audi Q5
- 2024 Audi Q5 E
- 2020 Audi Q5 PHEV
- 2021 Audi Q5 PHEV
- 2022 Audi Q5 PHEV
- 2023 Audi Q5 PHEV
- 2022 Audi Q7
- 2023 Audi Q7
- 2024 Audi Q7
- 2022 Audi RS 5
- 2023 Audi RS 5
- 2024 Audi RS 5
- 2022 Audi S4
- 2023 Audi S4
- 2024 Audi S4
- 2022 Audi S5
- 2023 Audi S5
- 2024 Audi S5
- 2022 Audi S5 Cabriolet
- 2023 Audi S5 Cabriolet
- 2024 Audi S5 Cabriolet
- 2020 Audi SQ5
- 2021 Audi SQ5
- 2022 Audi SQ5
- 2023 Audi SQ5
- 2024 Audi SQ5
- 2022 Audi SQ7
- 2023 Audi SQ7
- 2024 Audi SQ7
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.