Audi A4 2019–2025 — technical service bulletin
Bulletin AVIN4APIN20251001 · NHTSA communication 11025251 · issued Oct 1, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2019–2025
model years
60
vehicle entries
Official summary
Summary of all Vin-4-Pin topics: Brake pulsation MIB3 takes a long time to load at startup Difficult to fuel, EVAP canister part block P001700 crank-cam correlation MIL on: DTC U041800 drive motor coolant and gear oil contamination PPE/PPC time off by 1 hour
Vehicles covered
- 2021 Audi A4
- 2022 Audi A4
- 2023 Audi A4
- 2024 Audi A4
- 2025 Audi A4
- 2021 Audi A4 Allroad
- 2022 Audi A4 Allroad
- 2023 Audi A4 Allroad
- 2024 Audi A4 Allroad
- 2025 Audi A4 Allroad
- 2021 Audi A5
- 2022 Audi A5
- 2023 Audi A5
- 2024 Audi A5
- 2025 Audi A5
- 2021 Audi A5 Cabriolet
- 2022 Audi A5 Cabriolet
- 2023 Audi A5 Cabriolet
- 2024 Audi A5 Cabriolet
- 2021 Audi A5 Sportback
- 2022 Audi A5 Sportback
- 2023 Audi A5 Sportback
- 2024 Audi A5 Sportback
- 2025 Audi A5 Sportback
- 2024 Audi A6
- 2025 Audi A6
- 2024 Audi A6 Allroad
- 2025 Audi A6 Allroad
- 2024 Audi A7
- 2025 Audi A7
- 2024 Audi A8
- 2025 Audi A8
- 2019 Audi E-Tron
- 2021 Audi E-Tron
- 2022 Audi E-Tron
- 2023 Audi E-Tron
- 2020 Audi E-Tron Sportback
- 2021 Audi E-Tron Sportback
- 2022 Audi E-Tron Sportback
- 2023 Audi E-Tron Sportback
- 2024 Audi Q5
- 2025 Audi Q5
- 2024 Audi Q5 E
- 2025 Audi Q5 E
- 2024 Audi Q5 Sportback
- 2025 Audi Q5 Sportback
- 2025 Audi Q6 E-Tron
- 2024 Audi Q7
- 2025 Audi Q7
- 2024 Audi Q8
- 2025 Audi Q8
- 2024 Audi Q8 E-Tron
- 2025 Audi Q8 E-Tron
- 2024 Audi Q8 Sportback E-Tron
- 2025 Audi Q8 Sportback E-Tron
- 2021 Audi RS 5
- 2022 Audi RS 5
- 2023 Audi RS 5
- 2024 Audi RS 5
- 2021 Audi RS 5 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.