Audi A4 2018–2024 — technical service bulletin
Bulletin AVIN4PIN20231001 · NHTSA communication 10243976 · issued Oct 1, 2023
Technical service bulletin
communication type
Electrical System
component
2018–2024
model years
60
vehicle entries
Official summary
3.0L engine sound generator malfunctioning Air suspension warning - DTC P089200 charge handle doesn't release Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 "Check engine lamp on, DTC P042000: Catalyst System, Bank1 Efficiency Below" Coolant leak from expansion tank Corrosion inside door module Fuel pressure low. DTC P008700 Leak from oil pan Low coolant warning in cluster, coolant level is correct Noise from belt tensioner damper Noise from front door trim panel while driving Vehicle will not charge
Vehicles covered
- 2023 Audi A4
- 2023 Audi A4 Allroad
- 2021 Audi A5
- 2022 Audi A5
- 2019 Audi A6
- 2020 Audi A6
- 2021 Audi A6
- 2022 Audi A6
- 2023 Audi A6
- 2024 Audi A6
- 2019 Audi A7
- 2020 Audi A7
- 2021 Audi A7
- 2022 Audi A7
- 2023 Audi A7
- 2024 Audi A7
- 2021 Audi A8
- 2022 Audi A8
- 2023 Audi A8
- 2021 Audi E-Tron
- 2022 Audi E-Tron
- 2022 Audi E-Tron GT
- 2023 Audi E-Tron GT
- 2024 Audi E-Tron GT
- 2019 Audi Q3
- 2020 Audi Q3
- 2021 Audi Q3
- 2022 Audi Q3
- 2023 Audi Q3
- 2022 Audi Q4 E-Tron
- 2023 Audi Q4 E-Tron
- 2024 Audi Q4 E-Tron
- 2019 Audi Q7
- 2020 Audi Q7
- 2021 Audi Q7
- 2022 Audi Q7
- 2023 Audi Q7
- 2024 Audi Q7
- 2019 Audi Q8
- 2020 Audi Q8
- 2021 Audi Q8
- 2022 Audi Q8
- 2023 Audi Q8
- 2024 Audi Q8
- 2019 Audi S4
- 2020 Audi S4
- 2021 Audi S4
- 2022 Audi S4
- 2023 Audi S4
- 2024 Audi S4
- 2019 Audi S5
- 2020 Audi S5
- 2021 Audi S5
- 2022 Audi S5
- 2023 Audi S5
- 2018 Audi SQ5
- 2019 Audi SQ5
- 2020 Audi SQ5
- 2021 Audi SQ5
- 2022 Audi SQ5
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.