Audi A4 2019–2023 — technical service bulletin
Bulletin A1323172061461_7 · NHTSA communication 10233296 · issued Mar 17, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2023
model years
20
vehicle entries
Official summary
This bulletin provides instructions for when there is a grinding/squeaking/tweeting noise coming from the engine compartment OR there is a message in the driver information system stating "Electrical system Malfunction! Please go to workshop". DTC P2BA300 may be stored.
Vehicles covered
- 2021 Audi A4
- 2022 Audi A4
- 2023 Audi A4
- 2021 Audi A4 Allroad
- 2022 Audi A4 Allroad
- 2021 Audi A5
- 2022 Audi A5
- 2023 Audi A5
- 2021 Audi A5 Cabriolet
- 2022 Audi A5 Cabriolet
- 2023 Audi A5 Cabriolet
- 2019 Audi A6
- 2020 Audi A6
- 2021 Audi A6
- 2022 Audi A6
- 2023 Audi A6
- 2023 Audi Allroad
- 2021 Audi Q5
- 2023 Audi Q5
- 2022 Audi Q5 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.