Audi A4 2019–2021 — technical service bulletin
Bulletin A2022502061461_5 · NHTSA communication 10225529 · issued Oct 27, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2021
model years
7
vehicle entries
Official summary
This bulletin advises on the repair recommendation for a squeaking, grinding, or tweeting noise coming from the engine compartment. DTC P2BA300 may be stored.
Vehicles covered
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.