P2BA3 on the 2021 Audi A4
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| A1324242061461_9 | 2024-04-04. Service bulletin. This bulletin provides information for when the starter/generator drive belt is noise or came off; DTC P2BA300 may be stored in the ECM. |
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| A1323172061461_7 | 2023-04-06. Service bulletin. 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. |
| A1323162061461_6 | 2023-02-07. Service bulletin. 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. |
| A2022502061461_5 | 2022-11-04. Service bulletin. This bulletin advises on the repair recommendation for a squeaking, grinding, or tweeting noise coming from the engine compartment. DTC P2BA300 may be stored. |
4 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.