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B1225 on the 2024 Audi S4

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.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name B1225
AVIN4APIN20250428-22025-05-03. Other. Summary of all Vin4Pin topic in May Cylinder head cover bolts leaking Airbaglight on DTC B12251B Steering column switch trim dislodged MIB3 system takes a long time to load at startup Sunroof shade binds
AVIN4APIN202504282025-05-03. Other. Summary of all Vin4Pin topic in May Cylinder head cover bolts leaking Airbaglight on DTC B12251B Steering column switch trim dislodged MIB3 system takes a long time to load at startup Quattro ultra binding Front or rear window not closing correctly/reverse direction Sunroof shade binds
AVIN4APIN202407152024-08-06. Other. Summary of all Audi Vin4Pin topics in June Corrosion on wheelhouse cover plate MIB3 - Stuck on loading user information when booting up Airbag light on, DTCs B101704, B103604 Q5 Airbag light Roof panel buttons inop Airbag light B12251B the front windows is noisy and/or binding Front door wind noise
AVIN4APIN202406072024-07-02. Other. Summary of all Audi Vin4Pin topics in June Corrosion on wheelhouse cover plate Airbag light on, DTCs B101704, B103604 Q5 Airbag light Roof panel buttons inop Airbag light B12251B Front door(s) hard to close Front door wind noise the front windows is noisy and/or binding Front door wind noise the front windows is noisy and/or binding Water intrusion into cabin from kinked sunroof drain hose
AVIN4APIN202406072024-07-02. Other. Summary of all Audi Vin4Pin topics in June Corrosion on wheelhouse cover plate Airbag light on, DTCs B101704, B103604 Q5 Airbag light Roof panel buttons inop Airbag light B12251B Front door(s) hard to close Front door wind noise the front windows is noisy and/or binding Front door wind noise the front windows is noisy and/or binding Water intrusion into cabin from kinked sunroof drain hose

5 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.