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B1304 on the 2022 Audi A3

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 B1304
A6923992070322_42023-11-06. Service bulletin. This bulletin provides information for when air bag control module test plans are not completing; DTCs B130455, B130555, B159B00, and P000000.
A6923982070322_32023-11-06. Service bulletin. This bulletin provides information for when airbag control module test plans are not completing and DTCs B130455, B130555, B159B00.
A6923952070322_22023-10-05. Service bulletin. This bulletin provides information for when the airbag control module test plans are not completing; DTCs B130455, B130555, B159B00.
A6923892070332_12023-06-06. Service bulletin. During PDI, DTCs B130455, B130555, and/or B159B00 may be stored in the airbag control module. An ODIS patch is available.

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.