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B13BC on the 2016 Audi TT

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 B13BC
A6924112056406_52024-07-02. Service bulletin. This bulletin provides information when the airbag warning light is on, DTC B13BCF2 stored in the airbag control module.
A6924112056406_52024-07-02. Service bulletin. This bulletin provides information when the airbag warning light is on, DTC B13BCF2 stored in the airbag control module.
A6923912056406_42023-07-10. Service bulletin. This bulletin provides information for when the airbag warning light is on and DTC B13BCF2 is stored in the airbag control module.
A6922812056406_32022-03-04. Service bulletin. This bulletin contains instructions for when the airbag warning is illuminated and DTC B13BCF2 is stored.
A6921692056406_22021-10-05. Service bulletin. This bulletin contains instructions for when the airbag warning is illuminated and DTC B13BCF2 is stored.

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.