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B1000 on the 2021 Volkswagen Passat

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 B1000
VOS-25-042025-02-06. Service bulletin. This is a notice for software changes with the ODIS diagnostic program to correct the communication for the airbag control module. For trouble code DTC B10001B. Driver airbag igniter resistance too high -N95
VOS-24-1292024-12-05. Service bulletin. This is a notice for software changes with the ODIS diagnostic program to correct the communication for the airbag control module. For trouble code DTC B10001B. Driver airbag igniter resistance too high -N95

2 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.