P203B on the 2016 Audi A6
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.
| A011913 20353688 | 2019-04-02. Service bulletin. This bulletin contains repair instructions for when a MIL is on with DTC P203B00. |
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| A011875 2035368- | 2018-09-17. Service bulletin. This bulletin contains repair instructions for when a MIL is on with DTC P203B00. |
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.