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C10AC on the 2020 Audi A6 allroad

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 C10AC
A4822332064018_62022-07-01. Service bulletin. This bulletin contains a software update to address a red steering warning light with DTC C10AC07 stored.
A4822162064018_52022-02-04. Service bulletin. This bulletin contains a software update to address a red steering warning light with DTC C10AC07 stored.
A4821122064018_32021-12-07. Service bulletin. This bulletin contains a software update to address a red steering warning light with DTC C10AC07 stored.
A4821102064018_22021-10-05. Service bulletin. This bulletin contains a software update to address a red steering warning light with DTC C10AC07 stored.
A4821072064018_12021-08-04. Service bulletin. This bulletin contains a software update to address a red steering warning light with DTC C10AC07 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.