C12A3 on the 2022 Audi S8
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.
| A4824662066318_6 | 2024-06-25. Service bulletin. This bulletin provides information when there is a rear steering; DTC B200FF0 or C12A329. |
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| A4824662066318_6 | 2024-06-25. Service bulletin. This bulletin provides information when there is a rear steering; DTC B200FF0 or C12A329. |
| A4823562066318_5 | 2023-11-06. Service bulletin. This bulletin provides information when there is a rear wheel steering malfunction - DTCs B200FF0 pr C12A329. |
| A4823472066318_4 | 2023-07-10. Service bulletin. This bulletin provides information for when there is a rear wheel steering malfunction; DTC B200FF0 or C12A329. |
| A4822292066318_3 | 2022-05-05. Service bulletin. This bulletin describes a software update to address DTCs B200FF0 or C12A329 stored in the axle wheel steering control module. |
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.