C12D5 on the 2024 Audi S6
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.
| TSB_2076396_3 | 2026-10-05. Service bulletin. This bulletin provides information regarding driver assist systems; Audi adaptive light, Audi pre sense system fault, adaptive cruise assist inop (DTC C12D5FA). |
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| TSB_2076396_2 | 2025-11-08. Service bulletin. This bulletin provides information regarding Audi pre sense system fault, adaptive cruise assist inop (DTC C12D5FA). |
| A9024552076396_1 | 2025-01-07. Service bulletin. This bulletin provides information there Driver assist systems: Audi adaptive light, Audi pre sense system fault, adaptive cruise assist inop (DTC C12D5FA) |
| A9023492071958_1 | 2023-11-06. Service bulletin. This bulletin provides information for when the DTC C12D5FA is stored; Audi adaptive light, Audi pre sense fault, and Audi cruise assist inoperable. |
4 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.