Service bulletins for the 2020 Audi S3
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
640 on file from NHTSA, as of 2026-10-19.
About C12B3 on the 2020 Audi S3: what the code means, and the bulletins and recalls about the same components.
By type
By component
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Only bulletins with trouble code: C12B3 are shown. Show all
| A9623852059201_6 | 2023-05-05. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM. This bulletin contains information for when the message appears in the instrument cluster about the high beam assist and/or traffic sign detection with DTC C12B3FD. |
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| A9621632059201_4 | 2021-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains information for when the messages appear in the instrument cluster about the high beam assist and/or traffic sign detection with DTC C12B3FD. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.