Service bulletins for the 2018 Audi TT RS
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.
491 on file from NHTSA, as of 2026-10-19.
About C100C on the 2018 Audi TT RS: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: C100C are shown. Show all
| A4623452070679_1 | 2023-07-10. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK. This bulletin provides information for when one or more DC is stored in the ABS control unit related to the parking switch; DTC C100C07 and/or C100C29. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.