Service bulletins for the 2015 Audi TT
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.
451 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| A3819172049498_4 | 2019-12-06. Service bulletin. POWER TRAIN. This bulletin contains repair instructions for when the all wheel drive coupling is stuck on or doesn't engage without DTCs stored. Also Audi 2015 and 2016 A3 Cabriolet. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.