Service bulletins for the 2001 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.
98 on file from NHTSA, as of 2026-10-19.
About P0411 on the 2001 Audi TT: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P0411 are shown. Show all
| 0005 | 2001-02-01. Service bulletin. UNKNOWN OR OTHER. A CONDITION MAY EXIST WITH THE MALFUNCTION INDICATOR LIGHT ON WITH DIAGNOSTIC TROUBLE CODE P0411 SECONDARY AIR SYSTEM INCORRECT FLOW DETECTED STORED IN MEMORY. *TT |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.