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Service bulletin AA-3800

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10052089
Published by NHTSA2013-05-16
Manufacturer's numberAA-3800
Manufacturer's date2013-05-16
NHTSA componentEQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

NHTSA's summary

AUDI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. VEHICLES, WITH DIESEL ENGINES, WILL RECEIVE AN EXTENDED WARRANTY FOR EMISSIONS CONTROL SYSTEM EXHAUST FLAP REPLACEMENT. MODELS 2010-2012 A3. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Equipment and accessories, Exhaust and emissions

Vehicles listed
AUDI A32010, 2011, 2012

Listing a model year does not mean every vehicle of it is concerned: the document says which.

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