Service bulletin Circular - Emiss
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10133276 |
| Published by NHTSA | 2018-04-16 |
| Manufacturer's number | Circular - Emiss |
| Manufacturer's date | 2017-12-29 |
| NHTSA component | ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL |
NHTSA's summary
Over time and mileage and under certain conditions, the factory-installed catalysts may not perform as required by Federal regulations. If the effectiveness of a catalyst is reduced, this may result in an increase in tailpipe emissions and the vehicle could fail to pass an emissions inspection.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Engine, Exhaust and emissions
| AUDI A6 | 2008, 2009, 2010, 2011 |
|---|---|
| AUDI A8 | 2008 |
| AUDI S5 | 2008, 2009 |
| AUDI S5 CABRIOLET | 2010 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
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