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Service bulletin Update Bulletin-

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 id10121479
Published by NHTSA2017-10-31
Manufacturer's numberUpdate Bulletin-
Manufacturer's date2013-11-01
NHTSA componentEQUIPMENT:ELECTRICAL

NHTSA's summary

Rough idle or reduced driving power and, in turn, an illuminated Malfunction Indicator Lamp (MIL) on the instrument cluster due to the presence of specific fault codes caused by this component. This Update is in effect until removed. Procedure is valid only for vehicles that show the 28G6 code in the ElsaWeb Campaign/Action Information screen on the day of repair. Vehicle must be within the New Vehicle Limited Warranty. Procedure must be performed within the allotted time frame stated in this Technical Service Bulletin. Procedure must be performed on applicable vehicles in dealer inventory prior to sale. A faulty ignition coil can result in rough idling or reduced driving power and, in turn, cause the Malfunction Indicator Lamp (MIL) on the instrument cluster to illuminate due to the presence of specific fault codes caused by this component.

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

Equipment and accessories

Vehicles listed
AUDI A42010
AUDI A4 ALLROAD2013
AUDI A4 AVANT2011 to 2012
AUDI A52010, 2011, 2012, 2013
AUDI A5 CABRIOLET2010 to 2013
AUDI A62013
AUDI Q52011, 2012, 2013

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

Other bulletins for the same vehicles and component
A6-S6-A2024-04-22. Service bulletin. Audi Delivery Guidelines.
A6-S62024-04-22. Service bulletin. Audi Delivery Guidelines.
A5-S52024-04-22. Service bulletin. Audi Delivery Guidelines.
A5-S5-Coupe2024-04-22. Service bulletin. Audi Delivery Guidelines.
A9124632044694_32024-03-06. Service bulletin. This bulletin provides information pertaining to MMI Navigation database concerns.
40144120181942024-02-26. Service bulletin. Shock absorber leaks: assessment aid
PDIk2024-02-12. Service bulletin. Lineamientos de entrega de Audi
PDIj2024-02-12. Service bulletin. Lineamientos de entrega de Audi
PDIi2024-02-12. Service bulletin. Lineamientos de entrega de Audi
GuidelinesD2024-02-12. Service bulletin. AUDI delivery guidelines