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Service bulletin 28 13 21 2017555

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 id10212674
Published by NHTSA2022-05-31
Manufacturer's number28 13 21 2017555
Manufacturer's date2013-04-19
NHTSA componentENGINE; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER

NHTSA's summary

Key does not stay or engage in ignition lock

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

Electrical system, Engine, Ignition

Vehicles listed
AUDI A42009, 2010, 2011, 2012, 2013, 2014
AUDI A52008, 2009, 2010, 2011, 2012, 2013, 2014
AUDI A5 CABRIOLET2010 to 2014
AUDI A82011
AUDI Q52009, 2010, 2011, 2012, 2013, 2014
AUDI S52008, 2009, 2010, 2011, 2012, 2013, 2014
AUDI S5 CABRIOLET2010 to 2014

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
Update28G62024-02-12. Service bulletin. Ignition Coils
28G6UPDATE2023-10-10. Service bulletin. Ignition Coils (NVLW)
A5723082027406_52023-07-10. Service bulletin. This bulletin provides information regarding the Audi advanced key.
A9623822056019_22023-03-06. Service bulletin. This bulletin provides instructions for when the anti-theft alarm has gone off for no reason, or did not go off at all. No DTCs are stored.
Edition832023-02-06. Service bulletin. 97 no start
011395203356112022-10-31. Service bulletin. Engine shakes. Some of the Bosch ignition coils installed in the affected vehicles may fail prematurely.
011386203363012022-10-31. Service bulletin. Because there are a number of different misfire faults (unrelated to ignition coil operation) that could cause the MIL to illuminate, proper Guided Fault Finding (GFF) misfire diagnosis must be followed before any ignition coils are replaced.
011308203356122022-09-26. Service bulletin. Some of the Bosch ignition coils installed in the affected vehicles may fail prematurely.
A0022582045316_62022-09-01. Service bulletin. This bulletin contains information for diagnosing the Start/Stop system.
37 14 42 20290272022-05-02. Service bulletin. Customer may report transmission warning light is illuminated. In some cases, the vehicle will not move after being started and placed into gear. After key cycle, the vehicle drives without restriction.