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Service bulletin A901342 2035902-

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 id10121509
Published by NHTSA2017-10-31
Manufacturer's numberA901342 2035902-
Manufacturer's date2013-11-27
NHTSA componentELECTRICAL SYSTEM:IGNITION

NHTSA's summary

"Ignition lock faulty" message is displayed in the driver information display with the symbol shown at right. DTCs are stored in the comfort system central control unit. The "ignition lock faulty" message can be triggered by many different DTC entries. Presence of the message does not indicate that the ignition switch is faulty; the message typically has a different root cause. Replacing the ignition switch before completing GFF test plans typically does not correct the condition.

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, Ignition

Vehicles listed
AUDI A42009, 2010
AUDI A4 ALLROAD2013, 2014, 2015
AUDI A4 AVANT2011 to 2012
AUDI A52008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
AUDI Q52009, 2010, 2011, 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
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.
28 13 21 20175552022-05-31. Service bulletin. Key does not stay or engage in ignition lock