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Service bulletin A911925 2053537

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 id10155665
Published by NHTSA2019-04-01
Manufacturer's numberA911925 2053537
Manufacturer's date2019-01-14
NHTSA componentEQUIPMENT

NHTSA's summary

This bulletin contains a software update for when the sound settings are lost after a sleep cycle.

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 A3 CABRIOLET2017 to 2018
AUDI A4 ALLROAD2017, 2018
AUDI A52018
AUDI Q52018

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
SM 21-20242024-04-05. Service bulletin. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
SM 19-20242024-04-05. Service bulletin. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
SM 17-20242024-04-05. Service bulletin. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
A9124802055591_62024-03-06. Service bulletin. This bulletin provides information for vehicles when the infotainment system sporadically reboots.
A9124682072959_12024-03-06. Service bulletin. This bulletin provides information for when Apple CarPlay pops up or takes over audio without user intervention in vehicles with the Audi Smartphone Interface.
A9124632044694_32024-03-06. Service bulletin. This bulletin provides information pertaining to MMI Navigation database concerns.
SM 56-20232023-12-07. Service bulletin. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
A0023812070568_22023-12-06. Service bulletin. This bulletin provides information on the VAS 611 015 PICO-NVH tool for professional noise analysis.
A9123332058007_22023-11-06. Service bulletin. This bulletin provides information for when Navigation, Bluetooth, smartphone interface, and voice recognition is not available.
A7423262071893_12023-11-06. Service bulletin. This bulletin provides damage assessment guidelines for textile seat covers.