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Service bulletin Circular91U7rev1

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 id10165377
Published by NHTSA2019-10-07
Manufacturer's numberCircular91U7rev1
Manufacturer's date2019-09-06
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Infotainment System Software - Security Patch - Revised Also includes 2015 A3 Cabriolet, 2016 TT Roadster, A3 Cabriolet, A3 Sportback

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

Vehicles listed
AUDI A3 CABRIOLET2015 to 2016
AUDI A4 ALLROAD2017
AUDI A62016
AUDI A72016
AUDI Q72016
AUDI Q72017
AUDI R8 SPYDER2017
AUDI RS 72016
AUDI S32015, 2016
AUDI S62016
AUDI S72016
AUDI TT ROADSTER2016

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

Recalls for the same vehicles and component
18V8620002018-12-05. ELECTRICAL SYSTEM:WIRING
16V6420002016-09-06. ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
TSB_2083183_12026-10-05. Service bulletin. This bulletin provides infomraiotn when there are noises from the surround loudspeaker.
TSB_2079214_42026-10-05. Service bulletin. This bulletin provides information regarding fault finding and repair information for electric tailgate.
TSB_2082977_12026-09-04. Service bulletin. This bulletin provides informaiton when the airbag warning lamp is active, event memory "B200000 - Faulty control module, symptom 305".
TSB_2073747_42026-08-05. Service bulletin. This bulletin provides informatoinw hent here are scratches or a coating on the cover of the instrument cluster, or particles inside of the housing.
TSB_2059335_72026-07-07. Service bulletin. This bulletin provides information when there are noises from the area around the instrument cluster.
TSB_2074729_32026-07-07. Service bulletin. This bulletin provides informationwhen noises/vibration are detected from front of vehicle in dynamic mode.
TSB_2080517_42026-06-04. Service bulletin. This bulletin provides informaiotn when the starter battery is discharged or defective.
TSB_2080517_32026-05-05. Service bulletin. This bulletin provides informaiotn when the starter battery is discharged or defective.
TSB_2081409_12026-04-07. Service bulletin. This bulletin provides informaiton regarding the Universal Traffic Recorder.
TSB_2081405_12026-04-07. Service bulletin. This bulletin provides informaiotn about various infortainment system complaints.