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Service bulletin Update 21E7 8S

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 id10130749
Published by NHTSA2018-04-02
Manufacturer's numberUpdate 21E7 8S
Manufacturer's date2014-08-05
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

On Audi A3 vehicles manufactured within a specific period the turbocharger may fail causing the MIL to illuminate. This Update is in effect until removed. Procedure is valid only for vehicles that show the 21E7 code in the Elsa 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.

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 Q32015

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

Recalls for the same vehicles and component
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_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_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.
TSB_2024323_132026-04-07. Service bulletin. This bulletin provides information when the parking assistance gives false warnings.
TSB_2024323_122026-04-07. Service bulletin. This bulletin provides information when the parking assistance gives false warnings.
TSB_2080517_22026-03-03. Service bulletin. This bulletin provides informaiotn when the starter battery is discharged or defective.
TSB_2059335_62026-03-03. Service bulletin. This TSB provides information when there are noises from the area around the instrument cluster.