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Service bulletin Dealer Letter -

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 id10123964
Published by NHTSA2017-11-17
Manufacturer's numberDealer Letter -
Manufacturer's date2013-04-01
NHTSA componentELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL

NHTSA's summary

This communication covers two device-specific hardware repair situations that cause an "invalid license" error. The procedures must be performed by qualified personnel only.

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, Equipment and accessories, Software

Vehicles listed
AUDI AUDI

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