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Service bulletin A551639 2045651-

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 id10128012
Published by NHTSA2018-02-05
Manufacturer's numberA551639 2045651-
Manufacturer's date2016-10-14
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

This bulletin provides instructions for a software issue that prevent the foot motion activation for the trunk from working properly.

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, Software

Vehicles listed
AUDI A4 ALLROAD2017
AUDI A52017

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
A0023822047812_72024-01-04. Service bulletin. This bulletin provides information on how to set up and use the SD Creator for obtaining vehicle software updates via the Mirror Server.
A4622332051095_72022-07-01. Service bulletin. This informational bulletin contains instructions on how to download and use the Audi Frequency App.
A0021552011732122022-01-05. Service bulletin. This bulletin contains general instructions for software updates.
A9121072060681_32021-07-02. Service bulletin. This bulletin contains instructions to update eligible cars from Google Earth to the new service provided by HERE.
A9120512059383_32021-01-08. Service bulletin. This bulletin contains a software update for various technical MMI issues.
A9120412060681_22021-01-08. Service bulletin. This bulletin contains instructions to update eligible cars from Google Earth to the new service provided by HERE.
A9120762042506102020-07-07. Service bulletin. This technical service bulletin explains how to determine the status of activation keys (that affect the function of Audi drive select, cruise control, navigation, Bluetooth, smartphone interface and voice recognition), and how to update them.
A9020482048517_32020-06-04. Service bulletin. This bulletin contains a software update for when only the park aid lines are displayed.
A9120642059385_12020-05-07. Service bulletin. This bulletin contains a software update for various technical concerns with the MMI.
A9120632059383_12020-05-07. Service bulletin. This bulletin contains a software update for various technical MMI issues.