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Service bulletin A641858 2050080-

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 id10150664
Published by NHTSA2018-12-10
Manufacturer's numberA641858 2050080-
Manufacturer's date2018-08-02
NHTSA componentVISIBILITY:POWER WINDOW DEVICES AND CONTROLS; STRUCTURE:BODY:DOOR

NHTSA's summary

This bulletin contains a software update to addess when intermittently the door window does not slightly roll down when opening the door, or does not roll up when closing the door.

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

Body and frame, Glass, wipers and mirrors, Power windows

Vehicles listed
AUDI A52017, 2018
AUDI A5 CABRIOLET2017 to 2018

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
A6424972062618_42024-02-06. Service bulletin. This bulletin provides information when the frameless window auto-drop function is inoperative in freezing weather.
A6421812049956_22022-01-06. Service bulletin. This bulletin contains a software update to address one or more various malfunctions of the motor for the window regulator with DTCs; B148713, B14874B , B148754 and/or B148701.
A641967 2050080-2019-05-28. Service bulletin. This bulletin contains a software update to addess when intermittently the door window does not slightly roll down when opening the door, or does not roll up when closing the door.
A641966 2050080-2019-04-08. Service bulletin. This bulletin contains a software update to addess when intermittently the door window does not slightly roll down when opening the door, or does not roll up when closing the door.
A641966 2050080-2019-04-01. Service bulletin. This bulletin contains a software update to addess when intermittently the door window does not slightly roll down when opening the door, or does not roll up when closing the door.
A641856 2050080-2018-09-17. Service bulletin. This bulletin contains a software update to addess when intermittently the door window does not slightly roll down when opening the door, or does not roll up when closing the door.
64E5 - Dealer Le2018-02-05. Service bulletin. UPDATE ? Servicing Window Regulators (NVLW) - A failure of the window regulator may occur on Audi A5 vehicles manufactured within a specific period. As a result, the window can no longer be opened/closed.
2013_06_ATU Anal2017-12-05. Service bulletin. This document contains information on analyzing squeaking windows on frameless doors.