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Service bulletin A721718 2048311-

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 id10127796
Published by NHTSA2018-02-05
Manufacturer's numberA721718 2048311-
Manufacturer's date2017-07-18
NHTSA componentELECTRICAL SYSTEM:SOFTWARE; SEAT BELTS

NHTSA's summary

This bulletin contains a software update to correct an intermittently inoperative seat belt positioner.

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, Seat belts, Software

Vehicles listed
AUDI A5 CABRIOLET2018
AUDI S5 CABRIOLET2017

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