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Service bulletin A721720 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 id10122875
Published by NHTSA2017-11-08
Manufacturer's numberA721720 2048311-
Manufacturer's date2017-08-29
NHTSA componentSEAT 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

Seat belts

Vehicles listed
AUDI A5 CABRIOLET2018
AUDI S52018
AUDI S5 CABRIOLET2017

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
A6923922063398_32023-07-10. Service bulletin. This bulletin provides information for when the seatbelt is hard to latch in the belt buckle.
A7223482048311_72023-07-10. Service bulletin. This bulletin provides a software update for instances where the seat belt positioner is intermittently inoperative.
A7222442048311_62022-07-01. Service bulletin. This bulletin contains a software update to correct an intermittently inoperative seat belt positioner.
A7222402048311_52022-03-04. Service bulletin. This bulletin contains a software update to correct an intermittently inoperative seat belt positioner.
A6922802065964_12022-03-04. Service bulletin. This bulletin addresses the possible concern that the seat belts have been installed on the wrong side during a service appointment.
A6921662063398_12021-06-03. Service bulletin. This informational bulletin outlines what is damage due to outside influence on a seat belt.
A6920522059428_12020-06-04. Service bulletin. This bulletin contains instructions for DTCs B130494 and B130594.
A7219212048311_42019-10-02. Service bulletin. This bulletin contains instructions for when the seat belt positioner is intermittently inoperative without DTCs. RS5 Cabriolet