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Service bulletin Circular 24Fi

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 id10199917
Published by NHTSA2021-09-02
Manufacturer's numberCircular 24Fi
Manufacturer's date2021-08-03
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

Engine control software updates include improvements to diagnostics and monitoring to improve vehicle serviceability.

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
VOLKSWAGEN GOLF2019, 2020
VOLKSWAGEN GOLF SPORTWAGEN2019
VOLKSWAGEN JETTA2019, 2020

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
TT 91 24 012024-02-06. Service bulletin. Addressing Cybersecurity or Vehicle Hack concerns
VCarNetCE2023-07-10. Service bulletin. Notifying customers they can take advantage of complimentary safe and secure after their complimentary software update
V0118122014603192023-07-10. Service bulletin. Software Version Management (SVM) instruction.
VOS-23-142023-07-10. Service bulletin. This communication is a notice for software changes with the ODIS program for specific cars
VOS16032022-06-13. Service bulletin. Release Notes Supplement.
VOS16022022-06-13. Service bulletin. Mandatory Installation from Web-Server.
VOS16012022-06-13. Service bulletin. Mandatory Installation from Web-Server.
A0021552011732122022-01-05. Service bulletin. This bulletin contains general instructions for software updates.
V0019042054866_42021-09-02. Service bulletin. SD creator instruction, updated to include model year 2022.
Dealer 24Fi2021-09-02. Service bulletin. Engine control software updates include improvements to diagnostics and monitoring to improve vehicle serviceability.