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Service bulletin A9724052069123_2

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 id10249231
Published by NHTSA2024-02-06
Manufacturer's numberA9724052069123_2
Manufacturer's date2024-01-18
NHTSA componentFUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY

NHTSA's summary

This bulletin provides information for when DTC U064100, or U06400 are stored for fuel tank breather, and the MIL is illuminated.

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

Fuel system, Fuel tank

Trouble codes named

U0641

Vehicles listed
AUDI A42021, 2022, 2023
AUDI A4 ALLROAD2021, 2022, 2023
AUDI A52021, 2022, 2023
AUDI A5 CABRIOLET2021 to 2023
AUDI AUDI

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
A1921222046712_32021-08-04. Service bulletin. This informational bulletin contains guidelines for figuring out why coolant marks are present around the coolant expansion tank cap.