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Service bulletin Bulletin 24GU

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 id10190520
Published by NHTSA2021-05-06
Manufacturer's numberBulletin 24GU
Manufacturer's date2021-04-13
NHTSA componentELECTRICAL SYSTEM; ENGINE

NHTSA's summary

In the event of a catalytic converter failure, which could negatively impact tailpipe emissions, existing diagnostics may not properly illuminate the check engine light (MIL) due to an error identified with Rear O2 Sensor monitoring.

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, Engine

Vehicles listed
AUDI Q52019, 2020

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

Recalls for the same vehicles and component
23V8420002023-12-13. ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:CABLE/CORD:ONBOARD
20217402021-12-09. Electrical
21V9470002021-12-08. STRUCTURE:BODY; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM
19V4730002019-06-19. AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
TSB_2083393_12026-10-05. Service bulletin. This bulletin provides information when the starter/generator drive belt is noisy or came off.
TSB_2079214_42026-10-05. Service bulletin. This bulletin provides information regarding fault finding and repair information for electric tailgate.
TSB_2068573_62026-10-05. Service bulletin. This bulletin provides information when the rear parking sensor sometimes does not work, rear parking sensor loose, rear parking sensor fault message.
TSB_2082976_22026-09-04. Service bulletin. This bulletin provides general information about the current tpp issues for Audi connect.
TSB_2082976_12026-09-04. Service bulletin. This bulletin provides general information about the current tpp issues for Audi connect.
TSB_2069331_82026-09-04. Service bulletin. This bulletin provides informaitn when there is a warning messsage; "Instrument cluster: fault. Limited warning messages. Please contact workshop"; DTC B200096.
TSB_2064681_62026-09-04. Service bulletin. This bulletin provides information when there is an issue with wireless charging/wireless charging is not working.
TSB_2073747_42026-08-05. Service bulletin. This bulletin provides informatoinw hent here are scratches or a coating on the cover of the instrument cluster, or particles inside of the housing.
TSB_2082323_12026-07-07. Service bulletin. This bulletin provides informaiton when the engine is not running smoothly, misfiring.
TSB_2082147_12026-07-07. Service bulletin. This bulletin provides informaiton when there are function issues in vehicles equipped with connectivity box low.