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Service bulletin A9423662071331_1

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 id10242975
Published by NHTSA2023-10-05
Manufacturer's numberA9423662071331_1
Manufacturer's date2023-09-11
NHTSA componentUNKNOWN OR OTHER; EXTERIOR LIGHTING:BRAKE LIGHTS

NHTSA's summary

This bulletin provides information for when the 3rd brake light warning is displayed in the instrument cluster; DTC B12C615.

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

Lighting, Brake lights

Trouble codes named

B12C6

Vehicles listed
AUDI A32022, 2023
AUDI RS 32022, 2023
AUDI S32022, 2023

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
A9424752073316_12024-04-04. Service bulletin. This bulletin provides information when there is a warning for the 3rd brake light; DTC B12C615.
A9423692071331_22024-01-04. Service bulletin. This bulletin provides information for when the 3rd brake light warning is displayed in the instrument cluster; B12C615.
A9422572067742_12022-09-01. Service bulletin. This pending service solution advises that a software solution is being prepared for instances where a warning for the 3rd brake light shows in the instrument cluster but the light itself continues to work. The bulletin requests that technicians document these instances through the PSS system.