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Service bulletin A9421512063766_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 id10203720
Published by NHTSA2021-12-07
Manufacturer's numberA9421512063766_2
Manufacturer's date2021-11-30
NHTSA componentEQUIPMENT; EXTERIOR LIGHTING:TAIL LIGHTS

NHTSA's summary

This bulletin contains repair instructions for DTC B12CB15 and/or B12CC15 with a tail warning lamp.

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

Equipment and accessories, Lighting, Tail lights

Trouble codes named

B12CB, B12CC

Vehicles listed
AUDI Q52018, 2019, 2020
AUDI Q5 PHEV2020
AUDI SQ52018, 2019, 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
A9423672071954_12023-11-06. Service bulletin. This bulletin provides information pertaining to when there are foreign objects inside of a headlight or taillight.
A9421452063766_12021-10-06. Service bulletin. This bulletin contains repair instructions for DTC B12CB15 and/or B12CC15 with a tail warning lamp.