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Service bulletin Dealer 94M9

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 id10186588
Published by NHTSA2021-02-04
Manufacturer's numberDealer 94M9
Manufacturer's date2021-01-19
NHTSA componentELECTRICAL SYSTEM; EXTERIOR LIGHTING:TAIL LIGHTS

NHTSA's summary

The rear lid auxiliary tail lamp may flicker due to an internal electronics problem (increased resistance). As a result, the rear lid auxiliary tail lamp may sporadically fail to function. This issue does not affect the function of the other rear lamps on the vehicle.

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, Lighting, Tail lights

Vehicles listed
AUDI E-TRON2019
AUDI E-TRON2020
AUDI E-TRON2021

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.
A9421422063973_12021-08-04. Service bulletin. This bulletin contains a software update for a tail light warning with DTCs B16D431, B16D531, B16D631, and/or B16D731.
Circular 94M92021-02-04. Service bulletin. The rear lid auxiliary tail lamp may flicker due to an internal electronics problem (increased resistance). As a result, the rear lid auxiliary tail lamp may sporadically fail to function. This issue does not affect the function of the other rear lamps on the vehicle.
A9120862058647_22020-08-06. Service bulletin. This bulletin contains repair instuctions for when to replace a taillight with DTCs B16D5F1, B16D5F2, and B16D5F6 or B16D7F1, B16D7F6 and B16D7F2 stored in the comfort system central control module.
A9120422058647_12020-04-02. Service bulletin. This bulletin contains repair instuctions for when to replace a taillight with DTCs B16D5F1, B16D5F2, and B16D5F6 or B16D7F1, B16D7F6 and B16D7F2 stored in the comfort system central control module.