# 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.

- Type: Service bulletin
- NHTSA id: 10186588
- Published by NHTSA: 2021\-02\-04
- Manufacturer's number: Dealer 94M9
- Manufacturer's date: 2021\-01\-19
- NHTSA component: ELECTRICAL 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10186588-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10186588-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Lighting, Tail lights

## Vehicles listed

- 2019 AUDI E\-TRON
- 2020 AUDI E\-TRON
- 2021 AUDI E\-TRON

## Other bulletins for the same vehicles and component

- [A9423672071954\_1](/bulletins/10244595.md), 2023-11-06, Service bulletin: EXTERIOR LIGHTING:TAIL LIGHTS; EXTERIOR LIGHTING:HEADLIGHTS. This bulletin provides information pertaining to when there are foreign objects inside of a headlight or taillight.
- [A9421422063973\_1](/bulletins/10199220.md), 2021-08-04, Service bulletin: EXTERIOR LIGHTING:TAIL LIGHTS; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for a tail light warning with DTCs B16D431, B16D531, B16D631, and/or B16D731.
- [Circular 94M9](/bulletins/10186584.md), 2021-02-04, Service bulletin: EXTERIOR LIGHTING:TAIL LIGHTS. 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\_2](/bulletins/10177420.md), 2020-08-06, Service bulletin: STRUCTURE:BODY:TRUNK LID; EXTERIOR LIGHTING:TAIL LIGHTS. 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\_1](/bulletins/10172756.md), 2020-04-02, Service bulletin: ELECTRICAL SYSTEM; EXTERIOR LIGHTING:TAIL LIGHTS. 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.

JSON: [/v1/bulletins/10186588](/v1/bulletins/10186588)

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