Service bulletin A9421502064418_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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10203694 |
| Published by NHTSA | 2021-12-07 |
| Manufacturer's number | A9421502064418_2 |
| Manufacturer's date | 2021-11-19 |
| NHTSA component | EXTERIOR LIGHTING:TAIL LIGHTS; EXTERIOR LIGHTING:TURN SIGNAL; ELECTRICAL SYSTEM |
NHTSA's summary
This bulletin states to fill out the questionnaire and clear DTCs if the vehicle is within NVLW for DTC(s) B16D4F4, B16D5F4, B16D6F4, B16D7F4, if the vehicle returns then follow additional instructions.
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, Turn signals
Trouble codes named
B16D4, B16D5, B16D6, B16D7
| AUDI A8 | 2019, 2020 |
|---|---|
| AUDI A8 | 2021 to 2022 |
| AUDI A8 L E | 2020 |
| AUDI A8 L E | 2021 |
| AUDI A8 PHEV | 2022 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| A9423672071954_1 | 2023-11-06. Service bulletin. This bulletin provides information pertaining to when there are foreign objects inside of a headlight or taillight. |
|---|---|
| A9023252070332_1 | 2023-06-06. Service bulletin. This bulletin provides information for when the turn signal is unusually loud. |
| A9022872068300_2 | 2023-01-06. Service bulletin. This Pending Service Solution requests that technicians document instances where the clicking sound is unusually loud for the turn signal. |
| A9022792068300_1 | 2022-11-04. Service bulletin. This Pending Service Solution requests that technicians document instances where the clicking sound is unusually loud for the turn signal. |
| A9720702058876_1 | 2020-04-02. Service bulletin. This bulletin contains a software update for the OLED taillights. |