# Service bulletin A9120852046489\_4

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: 10177419
- Published by NHTSA: 2020\-08\-06
- Manufacturer's number: A9120852046489\_4
- Manufacturer's date: 2020\-07\-13
- NHTSA component: EQUIPMENT:ELECTRICAL; STRUCTURE:BODY:DOOR; EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS

## NHTSA's summary

This bulletin contains information on how to diagnose if the speakers have a hardware restriction that causes them to sound like they have been blown.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10177419-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10177419-9999.pdf)

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

## Components

Body and frame, Equipment and accessories

## Vehicles listed

- 2015 to 2020 AUDI TT
- 2017 AUDI TT RS
- 2018 to 2020 AUDI TT RS

## Other bulletins for the same vehicles and component

- [TSB\_2078648\_4](/bulletins/11038056.md), 2026-10-05, Service bulletin: STRUCTURE:BODY. This bulletin provides information about billing for a broken sunroof glass panel.
- [TSB\_2068999\_5](/bulletins/11038033.md), 2026-10-05, Service bulletin: STRUCTURE:BODY. This TSB describes a corrosion issue due to outside influence and the prohibition of warranty in these cases.
- [TSB\_2078648\_3](/bulletins/11036926.md), 2026-09-04, Service bulletin: STRUCTURE:BODY. This service information TSB provides warranty coverage information for vehicles with a broken sunroof panel.
- [TSB\_2076945\_2](/bulletins/11036922.md), 2026-09-04, Service bulletin: STRUCTURE:BODY. This bulletin provides information about leather care and seat repair.
- [TSB\_2068999\_4](/bulletins/11036908.md), 2026-09-04, Service bulletin: STRUCTURE:BODY. This TSB describes a corrosion issue due to outside influence and the prohibition of warranty in these cases.
- [TSB\_2078648\_2](/bulletins/11035818.md), 2026-08-05, Service bulletin: STRUCTURE:BODY. This service information TSB provides warranty coverage information for vehicles with a broken sunroof panel.
- [TSB\_2073282\_1](/bulletins/11035809.md), 2026-08-05, Service bulletin: STRUCTURE:BODY. This bulletin provides information when there is a film/visible rings on the clear glass cover of the headlight when the dipped beam is switched on.
- [TSB\_2068573\_5](/bulletins/11034651.md), 2026-07-07, Service bulletin: STRUCTURE:BODY. This bulletin provides informaoitn when the rear parking sensor sometimes does not work, is loose, or there is a rear parking sensor fault message.
- [TSB\_2074721\_3](/bulletins/11033473.md), 2026-06-04, Service bulletin: STRUCTURE:BODY. This bulletin provides information when there is noise from the backrest of the front seat.
- [TSB\_2030471\_8](/bulletins/11025323.md), 2025-11-08, Service bulletin: STRUCTURE:BODY. This bulletin provides informaiton when the license plate mouting bracket threaded inserts are stripped.

JSON: [/v1/bulletins/10177419](/v1/bulletins/10177419)

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