# Service bulletin A4620172056700\_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: 10174955
- Published by NHTSA: 2020\-06\-04
- Manufacturer's number: A4620172056700\_2
- Manufacturer's date: 2020\-05\-06
- NHTSA component: SERVICE BRAKES

## NHTSA's summary

This bulletin contains repair instructions for when the customer hears squealing at specific frequencies.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10174955-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10174955-9999.pdf)

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

## Components

Brakes

## Vehicles listed

- 2019 AUDI E\-TRON

## Recalls for the same vehicles and component

- [2026187](/recalls/tc/2026187.md), 2026-04-15: Brakes
- [2024670](/recalls/tc/2024670.md), 2024-11-04: Brakes
- [2024484](/recalls/tc/2024484.md), 2024-08-19: Brakes
- [24V621000](/recalls/nhtsa/24V621000.md), 2024-08-19: SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES

## Other bulletins for the same vehicles and component

- [TSB\_2069904\_2](/bulletins/11025369.md), 2025-11-08, Service bulletin: SERVICE BRAKES. This bulletin provides information for all models regarding brake sounds.
- [TSB\_2075120\_2](/bulletins/11025342.md), 2025-11-08, Service bulletin: SERVICE BRAKES. This bulletin provides information regarding the general approach for all Audi vehicles regarding brake vibrations.
- [TSB\_2072304\_3](/bulletins/11025336.md), 2025-11-08, Service bulletin: SERVICE BRAKES. This bulletin provides information when there is an ABS/ESC speed sensor implausible signal.
- [TSB\_2069078\_3](/bulletins/11025333.md), 2025-11-08, Service bulletin: SERVICE BRAKES. This bulletin provides information on the zirconium insercts in the brake piston \(ceramic brakes only\).
- [TSB\_2067132\_3](/bulletins/11025330.md), 2025-11-08, Service bulletin: SERVICE BRAKES. This bulletin provides information when there is corrosion on the friction survace of steel brake discs.
- [A4624592069078\_2](/bulletins/11009356.md), 2024-10-28, Service bulletin: SERVICE BRAKES. This bulletin provides informaion regarding zirconium inserts in the bake piston for vehicle equipped with ceramic brakes.
- [A4524512061908\_5](/bulletins/11009353.md), 2024-10-28, Service bulletin: SERVICE BRAKES. This bulletin provides information when there are warning messages in instrument cluster, DTC P060C00 or DTC C051F00 are stored in the electric drive or ABS modules.
- [A4524492075120\_1](/bulletins/11009351.md), 2024-10-28, Service bulletin: SERVICE BRAKES. This bulletin provides information regarding the general approach to brakes rubbing.
- [A4524452072977\_3](/bulletins/11005891.md), 2024-08-06, Service bulletin: SERVICE BRAKES. This bulletin provide sinformation when the ABS/ESC Control unit cannot be reached; DTC U012100 "ABS Control Module no communication."
- [A4524412073483\_1](/bulletins/10252469.md), 2024-04-04, Service bulletin: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE; SERVICE BRAKES, HYDRAULIC. This bulletin provides information when the ABS/ESC control unit cannot be reached "DTC U012100 \- ABS Control module no communication" is stored.

JSON: [/v1/bulletins/10174955](/v1/bulletins/10174955)

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