# Service bulletin A4521142061906\_1

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: 10185657
- Published by NHTSA: 2021\-02\-04
- Manufacturer's number: A4521142061906\_1
- Manufacturer's date: 2021\-01\-15
- NHTSA component: SERVICE BRAKES; PARKING BRAKE

## NHTSA's summary

Parking brake warning in instrument cluster while starting vehicle, DTC U103100 is stored in the ABS control module.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10185657-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10185657-9999.pdf)

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

## Components

Brakes, Parking brake

## Trouble codes named

U1031

## Vehicles listed

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

## Other bulletins for the same vehicles and component

- [A4521172061906\_2](/bulletins/10198482.md), 2021-07-02, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; PARKING BRAKE:ELECTRICAL; SUSPENSION. This bulletin contains a software update for DTC U103100.
- [A9121032058769\_4](/bulletins/10194378.md), 2021-06-03, Service bulletin: PARKING BRAKE; EQUIPMENT. This bulletin contains instructions for checking the sensors and resolving DTCs B107BF0 and B10FCF0.
- [A9121642024323\_7](/bulletins/10186569.md), 2021-02-04, Service bulletin: PARKING BRAKE:ELECTRICAL:CONTROL MODULE. This bulletin contains technical information regarding when the parking aid sporadically warns of obstacles that don't exist or it is inoperative/constant warning.
- [A5719582055933\_1](/bulletins/10164483.md), 2019-09-09, Service bulletin: PARKING BRAKE; PARKING BRAKE:INDICATOR LIGHT. This bulletin contains a software update for DTC B122D29.Includes 2019\-2020 e\-tron Quattro

JSON: [/v1/bulletins/10185657](/v1/bulletins/10185657)

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