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Service bulletin A9121032058769_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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10194378
Published by NHTSA2021-06-03
Manufacturer's numberA9121032058769_4
Manufacturer's date2021-05-18
NHTSA componentPARKING BRAKE; EQUIPMENT

NHTSA's summary

This bulletin contains instructions for checking the sensors and resolving DTCs B107BF0 and B10FCF0.

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

Brakes, Equipment and accessories, Parking brake

Trouble codes named

B107B, B10FC

Vehicles listed
AUDI A62019, 2020, 2021, 2022, 2023
AUDI A72019, 2020, 2021, 2022, 2023
AUDI A82019, 2020
AUDI A82021 to 2023
AUDI E-TRON2019
AUDI E-TRON2020
AUDI E-TRON2021, 2022, 2023
AUDI Q72019, 2020, 2021, 2022, 2023
AUDI Q82019, 2020, 2021, 2022, 2023

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
A5723062055932_92023-06-06. Service bulletin. This bulletin provides information for when the central locking/parking brake warning, or alarm sounds, or if there are exterior mirror issues. DTCs B122D29, U122800, and/or B14FF29 may be stored.
A3522422064312_32022-02-04. Service bulletin. This repair bulletin describes the process to address a DTC stored in the transmission control module
A4521172061906_22021-07-02. Service bulletin. This bulletin contains a software update for DTC U103100.
A5721782055932_82021-07-02. Service bulletin. This bulletin contains a software update for DTC B122D29 or U122800 or to follow the Campaign.
A9121642024323_72021-02-04. Service bulletin. This bulletin contains technical information regarding when the parking aid sporadically warns of obstacles that don't exist or it is inoperative/constant warning.
A4521142061906_12021-02-04. Service bulletin. Parking brake warning in instrument cluster while starting vehicle, DTC U103100 is stored in the ABS control module.
A9120282057357_32020-12-04. Service bulletin. This bulletin contains instructions for when the rear parking aid does not work and there are various faults stored.
A5719622055932_42020-01-08. Service bulletin. This bulletin contains a software update for DTC B122D29 or U122800 and a potential part replacement.
A9719692057768_22020-01-08. Service bulletin. This bulletin contains repair instruction for parking brake malfunction, MMI is off or the screen is black with DTC C100C01, U105400, U10B800, U10E200, and/or U10CA00.
A9719682057768_12019-12-07. Service bulletin. This bulletin contains repair instruction for parking brake malfunction, MMI is off or the screen is black with DTC C100C01, U105400, U10B800, U10E200, and/or U10CA00.