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Service bulletin A4821072064018_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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10199370
Published by NHTSA2021-08-04
Manufacturer's numberA4821072064018_1
Manufacturer's date2021-07-15
NHTSA componentSTEERING; EQUIPMENT; STEERING: STEERING WHEEL/HANDLE BAR

NHTSA's summary

This bulletin contains a software update to address a red steering warning light with DTC C10AC07 stored.

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

Equipment and accessories, Steering, Steering column and wheel

Trouble codes named

C10AC

Vehicles listed
AUDI A52019, 2020, 2021
AUDI A5 CABRIOLET2019 to 2021
AUDI A62019, 2020, 2021
AUDI A6 ALLROAD2020, 2021
AUDI A72019, 2020, 2021
AUDI A7 E2021
AUDI A82019, 2020
AUDI A82021
AUDI E-TRON2020
AUDI E-TRON2021
AUDI Q72019, 2020, 2021
AUDI Q82019, 2020, 2021
AUDI RS 52019
AUDI RS 52021
AUDI RS 6 AVANT2021
AUDI RS 72021
AUDI RS Q82020, 2021
AUDI RS62020
AUDI RS72020
AUDI S52019, 2020, 2021
AUDI S5 CABRIOLET2019 to 2021
AUDI S62020, 2021
AUDI S72020, 2021
AUDI SQ72020, 2021
AUDI SQ82020, 2021

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
A4823412028220_12023-07-10. Service bulletin. This bulletin provides information for instances where the steering wheel leather is damaged.
A4822252064535_22022-05-05. Service bulletin. This bulletin provides repair instructions to address a clicking noise in the steering column which may arise in some circumstances.
A4421832056386_62021-09-02. Service bulletin. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked.
A3921432059057_42021-08-04. Service bulletin. This bulletin contains repair instructions for noises when in reverse or vibrations/humming/droning or rubbing when fully turning the wheel.
A4420732056386_32020-03-05. Service bulletin. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked.
A4820842056066_22020-02-08. Service bulletin. This bulletins contains instructions for DTC B14BF01.
A4819812056066_12019-10-02. Service bulletin. This bulletins contains instructions for DTC B14BF01.
A4819802055733_12019-08-07. Service bulletin. This bulletin contains repair instructions for repositioning the intermediate steering shaft when there is squeaking noises from the steering column.
A4819792028220_82019-08-07. Service bulletin. This technical service bulletin informs the reader that damage to the appearance of the leather steering wheel caused by outside influence is not covered under warranty. 2008-2020 A3, 2015-2020 A3 Cabrio, 2005-2016 A3 Sportback, 2005-2020 A4, 2010-2020 A4 allroad, 2005-2012 A4 Avant, 2005-2009 A4 Cabrio, 2010-2020 A5 Cabrio, 2008-2020 A5 Coupe, 2018-2020 A5 Sportback, 2005-2020 A6, 2005-2011 A6 Avant, 2008-2020 A7, 2005-2020 A8, 2008-2019 e-tron, 2019-2020 e-tron quattro, 2015-2020 Q3, 2009-2020 Q5, 2007-2020 Q7, 2019-2020 Q8, 2008-2020 R8 Coupe, 2011-2020 R8 Spyder, 2017-2019 RS3, 2007-2008 RS4, 2008 RS4 Cabrio, 2010-2020 RS5, 2010-2020 RS5 Cabrio, 2016-2018 RS6, 2016-2018 RS7, 2004-2012 S4, 2004-2009 S4 Cabrio, 2010-2020 S5 Cabrio, 2008-2020 S5 Coupe, 2018-2020 S5 Sportback, 2007-2020 S6, 2008-2020 S7, 2007-2009 S8, 2018-2020 SQ5, 2004-2020 TT Coupe, 2004-2020 TT Roadster, 2012 TT/RS Coupe