# 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.

- Type: Service bulletin
- NHTSA id: 10199370
- Published by NHTSA: 2021\-08\-04
- Manufacturer's number: A4821072064018\_1
- Manufacturer's date: 2021\-07\-15
- NHTSA component: STEERING; 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10199370-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10199370-9999.pdf)

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

## Components

Equipment and accessories, Steering, Steering column and wheel

## Trouble codes named

C10AC

## Vehicles listed

- 2019 to 2021 AUDI A5
- 2019 to 2021 AUDI A5 CABRIOLET
- 2019 to 2021 AUDI A6
- 2020 to 2021 AUDI A6 ALLROAD
- 2019 to 2021 AUDI A7
- 2021 AUDI A7 E
- 2019 to 2020 AUDI A8
- 2021 AUDI A8
- 2020 AUDI E\-TRON
- 2021 AUDI E\-TRON
- 2019 to 2021 AUDI Q7
- 2019 to 2021 AUDI Q8
- 2019 AUDI RS 5
- 2021 AUDI RS 5
- 2021 AUDI RS 6 AVANT
- 2021 AUDI RS 7
- 2020 to 2021 AUDI RS Q8
- 2020 AUDI RS6
- 2020 AUDI RS7
- 2019 to 2021 AUDI S5
- 2019 to 2021 AUDI S5 CABRIOLET
- 2020 to 2021 AUDI S6
- 2020 to 2021 AUDI S7
- 2020 to 2021 AUDI SQ7
- 2020 to 2021 AUDI SQ8

## Other bulletins for the same vehicles and component

- [A4823412028220\_1](/bulletins/10238233.md), 2023-07-10, Service bulletin: STEERING: STEERING WHEEL/HANDLE BAR. This bulletin provides information for instances where the steering wheel leather is damaged.
- [A4822252064535\_2](/bulletins/10210566.md), 2022-05-05, Service bulletin: STEERING:COLUMN. This bulletin provides repair instructions to address a clicking noise in the steering column which may arise in some circumstances.
- [A4421832056386\_6](/bulletins/10200439.md), 2021-09-02, Service bulletin: STEERING: STEERING WHEEL/HANDLE BAR; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked.
- [A3921432059057\_4](/bulletins/10199368.md), 2021-08-04, Service bulletin: STEERING: STEERING WHEEL/HANDLE BAR; STEERING. This bulletin contains repair instructions for noises when in reverse or vibrations/humming/droning or rubbing when fully turning the wheel.
- [A4420732056386\_3](/bulletins/10171810.md), 2020-03-05, Service bulletin: STEERING: STEERING WHEEL/HANDLE BAR. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked.
- [A4820842056066\_2](/bulletins/10170801.md), 2020-02-08, Service bulletin: STEERING:COLUMN. This bulletins contains instructions for DTC B14BF01.
- [A4819812056066\_1](/bulletins/10165364.md), 2019-10-02, Service bulletin: STEERING:COLUMN; STEERING. This bulletins contains instructions for DTC B14BF01.
- [A4819802055733\_1](/bulletins/10163428.md), 2019-08-07, Service bulletin: STEERING; STEERING:COLUMN. This bulletin contains repair instructions for repositioning the intermediate steering shaft when there is squeaking noises from the steering column.
- [A4819792028220\_8](/bulletins/10163120.md), 2019-08-07, Service bulletin: EQUIPMENT; STEERING: STEERING WHEEL/HANDLE BAR. 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

JSON: [/v1/bulletins/10199370](/v1/bulletins/10199370)

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