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Service bulletin A4821102064018_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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10201497
Published by NHTSA2021-10-05
Manufacturer's numberA4821102064018_2
Manufacturer's date2021-09-02
NHTSA componentELECTRICAL SYSTEM:SOFTWARE; STEERING

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

Electrical system, Steering, Software

Trouble codes named

C10AC

Vehicles listed
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 Q52019, 2020, 2021
AUDI Q5 PHEV2020 to 2021
AUDI Q72019, 2020, 2021
AUDI Q82019, 2020, 2021
AUDI RS 6 AVANT2021
AUDI RS 72021
AUDI RS Q82020, 2021
AUDI RS62020
AUDI RS72020
AUDI S62020, 2021
AUDI S72020, 2021
AUDI SQ52019, 2020, 2021
AUDI SQ72020, 2021
AUDI SQ82020, 2021

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

Recalls for the same vehicles and component
25V2010002025-03-31. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
A9124032056558_32024-05-06. Service bulletin. This bulletin provides software update instructions for MIB2+.
A9124702062466_42024-03-06. Service bulletin. This bulletin provides information when Apple CarPlay cannot be started using Wi-Fi connection (Wireless CarPlay).
A0023822047812_72024-01-04. Service bulletin. This bulletin provides information on how to set up and use the SD Creator for obtaining vehicle software updates via the Mirror Server.
A9123542067843_32024-01-04. Service bulletin. This bulletin provides information when the configuration appears without apparent reason with MIB3.
A9123532062264_22024-01-04. Service bulletin. This bulletin provides information for when the rear MMI control panel (SCON) shows the message "Software update could not be downloaded".
A0123962071263_42023-12-06. Service bulletin. This bulletin provides information for when the MIL is illuminated with Cylinder 1 or 6 misfires; P03000, P030100, P030600.
A0123952067767_62023-12-06. Service bulletin. This Pending Service Solution requests that technicians create a record in the Pending Service Solutions database in instances where the MIL/EPC light is illuminated with various warnings or poor performance; P060C00 is stored.
A9123432071056_22023-12-06. Service bulletin. This bulletin provides information for when Outlook contacts are not accessible via the MMI when using Apple devices with MIB3.
A9023512068380_22023-12-06. Service bulletin. This bulletin provides information for when the Audi virtual cockpit display is blank; DTC B200049, symptom code 10485833.
Dealer 24iY2023-09-01. Service bulletin. Dealer Letter to announce Repair Available – Emissions Service Action 24iY / ECM Software