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Service bulletins for the 2021 Audi e-tron

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.

1220 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
SM 47-20222022-07-01. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
A9122032061028_42022-07-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin describes the registering and pairing process required to utilize the SIM card to activate 3rd generation Audi connect services.
A5722912063236_32022-07-01. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LOCK; UNKNOWN OR OTHER. This bulletin contains diagnosis information for when the front and/or rear doors cannot be opened and there may be various DTCs associated.
A4822332064018_62022-07-01. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update to address a red steering warning light with DTC C10AC07 stored.
A4622332051095_72022-07-01. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin contains instructions on how to download and use the Audi Frequency App.
A4622322034181212022-07-01. Service bulletin. SERVICE BRAKES. This technical service bulletin provides troubleshooting for brake noise.
A4522272061908_82022-07-01. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains a software update that addresses a yellow warning lamp and several warning messages in the instrument cluster.
A4322622059363_32022-07-01. Service bulletin. SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. This bulletin contains repair instructions for DTC C1260F0 and U112100 with an air suspension malfunction warning.
A4322602058686_32022-07-01. Service bulletin. SUSPENSION; ELECTRICAL SYSTEM. This bulletin contains instructions for when DTC U12B800 or P000000 is stored in the suspension control module.
A4222492064019_22022-07-01. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER. This bulletin contains repair instructions for addressing a noise from the rear axle without DTCs.
A0022562066297_12022-07-01. Service bulletin. EQUIPMENT. This bulletin describes a reporting program for Audi certified technicians.
DC_93K82022-06-07. Service bulletin. ELECTRICAL SYSTEM. Portable Charging Unit Default Setting and Cable
A4522262067132_12022-06-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin contains instructions for when the message "Audi pre sense currently restricted. See owner's manual" is displayed in the instrument cluster without DTCs.
DCMobileService2022-06-07. Service bulletin. ELECTRICAL SYSTEM. Mobile Service Opportunity – Battery Module Control Unit Software 93N6 + other campaigns
A9322722059257_22022-06-07. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides instructions for adjusting the charge rate and for what reasons that may be necessary.
A9122982063502_52022-06-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update that addresses DTC B200FF9 with various driver assist malfunction messages.
A8722272041717_82022-06-07. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This informational bulletin details on how to get a GFF test plan for A/C compressor replacements.
A9022602061489_42022-06-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin states to create a PSS record if the driver assistance systems are sporadically not working.
A6022592065731_22022-06-07. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. This bulletin describes how to modify the sunroof frame if the sunroof glass panel or sunroof frame require replacement, as replacement components have been updated.
A4422922022563212022-06-07. Service bulletin. STEERING. This bulletin provides information regarding vibrations or movement that are felt in the wheel.
Dealer 93N62022-05-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Software Update for Battery Modules Control Unit
Bulletin 93N62022-05-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Software Update for Battery Modules Control Unit
A4022392066882_12022-05-05. Service bulletin. POWER TRAIN:DRIVELINE. This bulletin advises to replace the drive link shaft which may produce rumbling, squeaking or similar noises from the front end under certain conditions.
A9622772059201_52022-05-05. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains information for when the messages appear in the instrument cluster about the high beam assist and/or traffic sign detection with DTC C12B3FD.
A9122952055188_42022-05-05. Service bulletin. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA. This bulletin contains repair instructions for when one of the following DTCs is logged B127C04, B127D04, B127E04, B127F04, and B200FFA with a fogged overhead camera.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.