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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
A6924082073566_12024-05-06. Service bulletin. AIR BAGS. This repair authorization requests that technicians contact the Technical Assistance Center in instances where the Airbag warning lamp is on, DTC B101704, B103604.
A5724342017082_12024-05-06. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information when the remote control key is inoperative.
A4324852059363_52024-05-06. Service bulletin. SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM; ELECTRICAL SYSTEM. This bulletin provides information when there is an air suspension malfunction warning in the cluster; DTC C1260F0n or U112100 is stored in the suspension control module.
A2724712067906_52024-05-06. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information for when DTC P0A7D00 is stored.
SM 21-20242024-04-05. Service bulletin. UNKNOWN OR OTHER; EQUIPMENT. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
Dealer 93R32024-04-05. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:MODULE:SOFTWARE. Audi is providing an updated 220V/240V charging unit cable and a compact/portable charging system software update for vehicles included in this service action.
Circular 93R32024-04-05. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:MODULE:SOFTWARE; ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:CABLE/CORD:ACCESSORY. Audi is providing an updated 220V/240V charging unit cable and a compact/portable charging system software update for vehicles included in this service action.
A9424732012749172024-04-05. Service bulletin. EXTERIOR LIGHTING; UNKNOWN OR OTHER. This bulletin provides information when the exterior lights have moisture accumulation.
SM 17-20242024-04-05. Service bulletin. UNKNOWN OR OTHER; EQUIPMENT. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
SM 09-20242024-04-05. Service bulletin. EQUIPMENT:ELECTRICAL; UNKNOWN OR OTHER. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
AVIN4PIN202403052024-04-05. Service bulletin. EQUIPMENT:ELECTRICAL; UNKNOWN OR OTHER; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS; STRUCTURE:BODY:DOOR. Noise from front door trim panel while driving Low coolant warning in cluster, coolant level is correct Front window inoperative Air suspension warning - DTC P089200 charge handle doesn't release vehicle will not charge Temp sensor DTC P218500 Corrosion on wheelhouse cover plate P008700 - low fuel pressure P042000: Catalyst System, Bank1 Efficiency Below
A9124892069112_52024-04-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides information on various improvements for MIB 3.
A8724702064077_42024-04-04. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REFRIGERANT HOSES AND FITTINGS. This TSB describes a method for leak detection for R134A and R1234yf refrigerant platforms only.
A4524412073483_12024-04-04. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE; SERVICE BRAKES, HYDRAULIC. This bulletin provides information when the ABS/ESC control unit cannot be reached "DTC U012100 - ABS Control module no communication" is stored.
A9424742073332_12024-04-04. Service bulletin. UNKNOWN OR OTHER; STEERING. This bulletin provides information if there is noise when steering the vehicle.
A9424722073282_12024-04-04. Service bulletin. UNKNOWN OR OTHER; EXTERIOR LIGHTING:HEADLIGHTS. This bulletin provides information on visual concerns with the headlight lens.
A8024142073370_12024-04-04. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This bulletin provides information when there is poor, uneven, or no cabin heating output.
A4024752047920_92024-04-04. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS; UNKNOWN OR OTHER. This bulletin provides information from the front end and dash panel are heard when the vehicle is moving.
A1924552061918_62024-04-04. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:FLUID/COOLANT; UNKNOWN OR OTHER. This bulletin provides information when the low coolant light is on but the coolant level is within specifications.
A1924542067941_32024-04-04. Service bulletin. UNKNOWN OR OTHER; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS. This bulletin provides information when the cooling system has a leak from the coolant valve N632.
Circ 87H9_REV12024-03-06. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS. On vehicles manufactured within a specific period, the pressure and temperature sensors in the air conditioning system may fail. If this happens, the air conditioning system will no longer function. Claiming instructions updated.
Dealer 87H9_REV12024-03-06. Service bulletin. UNKNOWN OR OTHER. On vehicles manufactured within a specific period, the pressure and temperature sensors in the air conditioning system may fail. If this happens, the air conditioning system will no longer function. Claiming instructions updated.
A9324422071352_22024-03-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides information for when there is an external sound warning message in the instrument cluster.
A9124772073135_12024-03-06. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Pending Service Solution (PSS) requests that a record be added to the PSS database in instances where the radio favorites are lost, shortcuts are greyed out on lower screen with MIB3 vehicles.
A9124762073134_12024-03-06. Service bulletin. EQUIPMENT:ELECTRICAL. This Pending Service Solution (PSS) requests that technicians create a record in the PSS database in instances where the star button function assignment is lost on the multifunction steering wheel is lost sporadically.

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