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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
A9123792064681_22023-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information on some situations that may affect wireless charging
AVIN4PIN202303132023-04-06. Service bulletin. STRUCTURE:BODY:DOOR. Noise from front door trim panel while driving ACC warning is displayed, DTC C110300 Sensor misadjusted in DA 0013 Noise from front door trim panel while driving Low coolant warning in cluster, coolant level is correct Check engine lamp is illuminated and DTC P05A000: Active Grille Air Shutter "A" Stuck is stored in the ECM. Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 Rear PDC mount comes loose from rear bumper Belt noise from starter generator
A9023182065960_22023-04-06. Service bulletin. BACK OVER PREVENTION:DISPLAY FUNCTION. This bulletin provides information for when the virtual cockpit is distorted due a broken screen caused by outside influence.
SM 16-20232023-04-06. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
A9023162064844_22023-04-06. Service bulletin. STRUCTURE:BODY:DOOR; BACK OVER PREVENTION:DISPLAY FUNCTION. This bulletin provides instructions for when the Audi virtual cockpit display remains blank when the driver's door is opened and the driver enters the vehicle. After the ignition is switched off and back on, the display may return to normal operation, but may also remain black.
A9023152069678_12023-04-06. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS. This bulletin provides instructions for when the acoustic and optical parking aid do not work and DTC B107A16 may be stored.
A9023142055188_52023-04-06. Service bulletin. BACK OVER PREVENTION: CAMERA SYSTEM. This bulletin provides information for when the overhead camera cannot be calibrated.
A9023132069670_12023-04-06. Service bulletin. BACK OVER PREVENTION: CAMERA SYSTEM. This bulletin provides information for when the overhead camera cannot be calibrated.
A6923872058455_62023-04-06. Service bulletin. SEAT BELTS. This bulletin provides information for when the front seat belts have become twisted.
A6423882047061_52023-04-06. Service bulletin. VISIBILITY:WINDSHIELD; STRUCTURE. This bulletin describes the process to clean sticker residue from the windshield.
A6023642063187_32023-04-06. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. This bulletin provides information for when the customer reports a wind noise, a water drip, or if the sunroof opening perimeter seal is distorted or not flush with the roof panel.
A5723032062887_32023-04-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin provides instructions for when key adaptation fails with error messages "FAZ1552E Key status not valid" and "FAZ1540E Action not successful" when performing the vehicle immobilizer adaptation test plan.
A5723022058452_42023-04-06. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This bulletin provides information for when the rear window defogger is not operational.
A4223512064019_32023-04-06. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. This bulletin provides instructions to address rumbling/rattling noises from the rear axle area while driving over irregularities in the road.
A4023512023187_72023-04-06. Service bulletin. STEERING. This bulletin states that squeaking noises which may be more prevalent in wet weather during steering is normal and repair is not needed.
A2723502067906_22023-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for when the 48V battery is in a low voltage protection state and will not accept a charge; DTC P0A7D00 is logged.
A2723482069747_12023-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for when the vehicle does not start due to a drained battery.
A9023112058077_62023-04-06. Service bulletin. SERVICE BRAKES. This bulletin provides instructions for when the customer is concerned about unexpected Audi pre sense front intervention such as an Audi pre sense front warning, front warning jolt, front partial braking, or an audi pre sense emergency braking.
A9023102059891_42023-04-06. Service bulletin. BACK OVER PREVENTION:DISPLAY FUNCTION; ELECTRICAL SYSTEM. This bulletin states that it takes about 20 seconds after switching the ignition on for the Audi Pre Sense symbol advising that "Audi pre sense not available at the moment"
A9023082065490_32023-03-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides instructions for a software update in cases when "SAFE CP" is displayed in the center of the screen of the Audi virtual cockpit, the gauges function normally, and DTC B200FF0 may be stored.
A5723012060196_42023-03-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides instructions for when the central locking and/or door open warning is displayed in the instrument cluster.
A1923352060425_42023-03-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides instructions for when the battery charging is slow, and after 30 minutes or more of charging the estimated charging time is excessively long; DTC P31C500 may be stored.
A9623822056019_22023-03-06. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE. This bulletin provides instructions for when the anti-theft alarm has gone off for no reason, or did not go off at all. No DTCs are stored.
A9123742069112_22023-03-06. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; EQUIPMENT:ELECTRICAL. This bulletin provides information on a software update for when saved addresses, favorites, last destinations, HVAC favorite button assignment, and/or icon and shortcut order are lost sporadically; In rare cases the screen may turn completely blue until a bus sleep or an MMI reboot is performed. For Q3 vehicles, MMI may get stuck on the welcome screen. No DTCs are stored.
A9123732069112_12023-03-06. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; EQUIPMENT:ELECTRICAL. This bulletin provides information on a software update for when saved addresses, favorites, last destinations, HVAC favorite button assignment, and/or icon and shortcut order are lost sporadically; In rare cases the screen may turn completely blue until a bus sleep or an MMI reboot is performed. For Q3 vehicles, MMI may get stuck on the welcome screen. No DTCs are stored.

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