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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
A9124742069112_42024-03-06. Service bulletin. ELECTRICAL SYSTEM:ADAS:VIDEO MONITOR/SCREEN. This bulletin provides information on various improvements for MIB 3.
A9324412073062_12024-03-06. Service bulletin. UNKNOWN OR OTHER; POWER TRAIN:AXLE ASSEMBLY. This bulletin provides information when there are vibrations/ticking noise from the rear of the vehicle at <5 km/h.
A9324402072986_12024-03-06. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:MANAGEMENT SYSTEM/ENERGY CONTROL MODULE (BMS/BECM). This bulletin provides information for when the remaining range shown is too low after replacing the battery regulation control module.
A5724312063236_52024-03-06. Service bulletin. UNKNOWN OR OTHER; LATCHES/LOCKS/LINKAGES:DOORS:LOCK. This bulletin provides information when the front or rear door lock is not locking, is without function, and/or fault messages in DIS, DTC(s) B122D29, B14FF29 or B122B13.
A4524392072977_12024-03-06. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE; SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE. This bulletin provides information when the ABS/ESC Control unit cannot be reached; DTC U012100, ABS Control Module no communication is stored.
A4024742058489_82024-03-06. Service bulletin. SUSPENSION; ENGINE. This bulletin provides information when there is a squeaking noise from the front of the vehicle while driving.
A1924502067941_22024-03-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This bulletin provides information when there is a coolant system leak from coolant valve N632.
DC_EV_char_ext2024-03-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Dealer Communication: EXTENSION: EV Charging Customer Support Offer & FAQs - UPDATED
Dealer 87H92024-03-06. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. 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.
Circular 87H92024-03-06. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. 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.
Dealer 93N1_REV12024-03-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. The remaining range display is being modified on Audi e-tron vehicles manufactured within a specific period. - Repair instructions updated.
Circ 93N1_REV12024-03-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. The remaining range display is being modified on Audi e-tron vehicles manufactured within a specific period. - Repair instructions updated.
Dealer 93N6_REV12024-03-06. Service bulletin. ELECTRICAL SYSTEM. UPDATE - Software Update for Battery Modules Control Unit (NVLW) - Repair instructions updated.
Bull 93N6_REV12024-03-06. Service bulletin. ELECTRICAL SYSTEM. UPDATE - Software Update for Battery Modules Control Unit (NVLW) - Repair instructions updated.
AVIN4PIN202402142024-03-06. Service bulletin. STRUCTURE:BODY:DOOR; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; SUSPENSION; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:COOLING SYSTEM. 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
A9124622072901_12024-03-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides information when the wireless connection for the Audi Smartphone Interface drops out in specific areas.
A9124682072959_12024-03-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides information for when Apple CarPlay pops up or takes over audio without user intervention in vehicles with the Audi Smartphone Interface.
A9124662071056_32024-03-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides information for when Outlook contacts are not accessible via the MMI with Apple devices.
A9124632044694_32024-03-06. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This bulletin provides information pertaining to MMI Navigation database concerns.
A6924062072911_12024-03-06. Service bulletin. AIR BAGS. This bulletin provides information for when the airbag light is illuminated, DTCs B103613, B101713, B101813, B101904.
A4324812067531_32024-03-06. Service bulletin. SUSPENSION. This bulletin provides information when DTCs B200FF0, B200FF1, B200FF3, or B200FF4, B200FF5 are stored in the J775 suspension control unit.
A1924492061918_52024-03-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information for when the low coolant light is illuminated but the coolant level is within specifications.
A9024752064983_72024-03-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; UNKNOWN OR OTHER. This bulletin provides information for when there is a pixel error in the Audi virtual cockpit.
A9024742065960_32024-03-06. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides information for when the Audi virtual cockpit is distorted due to a broken screen.
DC_ADTOOLNOTICE22024-03-06. Service bulletin. ELECTRICAL SYSTEM. A potentially critical self-discharge condition exists in certain high-voltage battery modules that, in some instances, may lead to thermal overload, possibly resulting in smoke or a fire. A high-voltage battery overheating increases the risk of a fire. Affected high-voltage batteries may experience a loss of range and/or performance as an early indication. - UPDATED

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