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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

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
A9621742063336_22021-12-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; LANE DEPARTURE: LANE KEEP: AUTOMATIC STEERING. This bulletin contains a software update that address when intersection assist/ lane assist are inop with DTC C12BFF0.
A9021272064844_12021-12-07. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT. This bulletin contains repair instructions for when the Audi virtual cockpit does not start-up with no DTCs.
A9121512058769_52021-12-07. Service bulletin. ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS. This bulletin contains instructions for checking the sensors and resolving DTCs B107BF0 and B10FCF0.
A9121502062115_72021-12-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains instructions for when the nav files are corrupted during an update.
A9121472061625_32021-12-07. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin states to create a PSS record when the message "SOS - Emergency call malfunction, please contact service" is displayed in the instrument cluster and DTCs B129B11 and B239C11 are stored in the control module for emergency call module and communication unit.
A9021212060332_42021-12-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for creating a PSS record when DTC C12D5FA is stored and the driver assist systems are inoperable and a warning message is displayed.
A9021192061689_22021-12-07. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE. This bulletin states to create a PSS record when the acoustical and optical parking aid are unavailable with DTC B107A16 stored.
A9121432063502_32021-11-05. Service bulletin. ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:SOFTWARE; UNKNOWN OR OTHER. This bulletin contains a software update that addresses DTC B200FF9 with various driver assist malfunction messages.
A9021152064692_12021-11-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains a workaround for DTC U131C00 and the HUD not turning on with "The selected system is currently unavailable" message and 12V battery might be drained periodically.
Dealer 93L92021-10-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. The high-performance charging procedure at public charging stations may sporadically be terminated. In addition to this, the charging flap can sometimes not be opened and/or the connector catch of the charging cable cannot be released.
Circular 93L92021-10-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. The high-performance charging procedure at public charging stations may sporadically be terminated. In addition to this, the charging flap can sometimes not be opened and/or the connector catch of the charging cable cannot be released.
SM 74-20212021-10-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
A5521602064476_22021-10-05. Service bulletin. ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES; EQUIPMENT. This bulletin states to replace the rear lid closing assist motor when DTC B113E29, B12E015, and/or B113E07 are present with one of the conditions.
A4521212064586_12021-10-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin states to clear DTC P060700 when the vehicle is started, a red warning lamp and the ABS/ESC warning lamps light up briefly.
A1921232064025_22021-10-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains repair instruction for when the HV battery charges slowly.
A9121312061028_32021-10-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin explains and troubleshoots when Audi connect does not have a green SOS light.
A4821102064018_22021-10-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; STEERING. This bulletin contains a software update to address a red steering warning light with DTC C10AC07 stored.
A0021522064248_12021-10-05. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin states that while using the diagnostic tester the traction, brake and ABS lights may start flashing simultaneously. This is normal.
A4521202061908_22021-09-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; SUSPENSION; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin contains a software update that addresses a yellow warning lamp and several warning messages in the instrument cluster.
A9121172062266_22021-09-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin states to create a PSS record when last destinations, favorites, and home/work addresses are sporadically lost.
A9121162061257_22021-09-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains instructions regarding Audi connect software failures and how to resolve it.
A9121152063502_12021-08-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. This bulletin contains a software update that addresses DTC B200FF9 with various driver assist malfunction messages.
A9421422063973_12021-08-04. Service bulletin. EXTERIOR LIGHTING:TAIL LIGHTS; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for a tail light warning with DTCs B16D431, B16D531, B16D631, and/or B16D731.
A9121142053916_32021-08-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. This informational bulletin contains instructions for when a non-plus sized iPhone heats up while wirelessly charging and the CarPlay screen may appear frozen.
A9121122059528_32021-08-04. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin contains ODIS instructions for DTC B200096 or B200000 with an SOS malfunction warning displayed in the instrument cluster.

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