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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: Equipment and accessories are shown. Show all

Bulletins, newest first
A9020832061689_12021-01-08. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin states to create a PSS record when the acoustical and optical parking aid are unavailable with DTC B107A16 stored.
A6820272061594_12021-01-08. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT. This bulletin contains instructions for addressing center console and dashboard noises.
A9120532053997_32021-01-08. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains a software update for larger amount of washer fluid used.
A9120542053776_72021-01-08. Service bulletin. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains a software update and test plan for DTCs C12EBF1 or C12EB92.
A5320042043016_22021-01-08. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM: CABLES; EQUIPMENT. This bulletin contains repair instructions for when cables are hanging in view with no DTCs.
A5520512014055_82021-01-08. Service bulletin. EQUIPMENT; ENGINE; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains instructions for addressing discoloration due to moisture on a new vehicle.
A0020432061669_12021-01-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin contains instructions for Audi connect before performing any MMI work.
21etronCSTDLVRY2021-01-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Infotainment Section: ADDED: Check radio settings and ensure 'Online additional data' is toggled on and 'online station tracking' is set to Automatic
SM C-20202021-01-08. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the part numbers listed (State of California only).
A0020362002047_12020-12-21. Service bulletin. EQUIPMENT:ELECTRICAL. This information bulletin contains instructions for technicans on how to ensure their TAC call goes smoothly.
Dealer 66M22020-12-05. Service bulletin. EQUIPMENT; TRAILER HITCHES; TRAILER HITCHES:FIFTH WHEEL ASSEMBLY. Over time, an unexpected noise might be heard originating from the area around the trailer hitch.
Circular 66M22020-12-05. Service bulletin. EQUIPMENT; TRAILER HITCHES. Over time, an unexpected noise might be heard originating from the area around the trailer hitch.
A9320382060814_22020-12-04. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This bulletin contains repair instructions for when the range in the cluster is shown to be significantly less than the expected range.
A9020802061489_12020-12-04. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:ADAS:CONTROL MODULE. This bulletin states to create a PSS record if the driver assistance systems are sporadically not working.
A6920592058923_32020-12-04. Service bulletin. EQUIPMENT; AIR BAGS:FRONTAL; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains instructions for when there are noises coming from the driver's airbag.
A4020172061463_12020-12-04. Service bulletin. SUSPENSION; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains repair instructions for when there is noise from the front suspension.
A9120262058769_32020-12-04. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS; EQUIPMENT. This bulletin contains instructions for checking the sensors and resolving DTCs B107BF0 and B10FCF0.
A9120242026611_72020-11-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin contains a guide for troubleshooting HD radio issues.
A9320352060814_12020-11-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin contains repair instructions for when the range in the cluster is shown to be significantly less than the expected range.
A9120202061028_12020-11-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin explains and troubleshoots when Audi connect does not have a green SOS light.
A9120172055188_32020-11-05. Service bulletin. ELECTRICAL SYSTEM:ADAS:HUD:CAMERA/SENSOR; EQUIPMENT. 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.
A6020442056944_42020-11-05. Service bulletin. STRUCTURE; EQUIPMENT. This bulletin contains repair instructions for when the customer sees water drip from the headliner area.
A9020752060332_22020-11-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. 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.
A9020732059891_32020-11-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin directs you to read the SSP and not perform any repairs for the concern.
SM 56-20202020-10-06. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the part numbers listed if they meet the criteria.

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