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
| SM C-2020 | 2021-01-08. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the part numbers listed (State of California only). |
|---|---|
| A0020362002047_1 | 2020-12-21. Service bulletin. EQUIPMENT:ELECTRICAL. This information bulletin contains instructions for technicans on how to ensure their TAC call goes smoothly. |
| Dealer 66M2 | 2020-12-05. 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 66M2 | 2020-12-05. Service bulletin. EQUIPMENT; TRAILER HITCHES. Over time, an unexpected noise might be heard originating from the area around the trailer hitch. |
| A9320382060814_2 | 2020-12-04. 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_1 | 2020-12-04. 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_3 | 2020-12-04. 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_1 | 2020-12-04. Service bulletin. SUSPENSION; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains repair instructions for when there is noise from the front suspension. |
| A9620592061155_1 | 2020-12-04. Service bulletin. LANE DEPARTURE. This informational bulletin states to create a PSS as there is a sporadic failure of the intersection/lane changing assistance. |
| A9120272061257_1 | 2020-12-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains instructions regarding Audi connect software failures and how to resolve it. |
| A9120262058769_3 | 2020-12-04. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS; EQUIPMENT. This bulletin contains instructions for checking the sensors and resolving DTCs B107BF0 and B10FCF0. |
| A6020452056944_5 | 2020-12-04. Service bulletin. STRUCTURE:INTERIOR PANELS:CEILING. This bulletin contains repair instructions for when the customer sees water drip from the headliner area. |
| 21etronTECHREPRT | 2020-11-05. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM. Driver Assistance Section: ADDED: "Activate rear cross traffic assist (if equipped)" |
| A9120252059528_2 | 2020-11-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains ODIS instructions for DTC B200096 or B200000 with an SOS malfunction warning displayed in the instrument cluster. |
| A9020782061157_1 | 2020-11-05. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin states to create a PSS as the traffic -sign based speed warning threshold setting is not stored. |
| A9120242026611_7 | 2020-11-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin contains a guide for troubleshooting HD radio issues. |
| A4820912053869_4 | 2020-11-05. Service bulletin. STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER. This bulletin contains repair instructions for when DTC B145504 with symptom code 7340800. |
| A9320352060814_1 | 2020-11-05. 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_1 | 2020-11-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin explains and troubleshoots when Audi connect does not have a green SOS light. |
| A9120172055188_3 | 2020-11-05. 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_4 | 2020-11-05. Service bulletin. STRUCTURE; EQUIPMENT. This bulletin contains repair instructions for when the customer sees water drip from the headliner area. |
| A9020752060332_2 | 2020-11-05. 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_3 | 2020-11-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin directs you to read the SSP and not perform any repairs for the concern. |
| 21TIREPRSTBL930 | 2020-10-06. Service bulletin. TIRES. Addition of RS 6 Avant |
| 21TIREPRSTBL924 | 2020-10-06. Service bulletin. TIRES. Addition of A4, S4, A4 allroad, A5, S5, RS 5, A6 allroad, S6, A8 L, A8 L TFSI e, S8 L, e-tron, Q8, SQ8, RS Q8 |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.