2021 Audi E-Tron Sportback Electrical system Problems
- Complaints
- 5about this part
- Share
- 100%of 5 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the electrical system of the 2021 Audi E-Tron Sportback, 100% of the 5 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“- Vehicle was brought in operable condition to Audi service center for NHTSA recall numbers 25V900 and 26V240 on 06/18/26. - On 06/19/26, the Audi service center informed me after completing the 90TV software update (25V900) that every single light is on, on the dash and that they have to do a battery evaluation. - On 06/23/26, the Audi service center informed me a TAC ticket was created and they were waiting for a response. …”
NHTSA complaint #11765027, filed 2026-09“While driving my 2021 Audi e-tron Sportback Prestige, the high-voltage battery warning light illuminated on the dashboard. At the same time, regenerative braking stopped functioning, resulting in reduced energy recovery and a noticeable decrease in driving range. Before taking the vehicle to an Audi dealership, I had the diagnostic trouble codes read by an independent repair shop. The technician advised me to take the vehicle to Audi because the diagnostic information reportedly indicated a potential high-voltage battery thermal runaway condition. …”
NHTSA complaint #11746695, filed 2026-06“This is in regards to Safety Recall Code: 93U8. Audi USA has failed to provided an updated 220V/240V charging unit cable and a compact/portable charging system software update for my vehicle in the 230 days since the product recall.”
NHTSA complaint #11606425, filed 2024-08“The contact owns a 2021 Audi E-Tron Sportback. The contact received notification of NHTSA Campaign Number: 23V867000 (ELECTRICAL SYSTEM); however, the part to do the recall repair was unavailable. The local dealer was contacted, and it was confirmed that the part was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. The VIN was not available.”
NHTSA complaint #11639076, filed 2025-01Related service bulletins
- 11038038Sep 24, 2026This bulletin provides information when there are various warning messages in the instrument cluster; electric motor leaking. P0AA600
- 11038127Sep 23, 2026This bulletin provides information when there is a warning message in the instrument cluster about external sound.
- 11038046Sep 23, 2026This bulletin provides information regarding driver assist systems; Audi adaptive light, Audi pre sense system fault, adaptive cruise assist inop (DTC C12D5FA).
- 11038030Sep 23, 2026This bulletin provides information when DTC C12BFF0 is stored in the lane change modeul or the radar sensor; intersection assist/lane change assist are inoperable.
- 11038032Sep 18, 2026This bulletin provides information when the rear parking sensor sometimes does not work, rear parking sensor loose, rear parking sensor fault message.
- 11038040Sep 15, 2026This bulletin provides general information about SOS Emergency Assist.
- 11038029Sep 15, 2026This bulletin provides information when there is an Audi pressense warning, warning jolt, and/or brake engagement.
- 11038028Sep 15, 2026This bulletin provides information when there is an Audi adaptive light system malfunction; DTC C12B3FA is stored in the control module for driver assistance systems.
- 11038061Sep 2, 2026This bulletin provides information regarding fault finding and repair information for electric tailgate.
- 11036973Aug 27, 2026This bulletin provides general information about the current tpp issues for Audi connect.
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2022 | 10 | 71% |
| 2021 | 5 | 100% |
Other parts of the 2021 Audi E-Tron Sportback
← All problems reported for the 2021 Audi E-Tron Sportback
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology