2021 Audi Q8 electrical system problems
13 owner complaints filed with NHTSA name the electrical system on the 2021 Audi Q8 — 46% of all complaints for this model year.
What owners report
“Belt Starter Generator failure rendered car undrivable -- power steering failed while in motion. Issue is subject to Class Action Settlement in USDistrict Court, Case # 3:23-cv-02291-RK-RLS. But this should have been a recall because of danger of Injury or Death. A recall would provide notice that…”
filed Mar 30, 2026
“Purchased my car used from Volkswagen of west islip. After a few months I was doing regular maintenance when I noticed that the brake sensor was missing and the harness was tampered with. The brake wear sensor was removed from the front driver side and a small price of wire/ conductive material was…”
filed Jul 9, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Due to a software error, the instrument panel display may failCampaign 25V201000 · Mar 31, 2025
Related service bulletins
This bulletin provides informatoinw hent here are scratches or a coating on the cover of the instrument cluster, or particles inside of the housing.
TSB_2073747_4 · Service Bulletin/Repair Instructions · issued Jul 9, 2026
Electrical System problems in other Q8 years
| Year | Reports | Share |
|---|---|---|
| 2024 Q8 | 9 | 45% |
| 2020 Q8 | 5 | 19% |
| 2019 Q8 | 43 | 40% |
Other reported problem areas on the 2021 Audi Q8
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.