2020 Audi S5 electrical system problems
14 owner complaints filed with NHTSA name the electrical system on the 2020 Audi S5 — 56% of all complaints for this model year.
What owners report
“MMI - Multi Media Interface constantly reboots about every 90 seconds. This is a safety issue since if I am backing up and the MMI reboots I lose the backup camera and when the MMI reboots I also lose collision/parking/proximity sensors. This issue started happening with my Audi on 7/26/25 and can…”
filed Aug 2, 2025
“The radio (mmi system) is rebooting while driving every 5-10 min. Dealership can't fix and is affecting safety sytems like front and rear cameras/sensors.”
filed Jul 30, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This bulletin provides general information about the current tpp issues for Audi connect.
TSB_2082976_2 · Service Bulletin/Repair Instructions · issued Aug 27, 2026This bulletin provides informaitn when there is a warning messsage; "Instrument cluster: fault. Limited warning messages. Please contact workshop"; DTC B200096.
TSB_2069331_8 · Service Bulletin/Repair Instructions · issued Aug 26, 2026This bulletin provides information when there is an issue with wireless charging/wireless charging is not working.
TSB_2064681_6 · Service Bulletin/Repair Instructions · issued Aug 21, 2026
Electrical System problems in other S5 years
| Year | Reports | Share |
|---|---|---|
| 2018 S5 | 2 | 8% |
Other reported problem areas on the 2020 Audi S5
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.