2020 Audi A4 electrical system problems

89 owner complaints filed with NHTSA name the electrical system on the 2020 Audi A4 — 72% of all complaints for this model year.

Electrical System complaints

72%

share of all complaints

—

median reported incident mileage

0 / 0

crash / fire reports

What owners report

“MMI module keeps resetting. This causes sudden lost of navigation display and sudden lost of backup camera when reset happens while backing up. Release version: MHI3_US_AUG45S_P3243 Software version: 3243”
filed Aug 9, 2025
“Many times while driving the Audi MMI system which controls all radio/navigation/controls screen will completely shut off and reboot, leaving the screen blank and functionality gone. When researching online many others have reported the same issue, with Audi unable to provide a definitive cause or…”
filed Aug 7, 2025

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

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
This bulletin provides information when the pop-up for massage functions does not appear.
TSB_2069596_3 · Service Bulletin/Repair Instructions · issued Jul 9, 2026
This bulletin provides informaitn when there is a warning messsage; "Instrument cluster: fault. Limited warning messages. Please contact workshop"; DTC B200096.
TSB_2069331_7 · Service Bulletin/Repair Instructions · issued Jun 23, 2026