2020 Audi A4 Electrical System Problems
NHTSA component category: ELECTRICAL SYSTEM · data through 07/12/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How electrical system ranks on this vehicle
Share of the 124 complaints citing each category; one complaint can cite several. Full breakdown on the 2020 Audi A4 overview page.
What owners report
“MMI system is restarting on a near constant basis, both while parked and driving. Aside from being inconvenient, as you can not use media/navigation/etc while…”NHTSA complaint 11673851 — filed 07/16/2025
“Audi A4 2020 B9 model MMI "info-system" constantly restarts itself during the drive, regardless of it being connected via Apple CarPlay, Bluetooth, or radio. MMI…”NHTSA complaint 11673806 — filed 07/15/2025
“Audi MMI (screen) keep rebooting. I can't use my backup camera. This issue also block the back collision sensor”NHTSA complaint 11673795 — filed 07/15/2025
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2020 Audi A4 have electrical system problems?
Electrical System is the most-reported problem area on the 2020 Audi A4: 89 of 124 complaints on file (71.8%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2020 Audi A4 have in total?
124 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 1 involved a crash, 0 involved a fire, 0 reported injuries, and none reported deaths.
What does NHTSA's electrical system category include?
NHTSA assigns each complaint to standard component categories; this page reports the ELECTRICAL SYSTEM category exactly as NHTSA defines and records it.
