2020 Audi A4 Electrical System Problems

NHTSA component category: ELECTRICAL SYSTEM · data through 09/08/2026

91Electrical System complaints

71.7%Of all 127 complaints

#1Most-reported category

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

ELECTRICAL SYSTEM91 · 71.7%

Unspecified / other58 · 45.7%

BACK OVER PREVENTION: WARNINGS36 · 28.3%

BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING21 · 16.5%

FORWARD COLLISION AVOIDANCE: WARNINGS6 · 4.7%

Share of the 127 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: 91 of 127 complaints on file (71.7%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2020 Audi A4 have in total?

127 complaints were on file with NHTSA as of 09/08/2026. 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.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 09/08/2026.