Check a vehicle VIN check Latest recalls Latest complaints Common problems Rankings Compare vehicles Recall roundups All makes Guides Share your experience
Theme

Electrical system

2021 Audi A8L Electrical problems

Owners have filed 2 complaints about the 2021 Audi A8L's electrical system with NHTSA - 40% of all its complaints, most recently on April 2, 2026. Dead batteries, warning lights, wiring, alternators, infotainment and electronic module failures.

Complaints
2
Recalls
0
Crashes
0
Fires
0
Injuries
0
Deaths
0

Electrical complaints

Electrical system

See attached document for complaint. I took my 2021 AUDI A8 to Audi Rockville located at 1125 Rockville Pike; Rockville, MD 20852 on July 18 to fix the recall. After waiting for 2 hours at the dealership, they told me they must go to BestBuy to buy a USB stick and asked if we could re-schedule which we did. I then came back on September 30, and again after 2 hours of waiting, they told me the USB port in the car is not working and that I must pay over $1000 to replace the USB Port so that they can perform the...

Read the full complaint

recall. As such we could not get the update done. I followed up with Audi North America Headquarters in Michigan, and they basically told me the same thing that the dealer told me. This issue is very disappointing for two reasons: 1) How can a $100,000+ car be updated using a USB. I have never used the USB port until this Recall. 2) If Audi has no other way to take care of the recall, then Audi should take responsibility for replacing the USB port. The dealership said the USB Port is not part of the recall and it is not under warranty. I am driving a car that is under NHTSA recall violation and Audi should take responsibility for updating the software either by replacing the USB port or perhaps through Wi-Fi. Can NHTSA file a complaint with Audi North America?

Filed Incident Electrical systemNHTSA 11728863
Transmission & drivetrainElectrical systemEngine & cooling

Total electrical shutdown over about 2 minutes. Stranded on road. All electrical systems failed rapidly. Strongly suspect this is part of known BSG/alternator issues with this model.

Filed Incident Power train · Electrical system · EngineNHTSA 11581253

Audi A8L electrical complaints by year

A8L electrical problems, every year

Had a electrical problem with your 2021 A8L? Tell other owners.

Your experience goes live straight away and helps every owner and buyer who checks this vehicle. Anonymous, free, no account.

Overall, how would you rate it? *

0/4000 · Please leave out names, phone numbers and your full VIN.

By posting you confirm it's your own, honest experience and agree to the rules. Safety defect? Also report it to NHTSA - that's how recalls start.

Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data

Owners helping owners

Know before you drive.

Every experience you share - good or bad - shows on that vehicle's page and helps the next owner and buyer. Two minutes, anonymous.

Share your experience