10.0

really awful
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
0 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2020 Audi A6 allroad electrical problems

electrical problem

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2020 Audi A6 allroad Owner Comments

problem #6

Dec 052023

A6 allroad

  • miles

A D V E R T I S E M E N T S

While driving I received two messages to contract service first that the -??electrical system malfunction-?? and then a -??starting malfunction-?? which was fallowed by a battery light and a check engine light. I contacted my local dealer they advised I have it towed in immediately. The car was towed in and it-??s a -??starter generator-?? and is back ordered with no eta. The car is not drivable and is at the dealer for an unknown amount of time.

- Basking Ridge, NJ, USA

problem #5

Sep 192023

A6 allroad

  • miles
Dashboard error messages, "Electrical System Malfunction! Please contact service" and "Vehicle Starting System: Malfunction! Please contact service". Dealer replied that it is a starter generator. Unsafe to drive, towed to dealer service. Part has been on order for more than three weeks.

- Annandale, VA, USA

problem #4

Jun 112023

A6 allroad 6-cyl

  • miles
I have a 2020 All Road. Received message driving close to my home to contact service due to electrical malfunction and made it to my driveway. This was on a Sunday and no service center was available. Car lost its HVAC and auto stop mechanism on the way home and parked it in the driveway away to be towed. This morning able to start vehicle but received numerous warnings as above to also include low battery due to no charging and finally a message (while placing it on a flat bed tow truck) to stop immediately and not drive the vehicle. I have read about disasters with this issue in regards to innumerable complaints from new Audi owners that this occurred very quickly while driving on an interstate in which their vehicle shut down within a minute and those affected experienced total loss of steering and braking with inability to even turn on their flashers for safety purposes. This is not a benign issue as beyond the inconvenience of waiting hours to be towed, one puts their life at risk when traveling on an interstate and within seconds having such a shut down of the vehicle occur. I am glad that I did not drive the vehicle in for servicing as I'd likely be on an interstate stranded at this time or perhaps even injured or dead due to inability to control the vehicle and a shut down occurring with only a few seconds notice. I am aware that several TSBs exist for this problem likely related to a faulty alternator as part of internal combustion machines using a "mild hybrid" system. Audi should do a recall of all such vehicles affected with this technology but instead utilizes an approach of reliance upon their dealerships. I have heard of weeks to months to replace alternators / 48 V battery as such parts come from Germany. This is a SERIOUS life threatening issue that puts one at risk of losing control at high speed or getting hit from behind on an interstate due to complete failure of the vehicle and inability to control it after achieving speed.

- Truckee, CA, USA

problem #3

Mar 142023

A6 allroad

  • miles

A D V E R T I S E M E N T S

Lamp: Electrical system malfunction: safely stop vehicle. I have read that they car would have next shut down and loss of control while driving.

- Irving, TX, USA

problem #2

Jan 222023

A6 allroad

  • miles
While driving on the interstate, I received a warning about an electrical system malfunction. As I neared my home, I received warnings about transmission failure, suspension malfunction, steering malfunction, sensor failure, and more. After a tow to the dealership I was told it is a generator/alternator (?) failure and the part is on national backorder and may be 3 months or more.

- Dallas, TX, USA

problem #1

Jan 172023

A6 allroad 6-cyl

  • miles
My electrical system failed and the car died on the freeway. This is now recognized as a chronic problem- a software bug in the 48 volt mild hybrid system- with several Audi models, including this A6 Allroad. The bug apparently damages the vehicles alternator, which must then be replaced. There is a several month backorder on this part, so hundreds if not thousands Audis remain unrepaired on the lots. They are dying on roads across the USA on a daily basis.

- Houston, TX, USA

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