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2020 Audi A4 allroad problems, recalls and owner complaints
What the 2020 Audi A4 allroad has been recalled for, how often it fails the UK MOT and what owners report, from official government data. Updated October 25, 2026.
- 1safety recall
- 158owner complaints
- 1crash report
- 0fire reports
- 4%fail the UK MOT
The most complained-about Audi A4 allroad year on file: 158 complaints, against an average of 4 for the other 5 model years.
Every Audi A4 allroad model year with its number of owner complaints. Pick a year to compare.
What goes wrong with the 2020 Audi A4 allroad?
The components named most often in the 158 owner complaints. One complaint can name several, so the shares can add up to more than 100%.
What symptoms do 2020 Audi A4 allroad owners describe?
Found by reading the text of all 158 owner complaints. Tap a symptom for the answer, a real owner quote and any related recall.
Has the 2020 Audi A4 allroad been recalled?
1 U.S. safety recall. Repairs are free at a franchised dealer; some are done over the air.
Tires Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2021 Audi A5 Sportback, RS5 Coupe, RS5 Sportback, S5 Sportback, 2020-2021 A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A6 Allroad, A6 Sedan, A7, A8, Q5, S4 Sedan, S5 Coupe, S5 Cabriolet, S6 Sedan, S7, S8, SQ5, 2021 Q5 Sportback, Q7, Q8, RS6 Avant, RS7, RSQ8, SQ5 Sportback, SQ7, and SQ8 vehicles. The rear axle alignment may not have been inspected after the repairs for Recall 21V-295 (42L1) were performed.
Risk: Rear axle misalignment may cause premature or uneven tire wear, increasing the risk of a crash.
Fix: Dealers will inspect the rear axle, adjust the alignment as necessary, and replace any prematurely or unevenly worn tires, free of charge. Owner notification letters were mailed March 3, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 42L5.
How often does the 2020 Audi A4 allroad fail its MOT?
Why they failed: the share of failed tests with at least one fault in each area (a test can fail on several). Cars first registered in 2020, tested in Great Britain in 2023; first registration is usually, but not always, the model year. Source: DVSA anonymised MOT tests and results, Open Government Licence v3.0.
What do 2020 Audi A4 allroad owners report?
12 of the 158 complaints, the most recent for the most-reported components, as the owners wrote them. NHTSA removes names and VINs; long reports are trimmed. CarHooq has not verified individual claims.
My 2020 Audi A4 has an open safety recall campaign. Audi Corporate and my local dealership are formally refusing to perform the recall remedy unless I pay over $2,000 out-of-pocket to replace a broken J949 SOS Telematics Module. The manufacturer claims the module is separate from the recall, but its total failure physically blocks their diagnostic tools from applying the mandatory safety update. Conditioning a federal safety recall on a customer-paid repair violates recall compliance regulations, and has left my automatic emergency crash reporting and vehicle communication systems completely…
The contact owns a 2020 Audi A4. The contact stated that while driving at an undisclosed speed, the message SOS module no longer connected was displayed on the instrument panel, and the vehicle failed to shut off. The contact believed that the failure was a safety issue due to the loss of communication, including the hands-free features, mobile phone connectivity, and the regular safety features failing to operate as needed. The vehicle was taken to a dealer to be diagnosed, and it was determined that the communication module failure was the same as the SOS module failure. The vehicle was not…
The contact owns a 2020 Audi A4. The contact stated that the emergency-call/communication system was inoperable. The vehicle was taken to the local dealer to be repaired under TSB: 91-20-29; however, the software update was unsuccessful due to the module. The dealer informed the contact that the module needed to be replaced. The vehicle was not repaired. The contact had not experienced a failure prior to the vehicle being taken to the dealer. The manufacturer was contacted, but no assistance was provided. The failure mileage was approximately 26,000. The VIN was not available.
Since I purchase my vehicle I have had to continuously replace my tires on the front. Going through my carfax acct I came across some recalls that showed up that I had no idea of the car may had which was prior to purchase from the dealers. I would think that these issues were fixed prior to reselling. I recently had to pull over on the freeway due to the tire making noises then realized that the tire wear was uneven again but this time shredded apart. I could feel metal poking out which the tires hadn’t been on for long. The loss pressure warning light went off. I later found the missing tire…
The cars MMI system will loose connection while in Motion making the car systems none functioning /. This can happen while at highway speeds or while backing up .
Shortly after my warranty expired last september ([XXX]) my 2020 Audi A4 Allroad started to experience random episodes of the car's main entertainment touch screen rebooting in the middle of the car being operated. This usually would only happen once or twice during maybe an hour long car ride. Then this spring, starting in mid-March the car started to experience the MMI reboots more often, say 6-7 times over an hour long car ride. This started to happen more often, and then it would be around 4-5 times in a 20 minute car ride. I noticed that when this would happen, it would cause issues with…
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
The MMI system, which is the display in the car, keeps rebooting every few minutes. It is extremely distracting while driving. Also during parking or back up the parking assistance and backup camera would suddenly disappear because the system reboots. The rear cross traffic warning stops working during reboot as well.
The MMI system crashes and reboots after about 90 seconds. This affects all parking and collision sensors.
MMI system in 2020 Audi A4 keeps blacking out and constantly rebooting while driving. This issue happens while going in reverse, which crashes the backup camera and triggers a safety warning in the car. It also happens while idling, which also triggers a safety warning in the car about the backup camera being inoperable.
MMI system shutting down randomly every 2 mins cameras and other safety features doesn’t work
My car randomly checks for remote access during drive. This occurs also during reversing the car preventing for seeing the rear view camera. this is causing dangerous situations.
2020 Audi A4 allroad: questions owners ask
Is the 2020 Audi A4 allroad reliable?
NHTSA data alone cannot rate reliability, but it shows what owners reported. Owners filed 158 complaints with NHTSA about the 2020 Audi A4 allroad; the most common categories were electrical system (111, 70.3%), back over prevention (55, 34.8%), forward collision avoidance (11, 7%). There is 1 safety recall. 1 complaint mentions a crash.
What are the most common problems with the 2020 Audi A4 allroad?
Across 158 owner complaints filed with NHTSA, the categories mentioned most often are electrical system (70.3% of complaints), back over prevention (34.8% of complaints), forward collision avoidance (7% of complaints), lane departure (4.4% of complaints), communication (1.3% of complaints). One complaint can name several components.
Does the 2020 Audi A4 allroad have any recalls?
Yes. NHTSA lists 1 recall for the 2020 Audi A4 allroad; the most recent (campaign 22V034000, 2022-01-26) concerns Tires. Recall repairs are free at a franchised dealer; check your VIN at nhtsa.gov/recalls.
Why does the infotainment screen freeze, reboot or go black in my 2020 Audi A4 allroad?
103 of the 158 owner complaints NHTSA has on file for the 2020 Audi A4 allroad (65.2%) describe the infotainment or touch screen freezing, rebooting or going black. One owner wrote: "Audi MMI system randomly goes dark and reboots during driving - this turns off the rear camera and any GPS system being used to navigate along with the sound system, etc." (NHTSA complaint 11678028, August 2025). If it happens to your car, check your VIN for open recalls at nhtsa.gov/recalls and report the problem to NHTSA; complaints are what trigger investigations.
Why does the backup camera not work on my 2020 Audi A4 allroad?
17 of the 158 owner complaints NHTSA has on file for the 2020 Audi A4 allroad (10.8%) describe the rearview or backup camera failing or showing a blank screen. One owner wrote: "Audi mmi/infotainment reboots repeatedly while driving. It removes my attention from driving and is extremely distracting. Also fails when backing up and back up camera goes black." (NHTSA complaint 11673855, July 2025). If it happens to your car, check your VIN for open recalls at nhtsa.gov/recalls and report the problem to NHTSA; complaints are what trigger investigations.
Why does my 2020 Audi A4 allroad stall, lose power or shut off while driving?
10 of the 158 owner complaints NHTSA has on file for the 2020 Audi A4 allroad (6.3%) describe the engine stalling, losing power or shutting off while driving. One owner wrote: "The MMI Infotainment system on my car repeatedly turns off and restarts while driving. This system controls both the entertainment system and cameras and display that monitor collisions, creating a significant safety concern." (NHTSA complaint 11670975, July 2025). If it happens to your car, check your VIN for open recalls at nhtsa.gov/recalls and report the problem to NHTSA; complaints are what trigger investigations.
Check your own A4 allroad
Counts are a starting point, not a verdict: popular models collect more complaints because more of them are on the road, and NHTSA does not verify individual reports. To see whether a recall is still open on your car, enter your VIN at nhtsa.gov/recalls (U.S.) or your registration at check-vehicle-recalls.service.gov.uk (UK). Had a safety problem? Report it to NHTSA; complaints are what trigger investigations and recalls.
Data: NHTSA Office of Defects Investigation recall and complaint databases (public domain), DVSA anonymised MOT results (Open Government Licence v3.0), retrieved October 25, 2026. Model year 2020 only.