AUDI Complaints

The gasket seals and the seals on the cylinder are not sealed causing fuel to peak from fuel injectors

Complaint Summary Component: Electrical System / Infotainment (MMI) Vehicle: 2020 Audi A5 Make/Model/Year: Audi A5, 2020 Frequency of Issue: Ongoing, multiple times per week Safety Concern: Yes Description of the Problem: I am experiencing ongoing and repeated spontaneous reboots of the MMI (Multi Media Interface) system in my 2020 Audi A5. This issue began occurring a few months ago and has since become increasingly frequent. The reboots can happen randomly — sometimes shortly after starting the car, sometimes mid-drive, and even when in reverse, which is particularly concerning as the rearview camera and parking sensors are disabled during the reboot, creating a serious safety risk. The screen goes black, audio cuts off, and navigation is lost for about 30–60 seconds. This can interrupt driver focus and make it harder to safely operate the vehicle. This issue is not isolated to my car. Many other owners of 2020 Audi vehicles with the MIB3 infotainment system are reporting the exact same symptoms, including on a thread with hundreds of replies here: [XXX] Despite numerous complaints, there has been no official recall or permanent fix from Audi USA. Many owners report getting temporary software updates from dealers, but the problem returns. Why This is a Safety Issue: Driver distraction during driving when the screen goes black or restarts. Loss of rearview camera and parking sensors when reversing. Loss of GPS navigation during driving in unfamiliar areas. Loss of hands-free calling functionality mid-call, increasing temptation to use a phone manually. I request that NHTSA investigate this issue with Audi and consider opening a recall or service campaign for affected vehicles. This is an increasingly widespread issue that affects safe operation of the vehicle's core systems, especially during driving and parking. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

The MMI spontaneously reboots numerous times while driving. When the reboots happen, the screen goes black, and key systems such as the backup camera, rear obstacle detection, and navigation become unavailable until the reboot completes and the systems reload. Restoring functionality requires user input to get through the loading screens. The issue started in February 2025. I have attempted a factory reset (which did not solve the issue), and I have performed an OBD scan, which returned no fault codes. This appears to be a widespread issue based on the numerous reports found on user forums online, affecting the same model year vehicles (for multiple examples, refer to [XXX] ). It is also interesting that most of the users experiencing this issue also report it starting around the same time (Jan/Feb 2025), and they all have similar software versions, and likely production dates. This should be considered a safety issue, as the reboots can happen in the middle of a reverse parking maneuver, and they render the backup camera and obstacle detection sensors completely inoperative until the system reloads. They also impact safety on the highway, as the reboots completely disable the navigation screens and require multiple user inputs to restore, while driving. Relevant TSB numbers include: TSB 2067021, TSB 2076404, TSB 2069112." INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

"front left" or "front right" "side marker light defective" message Rear brakes loud squeal when reversing.

The software that supports the radio and other functions keeps rebooting while driving. This I could happen three times in 15 minutes. I have been on highway and it shuts off which has made me swerve and almost get in an accidents. Dealer has charge me $350 and did not fix issue. They are talking with corporate but no one seems to care. Started in January or February of 2025.

The MMI (multi-media interface) frequently reboots during driving, resulting in a black screen and the inoperability of key systems such as the backup camera, rear obstacle detection, navigation, and cell phone tethering (for hands-free operation). These reboots require user input, including entering a PIN to log into the user account (if set up) and repeatedly tapping on the MMI, which can be highly distracting while driving. By its very nature, the reboot catches the driver by surprise and requires diverting attention from driving.Typically, this user input is provided while stationary, immediately after starting the vehicle. The issue emerged sometime in February or March 2025. The vehicle was last serviced on April 17, 2025, at an Audi dealer. The dealer performed the recommended service. This issue constitutes a safety concern, as reboots can occur during reverse parking maneuvers, rendering the backup camera and obstacle detection sensors inoperable until the system reloads. Additionally, reboots completely disable the navigation screens and necessitate multiple user inputs to restore functionality, which can be hazardous while driving. Many states have enacted hands-free laws and requirements that mandate the use of dash-mounted systems to comply with these regulations. The reboots render such systems inoperative.

The entire ADAS system malfunctioned while driving and has been in the shop for the past 30 days. Despite replacing multiple modules, the dealership has not identified a viable solution. There were no prior warnings before the system failure.

The vehicle is a 2020 model with less than 55k miles and experienced coolant leaks. Specifically, the water pump was faulty and leaked causing coolant liquid to leak in additional lines and gaskets. The repairs resulted into costs upwards of $5k. When I first brought into dealer, the service rep mentioned that the fluctuating coolant lines wouldn’t be an issue but I further pressed them on doing a pressure test to which the issue was discovered. This is a huge safety problem if my engine was to overheat or face and other issues on the leak. I’ve never heard of a water pump going bad so quickly.

I was driving on the freeway at 60 mph when I received a warning code of a transmission problem. The code said the car was driveable but I should take it in for service. About 1-2 minutes after that the car lost all power. Unfortunately I broke down in the left lane in a construction zone without a shoulder. The state patrol had to temporarily shut down all three lanes of the highway to push me out of the traffic lane I was blocking. That was unsafe for me and for the state patrol and for the tow truck driver. The car was up to date on all recommended service, had been acting normally until the moment it failed, had not given me any warnings and is only 6 years old. I had the car towed to the dealer and the dealer reported that the Mechatronic unit (transmission computer) failed. Replacing the Mechatronic took a week and cost $5000.

I urgently request a NHTSA investigation into systemic coolant leaks, a dangerous safety defect in Audi vehicles with the 3.0L turbocharged V6 (EA839) engine. Affected models include the Q7 (my 2020 Q7 55 TFSI, VIN: [XXX] ), S4, S5, SQ5, A6/A7, Q8. These defects risk engine damage, sudden power loss, and catastrophic engine failure, endangering all road users. Many owners report premature failures of cooling components (water pump, thermostat, PCV system). Failures often occur post-warranty, costing owners over $3,000 for repairs. Online forums (AudiWorld, Audizine, Reddit) document these widespread defects. The class action [XXX] et al. v. Volkswagen Group of America, Inc. alleges water pump defects in EA839-equipped Audis (incl. Q7 up to 2022). Critical Safety Concerns: The primary safety risk from these coolant leaks involves: Coolant Ingestion: Coolant enters vacuum lines, mixes with oil (faulty PCV), or enters intake (failing intercoolers). Engine Malfunction: Ingestion causes misfires, drivability issues, and sudden power loss during operation. Catastrophic Engine Failure: Severe coolant ingestion can cause catastrophic engine failure, risking loss of control and collisions if the engine seizes/fails at speed. Sudden engine malfunction/failure while driving due to this systemic defect warrants immediate NHTSA investigation. Audi of America is aware. My contact (Mike, Ext. 43252) confirmed Audi is not addressing this widespread failure. Audi's inaction necessitates NHTSA intervention for consumer and road safety. Affected owners urge NHTSA to: Initiate a formal investigation into systemic coolant leak issues and component failures in EA839-equipped Audi vehicles. Assess the safety risks, including potential engine failure and loss of vehicle control. If warranted, issue a safety recall for affected vehicles to prevent accidents and injuries. Public safety is paramount. Evidence indicates a defect compromising vehicle safety and reliability. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION