*Median odometer reading when the problem happened, where owners gave one. One complaint can name several problem areas.
Engine
While driving, the vehicle displayed an error message (occurring when going downhill), limited engine RPM to 1200, and illuminated a warning instructing the driver not to exceed 1200 RPM â a limp-mode condition that severely limited acceleration and the ability to maintain speed in traffic. On other occasions the vehicle entered limp mode and shut down while driving. The selling dealer, Audi Mohegan Lake (Mohegan Lake, NY), checked all systems, stored fault code P060C00, and stated a software update was needed, referencing TSB-2067767 â but advised the fix was not available. Audi was unable to diagnose or repair the defect. A buyback request was filed in April 2023 (Audi case…
Jan 31, 2023Engine
What happened: During routine service on XXX at 64,148 miles, an independent Audi specialist ([XXX], [XXX]) found low coolant, coolant leaking into the vacuum system, and coolant on the belt drive. On XXX the shop replaced the water pump, thermostat, vacuum pump, vacuum tank, and vacuum lines at a cost of $6,314.30. Safety risk: The failure was found before any on-road incident. Left undetected, continued coolant loss could cause engine overheating and a stall while driving. Coolant contamination of the vacuum system and coolant on the drive belt could also compromise systems that depend on them. This failure mode is documented across EA839-equipped vehicles and is the subject of a pending…
Sep 26, 2026Engine
car in question is a 2022 Audi q7 55 tfsi - 3.0 turbo - 40k miles 2 owner. serviced at Audi since new. under warranty until 50k car throws a p0299 code - turbo underboost condition present - coolant migration from a faulty VW/AUDI water pump is sending coolant into vacuum lines causing catastrophic engine issues - car can not be driven. Audi will not fix under warranty and is trying to charge 5,800$ to replace waterpump/ associated lines. tells me the warranty "is for some items and not others" there is a class action lawsuit for a longstanding issue that Audi has been aware of since 2020 and not offering any solution for - Case No. 26-5678, NJ.
Jul 15, 2026Engine
My 2022 Audi Q7 experienced an internal water pump seal failure that allowed engine coolant to migrate into the vehicleâs vacuum system, contaminating the vacuum reservoir, valve, and connected lines. This is a known failure pattern affecting Audi/Volkswagen vehicles equipped with the 2.9T/3.0T EA839 engine family, where the water pumpâs internal design allows coolant to be drawn into the vacuum circuit undetected, since the leak is internal and not visible externally. This can affect brake booster vacuum assist and turbo/drivetrain systems depending on severity. The failure occurred outside of any accident or misuse, is a documented design issue in ongoing class action litigation…
Jul 25, 2026Power train
I was traveling at highway speeds in active, high-velocity traffic when my vehicle suffered a sudden, catastrophic mechanical failure that nearly resulted in a severe multi-car accident. Without any warning, the vehicle completely lost its ability to accelerate, flatly refusing to pick up speed or maintain momentum despite pressing the gas pedal. âThis unexpected, immediate drop in propulsion marooned me in high-speed lanes, leaving the vehicle dangerously vulnerable as oncoming traffic rapidly closed the distance behind me. Drivers behind me were forced to aggressively swerve and brake to avoid a high-speed rear-end collision. Moments after this life-threatening loss of power occurred,…
May 10, 2026Service brakesCrash
While parked in my residential garage with the engine shut off and car door closed, the vehicle suffered an un-commanded rollaway incident due to a suspected defect in the electronic parking brake or automatic-park transmission software. The vehicle was completely stopped, the driver exited the vehicle and the driver's door was closed. Moments later, the vehicle shifted out of its parked state or failed to hold, rolling backward down the driveway and colliding with a basketball pole in the driveway, causing vehicle damage. No warning chimes or dashboard alerts were observed prior to exiting. The vehicle's electronic failsafe to automatically engage 'Park' upon the door opening failed to…
Jun 3, 2026Service brakesCrash1 injury
I drove home after shopping, opened my garage door by remote, and pulled into the garage. I placed the vehicle in park, and shut off the engine via push button. I retrieved my purse from the passenger seat and exited the vehicle. I exited the vehicle with the intent of retrieving my shopping bags from the rear hatch. As I walked towards the rear of the vehicle I noticed my next-door neighbor had stopped at the end of my driveway with the driverâs window down. I did not make it to the hatch door and instead walked to the end of my driveway. [XXX] was the only occupant of the car. He was the driver. We started talking for several minutes with my back to the garage the entire time until…
May 16, 2026Forward collision avoidance › Warnings
My car has suddenly tried to stop in the middle of an interstate highway. It happens when the adaptive cruise control is active. Even though the lane in front of the car is clear, a warning sign appears in the dash that the pathway is obstructed and the car tries to stop quickly. This has happened on this vehicle four times now. It happened on my previous Audi as well. At that time, the car was taken off the highway and the dealer would not return it to me for a period of six weeks. During this last incident, the dealer said that they searched the information in the car. I had provided the odometer reading and date to the dealer when it happened. I was told that there was no information…
Aug 12, 2025
Owner complaints are submitted to NHTSA by the public and are not verified. Shown as filed (NHTSA removes personal details); long reports are shortened.