Toyota Highlander

At 57,000 miles the dealership says the transmission must be replaced. Toyota refused to replace it under warranty because they stated it wasn't serviced at Toyota consistently. There isnt a service for the transmission under 100k miles. This is a known issue with this transmission and they act oblivious to this issue.

The factory Blizzard Pearl paint on this vehicle is experiencing severe chemical delamination down to the bare primer and sheet metal on multiple body panels. This structural failure aligns exactly with Toyota Customer Support Program ZKG. Large sheets of brittle paint regularly flake and peel off while driving at highway speeds, creating a projectile and visibility hazard for following motorists. Despite this being a known manufacturing defect, the vehicle falls outside of Toyota's arbitrary…

On August 24, 2026, my vehicle was parked, turned off, and locked for more than 6 hours in a parking lot. Without warning, the vehicle experienced a spontaneous thermal event/self combustion. The fire and thermal damage were entirely localized to the dashboard area inside the passenger cabin. The engine compartment, battery area and front mechanical components remained completely unaffected by the fire. The vehicle was off, motor was cold and car was closed and parked for about 6 hours when…

While driving and applying the brakes to come to a complete stop at low speed (approximately 5–15 mph), the vehicle intermittently loses brake responsiveness for a brief moment during the transition from regenerative braking to hydraulic (friction) braking. This causes the vehicle to lurch forward unexpectedly before the brakes fully re-engage. The issue is intermittent and unpredictable, occurring most often when coming to a stop at slow speed, which makes it difficult to anticipate and…

The cars brakes will release and car will lurch forward forcing you to hit the brakes again to avoid colliding with car in front of you. This is a KNOWN problem called HYBRID REGENERATIVE BRAKE TRANSITION FEELING IMPROVEMENT PER Toyota's TSB-0059-23. They know of the problem, but do not tell people about it upon bringing car in. My car is starting to do it more now, and they will not cover because it is beyond 36,000 miles or 3 year manufacturer warranty This is NOT a minor safety problem. I…

The transmission whining started 70,000 miles and it is progressively gotten worse, there has been some sudden shifting at times. The manufacturer has known about this 8 speed transmission. Problem since 2017 and they haven’t done anything to improve it. Isn’t is something that the warranty only covers the drivetrain and. Transmission till 60,000. And know they are telling us that we have to pay anywhere from $7,000-$12,000 to,have it replaced. We have taken it to the Toyota dealership Thayer…

1. The car makes a squeaky sound when I accelerate. The faster I go the louder the noise becomes. I took the car to the Toyota dealership and was told that the transmission needs to be replaced. The car is only 5 years old. I checked online and noticed a lot of other people are also complaining about the same issue with their 2021 Toyota Highlander. 2. While driving on the Turnpike a few months ago, the driver side front door suddenly popped open on me. I had to hold it with my left hand,…

The UA80 8-speed automatic transmission failed at 87,896 miles. Symptoms began as slipping in 1st and 2nd gears and harsh jerking when accelerating from a stop, with the engine revving while the vehicle failed to move. This is a loss of motive power that can occur without warning in traffic. On 8/31/2026 a Toyota dealer diagnosed a failed transaxle requiring complete replacement, with a whine traced to the differential inside the transmission, and quoted $11,126.81. This matches the failure…

The transmission started making a whining noise around 69,000 miles that a mechanic said was due to transmission failure. There were no warning lights or messages. I took it to the Toytota dealer who sold it to me new. They inspected it and confirmed that the transmission needed replaced which they did. Online research said these symptoms meant the transmission could fail at any time while driving it which could put passengers and others at risk.

According to Toyota service department in Bozeman front pump or input bearing failed causing whine noise with transmission