My 2019 Toyota Highlander with 56K miles has a whining noise whenever the accelerator is pressed. The noise stops when you release the gas pedal. This was confirmed by my Toyota dealership service department. The transmission ds need to be replace. They said this is a common problem with this vehicle and yet there has been no recall. Fortunately my vehicle is still under warranty. I found manner similar complaints about this transmission on the Toyota Highlander Forum. I don’t understand why there has not been a recall. Going forward I am also concerned that the replacement transmission could very well have the same problem.