Automatic Stability Control (asc) problems of the 2005 Toyota Sienna

Tl- the contact owns a 2005 Toyota Sienna. The contact stated that while driving at various speeds, the vehicles vsc (vehicle stability control) warning indicator would independently activate, causing the vehicle to slow down and sometimes veer to either the driver or passenger side. The contact stated that the failure would occur intermittently and without warning. The contact also stated that the failure had gotten progressively worse over time. The vehicle was taken to the dealer for diagnosis, however the failure could not be duplicated. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was 150,000. Wh.

I was driving my 2005 Toyota Sienna on a dry, straight road at about 30 mph and for no reason the vehicle stability control (vsc) engaged and brought the car to a violent stop. The nose of the car came down and I could feel the rear of the van begin to lift off of the ground. If I was traveling on a highway at a higher rate of speed, I have no doubt this van would have flipped over. I had to drive to the dealer when this occurred at least ten times while not driving over 10 mph. My dealer said they have never heard of this problem but I have found numerous owners online who have experienced this issue.