Table 1 shows 14 common service brakes related problems of the 2004 Toyota Sienna. The number one most common problem is related to the service brakes (45 problems). The second most common problem is related to the brake sensor (14 problems).
Vehicle often applies brakes on its own . At first it was only in turns . However now it does it when driving straight on the the freeway or just down the street at 45mph. I have fixed my alignment ,new tires, all of the front suspension and nothing prevents the car from trying to brake for me. Read details...
When driving in dry conditions at various speeds over 25 mph, the vsc warning light comes on, an alarm sounds and the antilock brakes engage for no reason. This is a terrifying and extremely dangerous issue that is well documented by so many Toyota Sienna owners but to date has not been addressed Read details...
- the contact stated that while driving the 2004 Toyota Sienna (with 30600 failure mileage at 30 mph the contact's vehicle struck a second vehicle , t-boned, on the passenger's side, pushing the other vehicle out of the way and continuing down the street. Read details...