2004 Toyota Sienna service brakes problems
48 owner complaints filed with NHTSA name the service brakes on the 2004 Toyota Sienna — 2% of all complaints for this model year.
What owners report
“The Traction Control System commonly malfunctions while making turns on curving road sections. I will lose power through turns as the TCS light blinks on my dashboard and makes a beeping sound. On some occasions the brakes will automatically engage in the tire that the car perceives as experiencing…”
filed May 9, 2025
“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. it…”
filed Mar 19, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Service Brakes problems in other Sienna years
| Year | Reports | Share |
|---|---|---|
| 2022 Sienna | 62 | 52% |
| 2021 Sienna | 80 | 48% |
| 2020 Sienna | 2 | 6% |
| 2019 Sienna | 1 | 2% |
| 2018 Sienna | 2 | 3% |
| 2017 Sienna | 11 | 7% |
| 2016 Sienna | 1 | 1% |
| 2015 Sienna | 16 | 7% |
| 2014 Sienna | 10 | 6% |
| 2013 Sienna | 12 | 7% |
| 2012 Sienna | 11 | 4% |
| 2011 Sienna | 18 | 3% |
Other reported problem areas on the 2004 Toyota Sienna
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.