2024 Toyota Sienna Hybrid service brakes problems
16 owner complaints filed with NHTSA name the service brakes on the 2024 Toyota Sienna Hybrid — 24% of all complaints for this model year.
What owners report
“Three (3) separate systems failed. 1. Upon seeing cars ahead of us slowing down, my husband pressed the breaks to slow down to avoid collision. When he pressed on the breaks, instead of slowing down or stopping the vehicle, the brakes failed to engage, and caused a surge that compelled the vehicle…”
filed Aug 26, 2026
“Moving about 55 miles per hour on right lane of I-95 the Jeep in front of me braked abruptly. I braked hard but as my Sienna was quickly slowing down to stop, the brake pad felt spongy when it was slower and as I pressed even harder, it seemed to have stopped decelerating at that slower speed and…”
filed Jul 15, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Service Brakes problems in other Sienna Hybrid years
| Year | Reports | Share |
|---|---|---|
| 2025 Sienna Hybrid | 1 | 0% |
| 2023 Sienna Hybrid | 25 | 37% |
| 2022 Sienna Hybrid | 3 | 15% |
| 2021 Sienna Hybrid | 6 | 14% |
Other reported problem areas on the 2024 Toyota Sienna Hybrid
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.