2021 Toyota Redundant Sienna Service Brakes Problems
Owners have filed 80 complaints with NHTSA about service brakes problems on the 2021 Toyota Redundant Sienna, 48% of all complaints for this model year. Half of the reports with a mileage happened before 28,800 miles. The words owners use most often: “feels like” (14% of reports).
- 80service brakes complaints
- 28,800median miles at failure
- 8mention a crash
- 2mention an injury
- 0related recalls
- 13%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Feels like: mentioned in 11 of 80 complaints (14%)
- Stop sign: mentioned in 7 of 80 complaints (9%)
- Surges forward: mentioned in 6 of 80 complaints (8%)
- Rear end: mentioned in 5 of 80 complaints (6%)
At what mileage do service brakes problems happen?
Based on 3 complaints that reported the odometer reading.
How serious are the reports?
Of 80 complaints, 8 mention a crash, 2 an injury.
Toyota Redundant Sienna service brakes complaints by model year
| Model year | Service Brakes complaints | Share of that year | Median miles |
|---|---|---|---|
| 2022 Redundant Sienna | 62 | 52% | 10,000 |
| 2021 Redundant Sienna | 80 | 48% | 28,800 |
When owners reported it
Related recalls (0)
No safety recall lists service brakes for the 2021 Toyota Redundant Sienna. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
When braking to a stop at low speed (stopping at stop sign or at light), then car accelerates forward even though my foot is on the brake attempting to slow the car down. This unintended acceleration is dangerous and can cause an accident.
When braking downhill, the car will lurch forward causing me to have to break harder.
Brake Transition Issues: I have noted frequent jolts of power when braking, which creates at least the sensation of, if not actual acceleration while breaking. Web research suggests this may be linked to the vehicle switching between regenerative and mechanical braking systems, and that the problem…
Frequently asked questions
Do all 2021 Toyota Redundant Siennas have service brakes problems?
No. NHTSA has 80 owner complaints about service brakes for the 2021 Toyota Redundant Sienna (48% of the 165 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2021 Toyota Redundant Sienna service brakes?
No recall currently lists service brakes for this vehicle.
At what mileage do service brakes problems start?
The median reported mileage is 28,800 miles: half of the reports with a mileage came before that.
What do owners say about service brakes problems on the 2021 Toyota Redundant Sienna?
The most frequent phrase is “feels like”, in 11 of 80 complaints, followed by “stop sign” (7).
See all 2021 Toyota Redundant Sienna problems or service brakes problems across all Redundant Sienna years.