What Owners Report NHTSA ODI · 2,175,102 complaints · MY1998–2026

2021 Toyota Redundant Sienna

Typical pattern

11.7% of complaints about the 2021 Toyota Redundant Sienna came in the first year, which is unremarkable for a 2021 vehicle — around the middle of the 159 model-years on record. The median complaint arrives at 3.1 yr in service. The most-reported system is service brakes (80 complaints), typically at 3.3 yr or about 28,800 miles.

Complaints
222
Median age at failure
3.1 yr
Median mileage
28,800 n=12
Crash / fire / tow
11.7% of reports
Safety recalls
1

When each system is reported — middle 50% of complaints

System
0y2y4y6y8y10y12y14y
Service brakes
80 reports · 28,800 mi
3.3 yr
11.2%
Other
27 reports
2.1 yr
14.8%
Seats
17 reports · 2,296 mi
1.7 yr
5.9%
Air bags
15 reports · 98,000 mi
3.8 yr
13.3%

Safety recalls — NHTSA campaigns

22V239000 2022-04-13
Electronic stability control (esc):control module:software

Toyota Engineering & Manufacturing (Toyota) is recalling certain 2022 Lexus LX 600, Lexus NX 350h, Lexus NX 450h+, Toytoa RAV4 Hybrid, 2021-2022 Lexus LS 500h, Toyota Mirai, RAV4 PRIME, Sienna, Venza, and 2020-2022 Toyota Highlander Hybrid vehicles. The Skid Control ECU software may not turn on the Vehicle Stability Control (VSC) system when the vehicle is restarted after the driver has disabled the VSC system. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 126, "Electronic Stability Control Systems."

Driving with a deactivated stability control system increases the risk of a crash.

In owners’ own words

Seats mileage not reported 8 mo in service
When the 3rd-row folding seats are down and stored and the breaks are applied suddenly the seat will release and attempt to return a nonstored position. I had a box of water on top of the seat to keep it from moving. Unfortunately when I breaked the box moved and the seat left the stored position and crushed the water bottles. If I had had a pet back there they would have been injured.
Seats mileage not reported 10 mo in service
The rear 3rd row single seat does not stay folded down in the compartment. It constantly pops up and if you put anything on it to weigh it down, that object can be a potential death threat. Toyota needs to be responsible to resolve this issue. They have offered to replace the spring on the seat, but then said the same thing would happen. Upon researching online, I have found several 2021 Sienna owners are having the same issue. This is not normal. We've had 4 previous Siennas and NONE of them have ever had a problem with the seat folding down, so I don't know where the design flaw is.
Seats mileage not reported 1.4 yr in service crash / fire / tow
I was in a major traffic accident on 2/14/22. I was rear ended in traffic by a car going high speeds. The headrest on the driver seat popped off and ended up in the second row on the floor. Because the headrest came off during the accident my head and neck were not supported and I am still recovering at this time. Although I'm thankful to have survived this is likely a safety issue. I do have a picture and a police report if needed.
Service brakes mileage not reported 10 mo in service crash / fire / tow
We were driving down the freeway when we got rear ended hard by a large pickup. Then we lost electrical and engine power. The brakes stopped working. The hazard lights stopped working. Luckily we were able to coast to a complete stop as there was no way to stop the car. The police came and took a report. Then the car was towed to a body shop. We're awaiting the insurance company adjuster for inspection.

Other Redundant Sienna model years

20222021

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