VehicleVerdict

2021 Toyota Redundant Sienna problems

Verdict · NHTSA data

A typical year for this model

The 2021 Toyota Redundant Sienna sits mid-pack among Redundant Sienna years: 223 NHTSA complaints, with 2 recalls and no defect investigations. Complainants reported 13 injuries in total across these filings.

Brakes leads the complaint categories with 80 reports (36% of the total).

223

NHTSA complaints

2

Recalls

0

Investigations

19

Crash-involved

5

Fires reported

13

Injuries

0

Deaths

—

NCAP overall

How does 2021 compare to other Redundant Sienna years?

Redundant Sienna NHTSA complaints by model year, 2021 highlighted223 complaints2021: 223 complaints2022: 160 complaints2023: 0 complaints2024: 0 complaints2025: 0 complaints
Redundant Sienna NHTSA complaints by model year, 2021 highlighted. Red bars are years to avoid.

See all Redundant Sienna years to avoid →

What are the most common 2021 Toyota Redundant Sienna problems?

ComponentComplaintsShare
Brakes8036%
Other2913%
Seats178%
Airbags167%
Electrical System136%
Speed Control104%
Seat Belts84%
Driver Assistance84%
Engine84%
Transmission84%
Visibility & Wipers63%
Body & Structure63%
Fuel System52%
Steering31%
Suspension21%
Tires & Wheels21%
Lighting10%
Latches & Locks10%

Does the 2021 Toyota Redundant Sienna have recalls?

2 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.

25V877000OtherDecember 17, 2025 · 1,019 units

Defect

Vantage Mobility, LLC (VM) is recalling certain 2021-2026 Honda Odyssey, 2021-2025 Chrysler Pacifica, and Toyota Sienna vehicles equipped with QRT-Deluxe and QRT-Max wheelchair restraints. The retractors may not lock, preventing the wheelchair from being properly secured.

Consequence

An unsecured wheelchair can move during transit, increasing the risk of injury.

Remedy

Dealers will inspect and replace the retractors, free of charge. Owner notification letters was mailed January 27, 2026. Owners may contact Vantage Mobility customer service at 1-800-488-9082.

22V239000Electrical SystemApril 13, 2022 · 458,110 units

Defect

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."

Consequence

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

Remedy

Dealers will update the Skid Control ECU software, free of charge. Owner notification letters were mailed May 27, 2022. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is 22TA03. Lexus' number for this recall is 22LA01.

Consumer complaints filed with NHTSA

Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.

“When breaking, mostly during downhill, the brakes feel like they simply “let go” for an instant. Most times this is very short and It feels like a typical downshift during breaking in an ICE car. However, last time it really gave me a lurch and I almost ended up falling off a cliff face. Many…”

Complaint filed with NHTSA · Brakes · June 27, 2024 · crash

“When breaking, mostly during downhill, the brakes feel like they simply “let go” for an instant. Most times this is very short and It feels like a typical downshift during breaking in an ICE car. However, last time it really gave me a lurch and I almost ended up falling off a cliff face. Many…”

Complaint filed with NHTSA · Other · June 27, 2024 · crash

“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…”

Complaint filed with NHTSA · Seats · February 14, 2022 · crash

“The contact owned a 2021 Toyota Sienna Hybrid. The contact received notification NHTSA Campaign Number: 23V865000 (Air Bags) however, the remedy to repair the recall was not available. The contact stated while driving from a stop light, another vehicle crashed into the driver’s front side door.…”

Complaint filed with NHTSA · Airbags · February 2, 2024 · crash

“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…”

Complaint filed with NHTSA · Electrical System · July 24, 2021 · crash

2021 Toyota Redundant Sienna — common questions

Is the 2021 Toyota Redundant Sienna reliable?

It is close to typical for the Redundant Sienna: 223 NHTSA complaints, 2 recalls, and no investigations on file.

What are the most common 2021 Redundant Sienna problems?

According to NHTSA complaint data, the leading problem areas are brakes (80 complaints), other (29 complaints), seats (17 complaints).

Does the 2021 Toyota Redundant Sienna have recalls?

Yes — NHTSA lists 2 recall campaigns affecting the 2021 Toyota Redundant Sienna. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.