2021 Toyota Sienna Hybrid recalls and problems

4 recalls and 45 owner complaints on file with NHTSA for the 2021 Toyota Sienna Hybrid.

4
recalls
45
owner complaints
0
complaints mentioning a crash
1
mentioning a fire

Recalls apply to specific production ranges. To see whether a particular car still has an open recall, enter its VIN at nhtsa.gov/recalls. Repairs for safety recalls are free at authorised dealers.

2021 Toyota Sienna Hybrid recalls

Equipment adaptive/mobility: wheelchair restraints/securement, latch/anchor

NHTSA campaign 25V877000 · reported December 17, 2025 · Vantage Mobility · 1,019 vehicles potentially affected

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

Seats: mid/rear assembly, recliner · Seats: critical fasteners

NHTSA campaign 25V086000 · reported February 13, 2025 · Toyota Motor Engineering & Manufacturing · 167,802 vehicles potentially affected

The problem
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2021-2025 Sienna Hybrid vehicles. The bolts for the seatbacks on the third-row seat assemblies may not be tightened properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 202, "Head Restraints," 207, "Seating Systems," and 225, "Child Restraint Anchorage Systems."
The risk
An improperly tightened seatback may not adequately restrain the occupant during a crash, increasing their risk of injury.
The fix
Dealers will tighten the seat assembly bolts, free of charge. Owner notification letters were mailed April 1, 2025. Owners may contact Toyota's customer service at 1-800-331-4331. Toyota's number for this recall is 25TA05.

Air bags: sensor, occupant classification

NHTSA campaign 23V865000 · reported December 20, 2023 · Toyota Motor Engineering & Manufacturing · 999,901 vehicles potentially affected

The problem
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2020-2021 Avalon, Avalon Hybrid, Corolla, Highlander, Highlander Hybrid, RAV4, RAV4 Hybrid, Lexus ES350, Lexus RX350, Lexus RX450H, 2021 Sienna Hybrid, Lexus ES250, 2020-2022 Camry, Camry Hybrid, and ES300H vehicles. A short circuit may develop in the Occupant Classification System (OCS) sensor, preventing the front passenger air bag from deploying.
The risk
An air bag that does not deploy during a crash increases the risk of injury.
The fix
Dealers will inspect and replace the sensor as necessary, free of charge. Interim letters notifying owners of the safety risk were mailed in February 2024. Some final remedy owner letters were mailed October 31, 2024. Letters will continue to be mailed in phases through January 2026. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is 23TB15/23TA15 Lexus 23LB03/23LA03.

Electronic stability control (ESC): control module, software

NHTSA campaign 22V239000 · reported April 13, 2022 · Toyota Motor Engineering & Manufacturing · 458,110 vehicles potentially affected

The problem
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."
The risk
Driving with a deactivated stability control system increases the risk of a crash.
The fix
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.

Most reported problems

Areas named in owner complaints to NHTSA. One complaint can name several areas.

What owners report

Recent complaints filed with NHTSA, shortened. These are unverified accounts from owners, not findings.

Oct 9, 2026 · Service brakes

I purchased my 2021 Toyota Sienna Hybrid new in March 2021. For several years I have had an intermittent braking problem: when I apply the brakes, especially while slowing down or driving downhill, the vehicle sometimes lurches or feels like it suddenly accelerates forward instead of slowing. I must press the brake…

Oct 9, 2026 · Service brakes

This is a supplemental correction to my NHTSA complaint #… (2021 Toyota Sienna Hybrid, VIN […]). The description of the brake defect itself is unchanged; I am correcting the service-history details. First dealer visit: the correct date is …, at approximately 41,192 miles, Repair Order #…, at Checkered Flag Toyota of…

Sep 15, 2026 · Electrical system

The front passenger door lock actuator does not work properly causing the door to stay locked or unlocked despite attempts to change the door lock through the internal power locking system or remote key. This presents a safety issue in that it requires a manual lock/unlocking of the door should an emergency situation…

Sep 10, 2026 · Structure

The rear power liftgate hinges on my 2021 Toyota Sienna failed structurally under normal, everyday operation. The power liftgate motor and struts appear to exert uneven or excessive pressure on the rear hatch assembly, causing the metal hinges to crack. Before the failure, we noticed a loud popping/grinding sound when…

Sep 5, 2026 · Service brakes

brake sleeps sometime when i press brake pedal i took car to dealer once,they said need time i did not have much time took another time, they reseted system still... my warranty is over now. rear seat,make shake noise and check rear seat sign on dealer can't find problem. did not do anything since new car. i do not…

Sienna Hybrid model years compared

YearRecallsComplaintsCrashesFires
2021 44501
2022 52210
2023 37180
2024 46950

Across all years, the 2025 Sienna Hybrid has the most complaints (267). All Toyota Sienna Hybrid years →

Questions

Does the 2021 Toyota Sienna Hybrid have any recalls?
Yes. NHTSA lists 4 recalls for the 2021 Toyota Sienna Hybrid, the most recent reported on December 17, 2025 (Equipment adaptive/mobility: wheelchair restraints/securement, latch/anchor). Check a specific car by its VIN at nhtsa.gov/recalls.
What are the most common problems with the 2021 Toyota Sienna Hybrid?
Owners have filed 45 complaints with NHTSA. The most frequently reported area is air bags (13 complaints), followed by service brakes (8).
How many 2021 Toyota Sienna Hybrid complaints mention a crash or fire?
0 of 45 complaints report a crash and 1 a fire; 1 injuries were reported in total. Complaints are unverified reports from owners.

Source: NHTSA recall and complaint data, updated October 27, 2026. Latest complaint received October 9, 2026.