2023 Toyota Sienna Hybrid problems, complaints & recalls
Most-reported problem areas: Service Brakes (24) · Visibility/Wiper (6) · Seat Belts (3)
🧭 Reliability snapshot
Compared against other Toyota Sienna Hybrid model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (3)
Seats:mid/Rear Assembly:recliner 2026-10-20 · campaign 26V690000 · 228,367 vehicles
Defect: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2022-2026 Sienna Hybrid 7-passenger vehicles. The second-row seat backs may fail to remain secured in the event of a crash.
Risk: A seat back that is not secured may fail to properly protect an occupant during a crash, increasing the risk of injury.
Fix: Dealers will update the supplemental restraint system (SRS) electronic control unit (ECU) software. For vehicles equipped with the "Mobility as a Service" (MaaS) package, dealers will replace the two second-row seat backs. Repairs will be performed free of charge. Owner notification letters are expected to be mailed December 7, 2026. Owners may contact Toyota's customer service at 1-800-331-4331. Toyota's numbers for this recall are 26TB24 and 26TA24.
Equipment Adaptive/Mobility:wheelchair Restraints/Securement:latch/Anchor: 2025-12-17 · campaign 25V877000 · 1,019 vehicles
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.
Risk: An unsecured wheelchair can move during transit, increasing the risk of injury.
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 2025-02-13 · campaign 25V086000 · 167,802 vehicles
Defect: 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."
Risk: An improperly tightened seatback may not adequately restrain the occupant during a crash, increasing their risk of injury.
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.
Service bulletins (140)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Engine 2026-08-20 · T-SB-0110-20 Rev2 · Service Bulletin/Repair Instructions
obsolete notice august 20, 2026: this bulletin is now obsolete. please see t-sb-0051-26.
Engine 2026-08-20 · T-SB-0051-26 · Service Bulletin/Repair Instructions
this bulletin includes basic procedures for performing a rescue charge at battery on high voltage (hv) ni-mh and li-ion batteries.
Electrical System 2026-05-14 · 22TE09 · Warranty Program/Extension
although the hv floor under wire harness and rear traction motor cable is covered by toyota’s new vehicle limited warranty for 3 years or 36,000 miles (whichever comes first), we at toyota care about the customers’ ownership experience. toyota is providing extended coverage under this customer suppo
Engine 2026-02-27 · T-SB-0104-21 Rev2 · Service Bulletin/Repair Instructions
obsolete notice february 27, 2026: this bulletin is no longer applicable and is now obsolete.
Electrical System 2026-01-30 · T-SB-0106-22 Rev2 · Service Bulletin/Repair Instructions
obsolete notice january 30, 2026: this bulletin is now obsolete. please see t-sb-0001-26.
Electrical System 2026-01-28 · T-SB-0001-26 · Service Bulletin/Repair Instructions
some 2018 – 2024 model year toyota vehicles equipped with a premium audio with dynamic navigation system require a special service tool (sst) usb flash drive to update the map, points of interest, and system software.
Showing the 6 most recent of 140 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-10-18 · Seat Belts“the seat belt latch stopped working. it appears the locking mechanism failed and it is stuck in the locked state which prevents the seat belt from latching. this is a critical failure in vehicle safety. it had been inspected by toyota and they do not know what happened and are not willing to fix it unless we pay for it. this issue should be a recal…”
2026-10-14 · Air Bags“my 2023 toyota sienna le has experienced a recurring supplemental restraint system (srs) airbag warning that appears to be triggered by normal movement of the second-row seats. the vehicle has been brought to cobb county toyota in georgia multiple times for this issue. previous repairs included replacement of the wiring harness. following that rep…”
2026-10-13 · Service Brakes · 35,400 mi“the contact owns a 2023 toyota sienna hybrid. the contact stated that when attempting to apply the brakes while driving at 30 mph or at lower speeds, the vehicle suddenly lunged forward. the failure occurred approximately 7 times, with the most recent occurrence causing the vehicle to lunge into an intersection, where oncoming traffic managed to av…”
2026-08-27 · Unknown Or Other“on toyota sienna xse 2023 in-cabin rear view mirror gets completely obstructed by the entertainment system lcd screen when opened.…”
2026-08-25 · Service Brakes“while drive i'm approaching my driveway at about 20 mph i proceed to turn into my drive and the car does stop or slow down it's like i'm on ice (very scary) toyota says this is common on hybrids it seems to scary to drive …”
2026-08-25 · Service Brakes“when i driving slow and begin to brake the car does not slow down or stop. it feels like i'm hydroplaning.…”
2026-08-11 · Seat Belts“seatbelt intermittently would latch since purchasing vehicle, and then completely failed and will no longer latch/clip in. this is 3rd row passenger side. …”
2026-07-14 · Unknown Or Other“while driving on the freeway with my small children in the backseat a loud pop sounded and glass from the moon roof came shattering down upon us. the glass hit my face, arms, hair, and fell into my seat and all around the interior of the car. though glass fell along my face my vision was not obstructed and i was able to safely exit the freeway with…”
2026-07-06 · Seats:front Assembly:power Adjust“on june 11, 2026, a braunability turny evo seat system, installed by a third-party mobility dealer, suffered a catastrophic mechanical failure while in operation. a passenger with a physical disability was secured in the equipment when the mechanism seized, trapping the individual mid-cycle. the remote control displayed a mandatory "code 19" error,…”
2026-05-08 · Service Brakes“the brakes on the hybrid system release during braking. which send the van lurching forward, this typically happens a lower speeds, under 20mph. which makes it unsafe as you do not stop when you are expecting. …”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.