2026 Toyota Sienna Hybrid problems, complaints & recalls
Most-reported problem areas: Visibility/Wiper (4) · Seats (4) · Visibility:windshield (1)
🧭 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 (1)
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.
Service bulletins (24)
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-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.
Unknown Or Other 2026-06-25 · T-SB-0003-26 Rev1 · Service Bulletin/Repair Instructions
2026 model year toyota vehicles are equipped with driver side floor mat retainers to secure the floor mat in the correct position. in addition, some models may also utilize retainers for passenger side and rear seat floor mats. during pre-delivery service (pds), follow the appropriate installation p
Unknown Or Other 2026-06-18 · T-SB-0004-26 Rev1 · Service Bulletin/Repair Instructions
during the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting. if the wheels are replaced or refinished before vehicle delivery, it is important that the tires remain on the vehicle in the same location and in the same direct
Unknown Or Other 2026-06-10 · T-SB-0005-26 Rev1 · Service Bulletin/Repair Instructions
a battery in a stored vehicle is subject to conditions that can reduce its performance and service life. these conditions include storage period, temperature, parasitic drain, and battery load. because of these factors, battery inspection and maintenance are required in order to ensure proper operat
Unknown Or Other 2026-06-10 · T-SB-0002-26 Rev1 · Service Bulletin/Repair Instructions
long-term or off-site storage requires special care to maintain vehicle condition. the following guidelines should be performed to minimize vehicle component/part degradation due to extendedvehicle storage conditions. long-term storage can affect a vehicle’s systems and components. any problems tha
Unknown Or Other 2026-02-12 · T-SB-0017-25 Rev2 · Service Bulletin/Repair Instructions
obsolete notice february 12, 2026: this bulletin is now obsolete. please see t-sb-0005-26.
Showing the 6 most recent of 24 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-10-21 · Seats“the contact owns a 2026 toyota sienna hybrid. the contact received a recall letter for manufacturer recall number: 26tb24/nhtsa campaign number: (awaiting). the local dealer was contacted and confirmed that parts were not yet available. the dealer declined to provide a loaner vehicle. the manufacturer was contacted and advised the contact that loan…”
2026-10-13 · Visibility/Wiper“"the factory backup camera on my brand-new 2026 toyota sienna has a critically low resolution, resulting in a deeply blurry and pixelated image. the video feed is also heavily letterboxed into a tiny box in the middle of the large 12.3-inch screen. this poor quality and tiny layout severely restrict visibility, making it dangerous to spot pedestria…”
2026-10-08 · Unknown Or Other“we have been to the dealer 3 separate times for our ac not properly cooling. and also no air flow through out the van. as well as the rear driver passenger door button doesnt open all the time. …”
2026-10-08 · Visibility/Wiper“the factory backup camera on my brand-new 2026 toyota sienna has a critically low resolution, resulting in a deeply blurry and pixelated image. the video feed is also heavily letterboxed into a tiny box in the middle of the large 12.3-inch screen. this poor quality and tiny layout severely restrict visibility, making it dangerous to spot pedestrian…”
2026-10-05 · Visibility/Wiper“the factory-installed backup camera on my brand-new 2026 toyota sienna xse has a critically low resolution, resulting in a deeply blurry, fuzzy, and pixelated image. furthermore, the video feed is heavily letterboxed into a small rectangle in the middle of the large 12.3-inch screen. this poor image quality and tiny layout severely restrict rearwar…”
2026-08-06 · Visibility:sun/Moon Roof Assembly · 2,000 mi“the contact owns a 2026 toyota sienna hybrid. the contact stated that while the vehicle was occupied and parked in the driveway, the sunroof exploded outward without impact. the sunroof shade was closed during the failure. there was no reported injury. the vehicle was taken to a dealer, where the contact was informed that a similar failure was prev…”
2026-07-28 · Visibility:windshield · 3,000 mi“the contact owns a 2026 toyota sienna. the contact stated that while driving at 35 mph, an abnormal, shattering sound emitted from the vehicle. the contact immediately pulled over and discovered that the rear window had shattered without incident as glass debris had spread all over the truck of the vehicle. the contact was able to flag down a polic…”
2026-07-20 · Seats“seat height not adjusting is ludicrous and a hazard! my husband is 6'4", my sons, 6'1", they seat height is not safe and braking/turns cause them to hit their heads. this could be life threatening in a real accident. there should be a lower profile seat that could be installed by toyota. this is not safe!…”
2026-07-12 · Structure:body:door:hinge And Attachments“van doors sensors not functioning correctly. child was in the way and got pinned between doors. the door didn’t stop when it touched the child, cont to close with the child in the way. child ended up with a bruise on right thigh. the door had to manually be pulled back off of the child..…”
2026-07-07 · Seats“while driving my new 2026 toyota sienna woodland edition home from the dealership on the day of purchase (xxx), i applied routine braking to stop at a yellow light. both second-row captain's chairs, which had been slid fully rearward and left in the upright position during the dealer's cargo-space demo, and which i assumed had been properly locked,…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.