2016 Toyota Sienna problems, complaints & recalls
Most-reported problem areas: Structure:body (21) · Wheels (5) · Steering (4)
🧭 Reliability snapshot
Compared against other Toyota Sienna model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
39 NHTSA complaints that reported an odometer reading.
Safety recalls (5)
Equipment Adaptive/Mobility:wheelchair Restraints/Securement:latch/Anchor: 2025-12-17 · campaign 25V876000 · 86 vehicles
Defect: Rollx Vans (Rollx) is recalling certain GMC Yukon, Sierra, Chevrolet Express 2500, Ford Transit, E-250, Toyota Sienna, Sienna Hybrid, Honda Odyssey, Chrysler Town and Country, Voyager, Pacifica, Dodge Grand Caravan, and Ram Promaster vehicles equipped with QRT-Deluxe and QRT-Max wheelchair restraints. Please refer to Rollx's recall report for specific model year information. 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: Rollx will work with Q'Straint to inspect and replace the retractors as necessary, free of charge. Owner notification letters were mailed February 5, 2026. Owners may contact Rollx's customer service at 1-800-956-6668.
Service Brakes, Hydraulic:foundation Components:hoses, Lines/Piping, And Fittings 2019-07-25 · campaign 19V553000 · 303 vehicles
Defect: Vantage Mobility International, LLC (Vantage) is recalling certain 2012-2018 AMS Genesis wheelchair vans, built on a Toyota Sienna vehicles. The rubber brake hoses that attach to the rear wheel assembly may be too short, causing them to rub against the rear axle trailing arm.
Risk: The contact may cause failure of the rear brake hoses, resulting in a loss of vehicle control and reduced braking ability, increasing the risk of a crash.
Fix: Vantage will notify owners, and dealers will install a set of rear brake hoses that will provide the proper clearance, free of charge. The recall began December 16, 2019. Owners may contact Vantage customer service at 1-800-488-9082.
Service Brakes, Hydraulic:foundation Components:hoses, Lines/Piping, And Fittings 2019-06-04 · campaign 19V410000 · 705 vehicles
Defect: Braun Corporation (Braun) is recalling certain 2014-2019 Toyota Sienna mobility van conversions. The brake lines may have incorrect tube nut fittings installed, which may cause a pressure drop within the braking system.
Risk: The reduction in the braking system pressure may cause a loss of braking power in the rear braking system, increasing the risk of crash.
Fix: Braun has notified owners, and dealers will install an adaptor to correct the issue, free of charge. The recall began June 25, 2019. Owners may contact Braun customer service at 1-800-488-0359.
Structure:body:door 2016-11-29 · campaign 16V858000 · 744,437 vehicles
Defect: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain model year 2011-2016 Toyota Sienna minivans manufactured January 4, 2010, to August 12, 2016. If the power sliding door is unable to be opened when commanded, such as if the door is frozen shut, the door may subsequently open unexpectedly, possibly while the vehicle is moving.
Risk: If door opens while the vehicle is moving, there would be an increased risk of injury to the vehicle occupants.
Fix: Toyota will notify owners, and dealers will replace the junction block, rear sliding door wire harnesses, and install two sub wire harnesses, free of charge. The recall began on July 28, 2017. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is G04.
Seat Belts:front 2016-04-07 · campaign 16V197000 · 234 vehicles
Defect: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain model year 2016 Toyota Sienna vehicles manufactured February 15, 2016, to February 19, 2016. In the affected vehicles, incorrect front seat belt height adjusters may have been installed. During a crash, this incorrect height adjuster may contact the B-pillar and tear or separate.
Risk: Failure and detachment of seat belt height adjuster would result in the occupant not being properly restrained in a crash, increasing their risk of injury.
Fix: Toyota will notify owners, and dealers will replace the front seat belt height adjusters, free of charge. The recall began on April 29, 2016. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is G0H.
Service bulletins (291)
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.
Unknown Or Other 2026-01-07 · T-SB-0055-24 Rev2 · Service Bulletin/Repair Instructions
some 2005 – 2026 toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. follow the procedures in this bulletin to remediate the odor and address this condition. the purpose of this service bulletin is to provide general guidelines and procedures
Electrical System 2025-08-20 · T-TT-0790-25 · Service Bulletin/Repair Instructions
some customers may experience echoing on the line calling the vehicle when using bluetooth hands free. this is caused by the phone hands free volume being too low.
Electrical System 2025-06-13 · T-SB-0058-23 Rev1 · Service Campaign
the air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. the procedures outlined in this service bulletin aid in locating, inspecting, and repairing refrigerant leaks.
Structure:body 2024-12-06 · T-SB-0039-24 Rev2 · Service Bulletin/Repair Instructions
the condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. if these contaminants settle and remain on a painted vehicle surface, especially the horizonal areas of the hood, roof,
Structure:body 2024-12-06 · T-SB-0038-24 Rev2 · Service Bulletin/Repair Instructions
to prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. the purpose of the wheel film is to shield the disc brake rotor from weather elements and initial rust before the vehicle is delivered to the customer.
Structure:body 2024-12-06 · T-SB-0035-24 Rev2 · Service Bulletin/Repair Instructions
acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. if these acidic compounds settle on an exposed vehicle, especially the horizontal areas such as the hood, roof, and decklid, significant damage to the painted surfa
Showing the 6 most recent of 291 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-09-29 · Structure · 196,000 mi“the contact owned a 2016 toyota sienna. the contact stated that the vehicle was previously repaired under nhtsa campaign number: 16v858000 (structure); several years ago. the contact stated that the dealer only serviced the passenger’s side sliding door, even though the recall indicated that both doors were included. the contact stated that the dri…”
2025-08-11 · Structure:body“our van has recently been having issues with the sliding doors. it has occurred while driving and the warning light as well as the warning for a door open, and the door lights have came on. right before this occurs you can hear a click sound from the sliding door behind the driver's side as well as when you close the door, you can hear a strange so…”
2025-04-25 · Structure:body:door:hinge And Attachments“the contact owns a 2016 toyota sienna. the contact stated that the driver’s side electric sliding door failed to properly open and close, and occasionally abruptly closed, causing a safety hazard to the occupants entering and exiting the vehicle. the cause of the failure has not yet been determined. the local dealer and manufacturer were notified o…”
2025-04-07 · Wheels“excessive outer wear on front tires…”
2025-02-04 · Latches/Locks/Linkages:doors:latch · 70,000 mi“the contact owns a 2016 toyota sienna. the contact stated the driver-side sliding door latch failed to latch as intended. the contact stated that after several attempts, the sliding door failed to close completely. the contact stated that no warning light was illuminated. the vehicle was taken to an independent mechanic but was not diagnosed. howev…”
2024-02-11 · Power Train“after 80,000 miles have a loud whirling sound coming from rear, after inspection and online investigation found many many others with same issue, the dust cover and or o-ring doesn’t properly protect the rear bearing in the coupler. so while the fix is to remove the rear differential coupler, and replace the bearing with an improved version, seems …”
2023-06-18 · Air Bags · 💥 crash“a deer was struck on the driver to middle of the front of the van while traveling 75 mph on the highway. caused significant enough damage that van was inoperable. what was concerning was the airbags did not deploy despite the significant force and high speed associated with this accident.…”
2023-02-27 · Unknown Or Other“what component or system failed or malfunctioned, and is it available for inspection upon request? the engine/transmission and the vehicle is available for inspection upon request. how was your safety or the safety of others put at risk? while driving the vehicle at the rate of 55-60 mph, the vehicle came to a complete/instant stop without warnin…”
2023-02-10 · Structure:body“the rear sliding power door on the passenger side closed on my six year old child. he was trapped in the door and could not move until i opened the door. he has pain and visible injuries on his back from the door. this happened on 2.10.23. there have not been any incidents with the van leading up to this incident. this happened when the van was pa…”
2022-09-18 · Unknown Or Other“air conditioner works when it wants to. not sure what seems to be the issue.…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.