2015 Toyota Sienna problems, complaints & recalls
Most-reported problem areas: Structure:body (50) · Electrical System (18) · Wheels (14)
🧭 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
130 NHTSA complaints that reported an odometer reading.
Safety recalls (6)
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.
Structure:body:roof And Pillars 2015-04-22 · campaign 15V240000 · 387 vehicles
Defect: Gulf States Toyota, Inc. (GST) is recalling certain model year 2015 Toyota Sienna vehicles manufactured January 23, 2015, to April 13, 2015, and equipped with non-Toyota-brand overhead entertainment accessories installed by GST. During reassembly of the interior after the overhead entertainment system installation, a trim panel securing clip may have been reused instead of being replaced.
Risk: If the clip was damaged during the entertainment system installation, in the event of a side curtain air bag deployment, the trim panel may detach and strike one of the vehicle occupants, increasing the risk of injury.
Fix: GST will notify owners, and dealers will replace the trim panel securing clip, free of charge. The recall began June 5, 2015. Owners may contact GST customer service at 1-800-444-1074. GST's number for this recall is 15R1.
Structure:body:roof And Pillars 2015-04-21 · campaign 15V236000 · 262 vehicles
Defect: Southeast Toyota Distributors, LLC (SET) is recalling certain model year 2015 Sienna vehicles manufactured September 1, 2014, to April 13, 2015 and equipped with overhead entertainment accessories installed by SET. During reassembly of the interior after the overhead entertainment system installation, a trim panel securing clip may have been reused instead of being replaced.
Risk: If the clip was damaged during the entertainment system installation, in the event of a side curtain air bag deployment, the trim panel may detach and strike one of the vehicle occupants, increasing the risk of injury.
Fix: SET will notify owners, and dealers will replace the trim panel securing clip, free of charge. The recall began on May 22, 2015. Owners may contact SET customer service at 1-866-405-4226. SET's number for this recall is SET15B.
Air Bags:side/Window 2014-11-26 · campaign 14V757000 · 25,551 vehicles
Defect: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain model year 2015 Sienna vehicles manufactured September 2, 2014, to November 25, 2014. In the event of a crash that necessitates the deployment of the curtain shield airbag (CSA), the second row overhead assist grips may detach.
Risk: If the assist grip detaches due to CSA deployment, the grip may strike a vehicle occupant, increasing the risk of injury.
Fix: Toyota will notify owners, and dealers will modify the headliner near the second row overhead assist grip, free of charge. The recall began on January 15, 2015. Owners may contact Toyota customer service at 1-800-331-4331.
Service bulletins (347)
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 2025-06-13 · 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
Structure:body 2024-12-05 · T-SB-0061-23 Rev2 · Service Bulletin/Repair Instructions
toyota vehicles are currently protected with rapgardtm protective film designed to protect the horizontal painted surfaces. this material protects from acid rain, environmental fallout, and rail contamination. follow the removal procedure in this bulletin to remove the rapgardtm protective film wi
Showing the 6 most recent of 347 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-10-07 · Unknown Or Other“1) 2015 toyota sienna sliding door is faulty and can cause the door to open at anytime. they need to replace the junction block, rear sliding door wire harness and wire as part of existing recall g04. it was completed for driver side in 2024 and recall was marked complete however in 2026 the passenger side is encountering same issue. this put…”
2026-09-20 · Structure:body“this is the 2nd occurrence where sliding door cable breaks and the doors are disabled where you can not open or close the sliding door and its jammed shut. attempts to press the power sliding door buttons do not work. this is the 2nd occurrence on this vehicle. the first occurrence happened approximately 3 years ago with the driver sliding door and…”
2026-09-10 · Unknown Or Other“the cable that controls the sliding door lock disconnected leaving the door inoperable. according to the dealership, as well as, toyota corporate, this is a common ongoing issue. this is a safety hazard and should be recalled immediately. …”
2026-08-26 · Engine“component failed & availability: the engine on my 2015 toyota sienna (99,000 miles) catastrophically failed and is completely seized. the vehicle and engine are in my possession and are fully available for physical inspection. safety risk: the vehicle shut down completely while in motion, causing an immediate loss of motive power, power steering, …”
2026-07-17 · Engine“i am submitting this complaint to request that the national highway traffic safety administration (nhtsa) document and evaluate what may be a broader defect affecting certain toyota sienna vehicles and determine whether it presents a potential safety-related defect trend. my 2015 toyota sienna was diagnosed by an authorized toyota dealership with a…”
2026-07-16 · Tires“i have requested urgent warranty evaluation regarding two kumho solus ta51a tires installed on my toyota sienna (model: kumho solus ta51a, size: 235/60r17 102h, dot: 1824) both front tires are exhibiting abnormal tread chunking and visible surface shredding. the tires are relatively new (purchased about 1-1.5 years ago) and have not been heavily u…”
2026-06-18 · Steering“my 2015 toyota sienna has “sticky” steering. when on a curve, like an highway curved ramp, the steering locks in place. i have to pull the steering wheel back to keep the car on track. when it sticks i can literally let go on a curve and it will hold it’s position. even when driving straight this occurs. the steering wheel will stick in place requi…”
2026-05-22 · Unknown Or Other“rain water leaking into the parked vehicle on the driver and passenger seat belts, potentially weakening the belts and creating odor.…”
2026-04-22 · Power Train“on april 15, 2026 report filed with nhtsa from an accident-causing property damage due to a failure in the shifter mechanism while the vehicle was parked, ignition off, no keys in the vehicle and the brake pedal was not pressed. manufacture initiated an investigation after we contacted their customer care line. our vehicle was taken to a toyota dea…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.