https://plaincars.com/make/toyota-sienna New NHTSA complaints and recalls filed for the Toyota Sienna. en-us Sat, 12 Sep 2026 05:10:01 GMT https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2178729 Thu, 19 Feb 2026 00:00:00 GMT The vehicle died while driving and when I try to start again it will crank but can't start. https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2177828 Tue, 17 Feb 2026 00:00:00 GMT The transmission started making a whining sound. There is a Toyota customer support bulletin pol19-04 that mentions this issue however the dealer says this car is not covered https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2176933 Sun, 15 Feb 2026 00:00:00 GMT Dear Sir, On April 2026, I need to do the semiannual smog check. Right now, I face DTC P0420 error code and I can't pass the smog check inspection. Note that I don't have the engine light on indicating the a/m error code. Only my OBD2 shows the error DTC Code P0420. I did some searhing and noticed that the ECM for Sienna should be updated to erase the a/m DTC code. I would appreciated to help me https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2174175 Fri, 06 Feb 2026 00:00:00 GMT i am having repeated issue with Toyota sienna engine 1. Engine oil leaks through timing chain cover 2. Engine coolant leak Engine oil leak keep repating even I fixed earlier and leaks again due poor engine design same issue fixed on Nov/22/20 - 59k https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2173126 Wed, 04 Feb 2026 00:00:00 GMT The contact owns a 2011 Toyota Sienna. The contact stated that the air bag warning light was intermittently illuminated while driving. The contact stated that the warning light turned off while restarting the vehicle. Additionally, the contact stated that the sliding doors failed to function automatically and required to be opened or closed manually. The contact stated that while attempting to ope https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2173127 Wed, 04 Feb 2026 00:00:00 GMT The contact owns a 2011 Toyota Sienna. The contact stated that the air bag warning light was intermittently illuminated while driving. The contact stated that the warning light turned off while restarting the vehicle. Additionally, the contact stated that the sliding doors failed to function automatically and required to be opened or closed manually. The contact stated that while attempting to ope https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2173128 Wed, 04 Feb 2026 00:00:00 GMT The contact owns a 2011 Toyota Sienna. The contact stated that the air bag warning light was intermittently illuminated while driving. The contact stated that the warning light turned off while restarting the vehicle. Additionally, the contact stated that the sliding doors failed to function automatically and required to be opened or closed manually. The contact stated that while attempting to ope https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2172605 Mon, 02 Feb 2026 00:00:00 GMT The contact owns a 2018 Toyota Sienna. The contact stated that while driving 30 MPH and ascending a hill, the vehicle started making an abnormal whining sound and hesitated while accelerating. The vehicle was driven to the dealer to be diagnosed. The vehicle was diagnosed with transmission failure. The manufacturer was notified of the failure. The failure mileage was approximately 126,000. https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2171727 Fri, 30 Jan 2026 00:00:00 GMT About 2 years after the 9/30/2019 purchase (new), the paint on the front engine hood began peeling & cracking. Calls to Parks Toyota were ineffective. Now the entire hood has pervasive cracks. The hood needs to be removed, sanded & painted with a more substantial, long-lasting paint. The paint used is supposed to contain an additional clear coat for protection. https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2171133 Thu, 29 Jan 2026 00:00:00 GMT The contact owns a 2012 Toyota Sienna. The contact was unable to use the driver's side cargo door. The contact stated that the door was possibly frozen; however, while driving at an undisclosed speed, the door opened unexpectedly. The contact referenced NHTSA Campaign Number: 16V858000 (Structure); however, the VIN was not associated with the recall. The dealer was not contacted, and the vehicle w https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2170607 Tue, 27 Jan 2026 00:00:00 GMT Dear sir/ madam, I am writing to report an issue with recall status reporting. All open recalls for my vehicle (VIN: [XXX] ) were completed at an authorized dealership on [01/27/2026]. I have documentation from the dealer confirming that the recall repairs were successfully performed. However, the recall status has not been updated in the NHTSA database and still appears as “open.” I request a https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2170033 Mon, 26 Jan 2026 00:00:00 GMT In August 2025, AutoNation Toyota on Sahara, checked the VIN of my Toyota Sienna and contacted Toyota while I was present. Toyota confirmed a broken fuel-door hinge was covered under a Customer Support Program. Instead, AutoNation attempted to repair, rather than replace, the hinge. This caused the metal fuel cap door to end up bent, paint to be gouged out from the bottom of the fuel door area, mi https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2170034 Mon, 26 Jan 2026 00:00:00 GMT In August 2025, AutoNation Toyota on Sahara, checked the VIN of my Toyota Sienna and contacted Toyota while I was present. Toyota confirmed a broken fuel-door hinge was covered under a Customer Support Program. Instead, AutoNation attempted to repair, rather than replace, the hinge. This caused the metal fuel cap door to end up bent, paint to be gouged out from the bottom of the fuel door area, mi https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2167993 Tue, 20 Jan 2026 00:00:00 GMT The contact owns a 2017 Toyota Sienna. The contact stated that while starting the vehicle, reversing, and then while driving 20 MPH, there was an abnormal whining sound coming from the front of the vehicle. A dealer was contacted. The vehicle was taken to the dealer and was currently being diagnosed. The vehicle was not repaired. The contact related the failure to Technical Service Bulletin: TSB-0 https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2167197 Fri, 16 Jan 2026 00:00:00 GMT Transmission has been whining. A P27137F Code appeared and the vehicle is only in 2WD mode currently. Concerned to drive vehicle due to further damaging transmission or getting stuck while on the road. https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2163514 Tue, 06 Jan 2026 00:00:00 GMT Odometer Fraud. The contact owned a 2009 Toyota Sienna. The contact discovered a mileage discrepancy after the vehicle was sold. The vehicle was a private sale. At the time of the sale, the vehicle mileage was 253,000. The contact posted the sale on Craigslist, and several days after the sale, the contact noticed that the vehicle was posted back on Craigslist for sale. The contact discovered that https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2163104 Mon, 05 Jan 2026 00:00:00 GMT My 2017 Sienna has whine noise coming from transmission, the vehicle was inspected by Toyota dealership and confirmed that the noise is coming from Transmission. Toyota has already issued a recall for the 2017 Sienna with Transmission UA80 under program ZJC. My vehicle has the same issue, however, it is not being covered as it is UA80E. This issue seems common among all the 2017 model irrespective https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2162427 Fri, 02 Jan 2026 00:00:00 GMT My husband and I bought this van brand new 6 years ago. We have taken very good care of it and have had it serviced only at the dealership. We haven’t had any problem with the van outside of regular maintenance. On 10/29/25, I had a van full of children when I felt a slip in my acceleration and a warning light came on that read, “ A malfunction in the electronic control of the engine, throttle, or https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2162049 Thu, 01 Jan 2026 00:00:00 GMT While driving, there was a recurrent sound like doors locking and unlocking, several dozen times over a half hour drive at 50 miles per hour. When stopped, the passenger side sliding door opened by itself. Luckily, my dogs were in a kennel or they might have jumped out of the car. I closed it and it opened by itself again. At home, the passenger side sliding door opens when my neighbor presses https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2161435 Tue, 30 Dec 2025 00:00:00 GMT The passenger-side power sliding door system failed to stop or reverse when it encountered physical interference with the vehicle’s open fuel door. The door continued opening under power despite clear obstruction by a fixed exterior body component. The affected components, including the sliding door mechanism and damaged fuel door latch, remain available for inspection upon request. A powered slid https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2160276 Wed, 24 Dec 2025 00:00:00 GMT The drivers side sliding door when on the power on, it will either not catch when opening or not shut when you are trying to shut it. You can be in the door way and it will shut on you by itself. You have to physically stop it or pull it shut. I have taken it in the past to the local Toyota dealership, when it was under warranty, multiple times. They don't see anything wrong, or cannot explain it https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2160277 Wed, 24 Dec 2025 00:00:00 GMT The drivers side sliding door when on the power on, it will either not catch when opening or not shut when you are trying to shut it. You can be in the door way and it will shut on you by itself. You have to physically stop it or pull it shut. I have taken it in the past to the local Toyota dealership, when it was under warranty, multiple times. They don't see anything wrong, or cannot explain it https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2155006 Sun, 07 Dec 2025 00:00:00 GMT Transmission has failed and been replaced. This is part of issues from 2017 to 2020 tranny failures, loud whining and needing to be replaced. Tranny failure is very dangerous to the occupants. Toyota has failed to warranty these. https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2151941 Tue, 25 Nov 2025 00:00:00 GMT I was at a red traffic light. I pressed the brake pedal. The vehicle wouldn't stop. The engine was revving. This happened twice within a month. https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2150155 Wed, 19 Nov 2025 00:00:00 GMT Subject: Safety Defect Complaint – 2017 Toyota Sienna (VIN: [XXX] ) Dear NHTSA Safety Division, I am submitting a safety complaint regarding my 2017 Toyota Sienna, VIN [XXX] . In June 2023, while traveling on I-81 South in Virginia with my family of seven, the van stalled suddenly and emitted white smoke from under the hood, then the engine completely failed. The vehicle had only 111,000 miles. Th https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2149276 Mon, 17 Nov 2025 00:00:00 GMT The contact's mother owns a 2004 Toyota Sienna. While the contact's mother was driving at an undisclosed speed, several unknown warning lights illuminated. The contact stated that the warning lights illuminated on and off for days and months. The vehicle was taken to an independent mechanic where DTC: P2241 was retrieved. The vehicle was not repaired. The contact was advised to take the vehicle to https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2149331 Mon, 17 Nov 2025 00:00:00 GMT Vehicle: 2011 Toyota Sienna XLE VIN: [XXX] Mileage: ~204,800 Incident Date: [XXX] Recent Service: Oil change, tire rotation, brake inspection, and multipoint inspection performed on November 10, 2025 at Fitzgerald Toyota Gaithersburg (Maryland). Description of the Defect: On [XXX] while driving with my child in the vehicle, my 2011 Toyota Sienna experienced a sudden and dangerous failure. A str https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2149332 Mon, 17 Nov 2025 00:00:00 GMT Vehicle: 2011 Toyota Sienna XLE VIN: [XXX] Mileage: ~204,800 Incident Date: [XXX] Recent Service: Oil change, tire rotation, brake inspection, and multipoint inspection performed on November 10, 2025 at Fitzgerald Toyota Gaithersburg (Maryland). Description of the Defect: On [XXX] while driving with my child in the vehicle, my 2011 Toyota Sienna experienced a sudden and dangerous failure. A str https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2149333 Mon, 17 Nov 2025 00:00:00 GMT Vehicle: 2011 Toyota Sienna XLE VIN: [XXX] Mileage: ~204,800 Incident Date: [XXX] Recent Service: Oil change, tire rotation, brake inspection, and multipoint inspection performed on November 10, 2025 at Fitzgerald Toyota Gaithersburg (Maryland). Description of the Defect: On [XXX] while driving with my child in the vehicle, my 2011 Toyota Sienna experienced a sudden and dangerous failure. A str https://plaincars.com/make/toyota-sienna https://plaincars.com/make/toyota-sienna#complaint-2147458 Mon, 10 Nov 2025 00:00:00 GMT Odometer Fraud. The contact purchased a 2015 Toyota Sienna. The vehicle was purchased from a private seller. The contact stated that while registering the vehicle at the local Department of Motor Vehicles, the contact was informed that the odometer mileage was last recorded at 141,000. The contact later purchased a Carfax report, which indicated the past mileage recorded at 287,000. The contact st