KnownCarProblems2018 Toyota Sienna Problems and Recalls
Owners filed 72 complaints with NHTSA about the 2018 Toyota Sienna, most often about the transmission (28% of complaints, typically around 35,000 miles). It is 19th of 21 Sienna model years by number of complaints and has 7 recalls.
Most common 2018 Toyota Sienna problems
Transmission
20 complaints · 28%Half of these problems showed up before 35,000 miles.
The contact owns a 2018 Toyota Sienna. While driving approximately 45-50 MPH, the accelerator pedal was depressed, but failed to respond. Additionally, the vehicle decelerated independently on occasion. The vehicle was not diagnosed or repaired. Larry h miller Toyota colorado springs (located at 5115 new car dr…
The van struggles to accelerate. There is no way to turn off eco mode. No button is available. Van struggles to go up hills , excelerate thru intersections and always hunting for gears or stuck in a gear and sounds and acts very heavy on power train end. There is an option to turn off eco light.turning off eco light…
Other or unspecified
13 complaints · 18%Half of these problems showed up before 10,000 miles.
We received a safety recall notice from Toyota for a defective low-pressure fuel pump on our 2018 Toyota Sienna. But the dealership, fowler Toyota of tulsa, would not replace the recalled part free of charge because of the vehicle being converted by a non-authorized mobility conversion company. So far the van has not…
I am unable to pay my renewal registration fee because there is no available remedy for the recall on my vehicle yet. I am not sure what to do at the moment. The dmv told me to contact my dealer. But my dealer responded by stating that there is no remedy to fix the vehicle yet. The dealer said that I should notify the…
Fuel system
13 complaints · 18%Half of these problems showed up before 35,000 miles.
The contact owns a 2018 Toyota Sienna. The contact stated that after coming to a complete stop, the vehicle hesitated without warning as the accelerator pedal was depressed. Upon investigation, the contact discovered NHTSA campaign number: 20v012000 (fuel system, gasoline) however, the parts to do the repair were…
The contact owns a 2018 Toyota Sienna. The contact stated while driving 70 MPH, the accelerator pedal was depressed however, the vehicle failed to respond. There was no warning light illuminated. The vehicle was taken to the local dealer hanlees davis Toyota (4202 chiles rd, davis, ca 95616, ([phone]) however, the…
Electrical
7 complaints · 10%Parts named most often: instrument panel.
3rd row power seats are malfunctioning and are operating while vehicle is in motion. Multiple times, and on different days, the power seats have started to close while passenger is seated and buckled in the seat. Occurred today while on the highway, at highway speed while my wife was seated in the drivers side 2 seat…
The contact owns a 2018 Toyota Sienna. The contact stated that while driving approximately 20 MPH, the master warning light illuminated and the vehicle stalled. The cause of the failure was not determined. An unknown dealer was notified of the failure. The manufacturer was not notified. The contact was informed that…
Body and structure
5 complaints · 7%Parts named most often: body.
The contact owns a 2018 Toyota Sienna. The contact stated that the carpet on the driver side near the accelerator and brake pedals was loose and made contact with the driver's foot while driving. The vehicle was taken to cain Toyota (6527 whipple ave nw, north canton, oh), but the failure was not repaired. The…
The automatic sliding doors do not have an auto/emergency stop if something impedes their shutting. A child can get crushed if an adult is not there to stop the doors. Even though I was there it was very hard for me (an adult) to stop the doors from closing. Yes, the child was wrong for pushing the close button then…
Engine
5 complaints · 7%The contact owns a 2018 Toyota Sienna. While driving at low speeds making a right turn the oil warning indicator light illuminated and contact noticed the oil was low. The vehicle was taken to mechanicsville Toyota 6546 mechanicsville turnpike, mechanicsville, va 23111([phone] where it was diagnosed that the oil was…
Mobility works sold me a car,that had a recall,designed for special needs,they knew avout it plus the ramp wasnt working properly,made me pay for an expensive warranty that doesnt cover the problem that already has,they are blaming me for misuse I got it 4 months ago my son doesnt weight more than 100 pounds
Speed control
5 complaints · 7%The van struggles to accelerate. There is no way to turn off eco mode. No button is available. Van struggles to go up hills , excelerate thru intersections and always hunting for gears or stuck in a gear and sounds and acts very heavy on power train end. There is an option to turn off eco light.turning off eco light…
The contact owns a 2018 Toyota Sienna. While driving approximately 45-50 MPH, the accelerator pedal was depressed, but failed to respond. Additionally, the vehicle decelerated independently on occasion. The vehicle was not diagnosed or repaired. Larry h miller Toyota colorado springs (located at 5115 new car dr…
Air bags
5 complaints · 7%Parts named most often: side/window.
Takata recall (?) we purchased this van on 4/18/2019, previously the van was a rental. The next evening, going to dinner on a friday night about 9 p.m. I was on a 2 lane road in a rural area, traveling at 60 MPH and a dog walked in front of me. I had no time to react. The front end of the van was laying in the road…
The contact owned a 2018 Toyota Sienna. The contact stated while driving at 74 MPH, a deer ran across the freeway, and as a result, the contact crashed into the deer. The air bags failed to deploy. A police report was filed. The contact sustained a sore shoulder but did not require medical treatment. The was not…
Complaints are owner reports to NHTSA, not verified defects. One complaint can name several components, so shares add up to more than 100%.
2018 Toyota Sienna recalls
Fuel system: fuel pump
Risk: If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.
Fix: Toyota will notify owners, and dealers will replace the fuel pump assembly with an improved one, free of charge. Owners of specific models were notified that remedy parts were available starting january 21, 2021. Owners of other models will be notified as remedy parts become available. Remedy parts should be available for all affected vehicles by late march 2021. Owners may contact toyota customer service at 1-888-270-9371 or lexus customer service at 1-800-255-3987. Note: this recall is an expansion of recall 20v-012. Toyota's number for this recall is 20ta02. Lexus' number for this recall is
Full defect summary
Toyota motor engineering & manufacturing (toyota) is recalling certain 2018-2019 4runner, 2019-2020 avalon, 2019 corolla hatchback, 2017-2019 highlander, 2018-2020 camry, 2020 corolla, 2018-2019 land cruiser, 2017-2020 tacoma, 2019-2020 rav4, 2019-2020 sequoia, 2017-2020 sienna, 2019-2020 tundra, 2018-2020 lexus es350, 2017 lexus gs200t, 2017-2019 lexus gs350, 2019 lexus gs300, 2018-2020 lexus lc500h, 2019-2020 lexus ls500, 2018-2019 lexus gx460, 2017 lexus is200t, 2019 lexus is300, 2019 lexus is350, 2018-2020 lexus lc500, 2018 lexus ls500, 2019 lexus ls500h, 2018-2019 lexus lx570, 2017 lexus rc200t, 2019 lexus rc300, rc350, 2017 and 2019-2020 lexus rx350, 2018-2020 rx350l, 2019 lexus ux200, 2018-2019 lexus nx300 vehicles. The low-pressure fuel pump inside the fuel tank may fail.
Fuel system: fuel pump
Risk: If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.
Fix: Toyota will notify owners, and dealers will replace the fuel pump, free of charge. The recall began may 4, 2020. Owners may contact toyota customer service at 1-888-270-9371 or lexus customer service at 1-800-255-3987. Toyota's numbers for this recall are 20tb02 and 20ta02 for toyota vehicles and 20lb01 and 20la01 for lexus vehicles.
Full defect summary
Toyota motor engineering & manufacturing (toyota) recalled certain 2018-2019 4runner, highlander, camry, land cruiser, sequoia, sienna, tacoma and tundra, and lexus rc 300, rc 350, gs 350, gx 460, is 300, lc 500, ls 500, lx 570, rx 350l, and 2019 toyota avalon and corolla, and certain lexus nx 300, and es 350 vehicles on january 13, 2020. On march 4, 2020, toyota expanded the recall to include certain 2014-2015 toyota 4runner and land cruiser, 2018 avalon, corolla, 2014 fj cruiser, 2017 sienna and lexus 2018 es 350, 2018-2019 gs 300, 2013-2014 gs350, 2014-2015 gx 460, is 350 and lx 570, 2014 is f, 2018-2019 is 350, lc 500h and ls 500h, 2013-2015 ls 460, 2015 nx 200t and rc350, 2017 rc 200t and rx 350. Toyota also removed the 2018-2019 toyota 4runner and land cruiser and 2018-2019 lexus gx 460 and lx 570 and 2019 nx300 from inclusion in this recall. On march 19, 2020, toyota expanded the
Brakes: hoses, lines/piping, and fittings
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.
Full defect summary
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.
Steering
Risk: If the steering shaft extension completely fractures, it can cause a loss of steering, increasing the risk of a crash.
Fix: Braun has notified owners, and dealers will replace the steering shaft extensions, free of charge. The recall began july 25, 2019. Owners may contact braun customer service at 1-800-488-0359.
Full defect summary
Braun corporation (braun) is recalling certain modified 2017-2020 toyota sienna vehicles. The steering shaft extensions may have been improperly manufactured, possibly causing the extensions to fracture.
Equipment: labels
Risk: An incorrect label may lead to unintentionally overloading the vehicle, increasing the risk of a crash.
Fix: Set will notify owners and provide a corrected label for placement over the inaccurate label, free of charge. The recall began august 23, 2019. Owners may contact toyota customer service at 1-888-270-9371. Set's number for this recall is set19a.
Full defect summary
Southeast toyota distributors, llc (set) is recalling certain 2017-2019 toyota camry, corolla, rav4, sienna, and yaris ia vehicles equipped with factory-installed floor mats. The load carrying capacity modification label may be incorrect. As such, these vehicles fail to comply with the requirements of federal motor vehicle safety standard (fmvss) number 110, "tire selection and rims."
Brakes: hoses, lines/piping, and fittings
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.
Full defect summary
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.
Wheels and tires: wheels
Risk: If the wheels crack at the spokes, the wheel may separate from the hub assembly causing a loss of vehicle control and increasing the risk of a crash.
Fix: Toyota began notifying owners initially by phone on february 26, 2018 and will mail letters to any unnotified owner starting on april 20, 2018. Dealers will inspect the wheels and replace them if necessary depending on their production location, free of charge. Owners may contact toyota customer service at 1-888-270-9371. Toyota's number for this recall is j0j.
Full defect summary
Toyota motor engineering & manufacturing (toyota) is recalling certain 2018 toyota sienna vehicles built with a specific lot of 10-spoke alloy wheels from one production facility. These wheels may not have been properly cooled during manufacturing. As a result, the wheels may crack in the spokes from an impact while driving.
Recall repairs are free at any franchised dealer. Enter your VIN at nhtsa.gov/recalls to see which recalls are still open on your car.
Questions about the 2018 Toyota Sienna
- What are the most common problems with the 2018 Toyota Sienna?
- By NHTSA owner complaints: transmission (20 complaints, typically around 35,000 miles); other or unspecified (13 complaints, typically around 10,000 miles); fuel system (13 complaints, typically around 35,000 miles).
- How many recalls does the 2018 Toyota Sienna have?
- 7 recalls listed by NHTSA, the latest from November 4, 2020 (fuel system). Check your VIN at nhtsa.gov/recalls to see which ones are still open on your car.
- Is the 2018 a bad year for the Toyota Sienna?
- It is 19th of 21 Sienna model years by number of complaints, with 72 complaints. Complaint counts are not adjusted for how many cars were sold, so popular years collect more of them, and the newest years have had less time to.