What Owners Report NHTSA ODI · 2,175,102 complaints · MY1998–2026

2018 Toyota Sienna

Typical pattern

10.3% of complaints about the 2018 Toyota Sienna came in the first year, which is unremarkable for a 2018 vehicle — around the middle of the 182 model-years on record. The median complaint arrives at 2.9 yr in service. The most-reported system is power train (18 complaints), typically at 6.8 yr or about 35,000 miles.

Complaints
87
Median age at failure
2.9 yr
Median mileage
24,000 n=48
Crash / fire / tow
6.9% of reports
Safety recalls
7

When each system is reported — middle 50% of complaints

System
0y2y4y6y8y10y12y14y
Power train
18 reports · 35,000 mi
6.8 yr
0%

Safety recalls — NHTSA campaigns

20V682000 2020-11-04
Fuel system, gasoline:delivery:fuel pump

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

If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.

20V012000 2020-01-13
Fuel system, gasoline:delivery:fuel pump

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

If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.

19V553000 2019-07-25
Service brakes, hydraulic:foundation components:hoses, lines/piping, and fittings

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.

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.

19V532000 2019-07-16
Steering

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.

If the steering shaft extension completely fractures, it can cause a loss of steering, increasing the risk of a crash.

19V503000 2019-06-28
Equipment:other:labels

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."

An incorrect label may lead to unintentionally overloading the vehicle, increasing the risk of a crash.

19V410000 2019-06-04
Service brakes, hydraulic:foundation components:hoses, lines/piping, and fittings

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.

The reduction in the braking system pressure may cause a loss of braking power in the rear braking system, increasing the risk of crash.

18V130000 2018-02-22
Wheels

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.

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.

In owners’ own words

Power train mileage not reported 10 mo in service
MY 2018 SIENNA LE IS EXPERIENCING ACCELERATION PROBLEMS. I HAD THE SOFTWARE UP DATED BUT AFTER APPROXIMATELY 1,000 MILES THE PROBLEM IS RETURNING. THIS PROBLEM IS ESPECIALLY UNSAFE WHEN MERGING ONTO THE HIGHWAY.
Power train 4,500 mi 1.1 yr in service
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 DOES NOTHING BUT HIDE THE PROBLEM. WE NEED AN OPTION TO COMPLETE DISABLE ECO MODE WITH UPDATE OR WITH A BUTTON.
Power train mileage not reported 1.3 yr in service
2018 TOYOTA SIENNA LE. CONSUMER WRITES IN REGARD TO DELAYED ACCELERATION WHICH IS CAUSING TRANSMISSION DAMAGE. *AS *TR

Other Sienna model years

201820172016201520142013201220112010200920082007200620052004200320022001200019991998

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