2015 Toyota Sienna: engine and transmission complaints
NO ELEVATED SIGNAL
16%
33 of 231 relevant owner complaints are about the engine, transmission or fuel system
No elevated drivetrain complaint concentration in the available NHTSA records for the 2015 Toyota Sienna. Engine, transmission and fuel system account for 16% of relevant complaints.
Better than 92% of the 1,230 model years we track (2010–2023).
Manufacturers fix things mid-generation. A bad year next to a clean one is common; the fix usually arrived in between.
What owners reported
ENGINE03/31/2017FIRE2 INJURED
TL* THE CONTACT OWNS A 2015 TOYOTA SIENNA. WHILE STATIONARY, THE VEHICLE CAUGHT FIRE WITHOUT WARNING. THE CONTACT STATED THAT SMOKE CAME FROM THE ENGINE COMPARTMENT AND FLAMES EMERGED DIRECTLY AFTERWARD. A POLICE REPORT WAS FILED. THE FIRE DEPARTMENT EXTINGUISHED THE FIRE. THE CONTACT'S TWO CHILDREN RECEIVED MEDICAL TR…
ENGINE08/26/2026
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 …
ENGINE07/17/2026
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 autho…
Three of 33 drivetrain complaints. The full report shows more, with quotes about the engine in the car you are looking at first.
Recall campaigns on this model year (6)
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 ma…
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 …
STRUCTURE:BODY:DOOR
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain model year 2011-2016 Toyota Sienna minivans manufactured January 4, 2010, to August 12, 2016. If t…
This does not say whether a particular car has an open, unrepaired recall. That depends on the VIN.
Before you buy a 2015 Toyota Sienna
No elevated drivetrain pattern for this model year. That describes the model, not the car in front of you.
Get an independent pre-purchase inspection from a mechanic you choose.
6 recall campaigns on this model year. Whether a specific car still has one open depends on the VIN; the report checks that.
Ask for service records. A engine already replaced under warranty is a different car from one that was not.
Have the VIN?Paste it and get the full report for that car. First report free, then a 30-day pass covers a whole car search.
Experimental model-level information. This is not a vehicle inspection, vehicle-history
report, financial advice or purchase recommendation. It describes patterns across a model year, not the condition
of any individual vehicle.
