complaints.title

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39 complaints
TOYOTA SIENNA HYBRID 2024 POWER TRAIN
low
Unexplained acceleration during braking which has caused the vehicle to appear to accelerate further during braking actions causing driver to apple brakes harder
NHTSAUSJul 2026Source →
TOYOTA SIENNA HYBRID 2024 EXTERIOR LIGHTING
high
Rear Tail Lights Failed... Brake and Signals work. This was repaired through the dealership. 4 connectors and housing replaced invoice shows part 909890-10942. I am writing to express my concern re
NHTSAUSJul 2026Source →
TOYOTA SIENNA HYBRID 2024 STRUCTURE:BODY:HATCHBACK/LIFTGATE
high
The power liftgate on my 2024 Toyota Sienna consistently fails to complete a full close-and-latch cycle. When activated, the liftgate begins its closing sequence normally but then aborts the cycle dur
NHTSAUSJun 2026Source →
TOYOTA SIENNA HYBRID 2024 SERVICE BRAKES
low
When approaching a stop sign or light and while the brake is already engaged the car will accelerate lunging the car forward from 3-10ft while driver maintains the same pressure on the break pedal.
NHTSAUSJun 2026Source →
TOYOTA SIENNA HYBRID 2024 UNKNOWN OR OTHER
low
While applying the brake at the stop light. (25 to30 mile speed limit zone) The Toyota hybrid sienna start to accelerate for split 5 or more seconds. I have to apply the brake harder even though I wa
NHTSAUSMay 2026Source →
TOYOTA SIENNA HYBRID 2024 ENGINE
medium
What component or system failed or malfunctioned, and is it available for inspection upon request? -The engine malfunctioned. It is available for inspection. How was your safety or the safety of oth
NHTSAUSMay 2026Source →
TOYOTA SIENNA HYBRID 2024 FORWARD COLLISION AVOIDANCE
high
The contact owns a 2024 Toyota Sienna. The contact stated that while approaching a stop light and pressing the brake pedal the vehicle crashed into the rear of a second vehicle. During the crash the c
NHTSAUSMay 2026Source →
TOYOTA SIENNA HYBRID 2024 SEATS
high
I notice the driver seat had a clip that popped off unto my carpet, when inspected it came off the seat rail. While moving my seat back using the electronic seat lever a white clip with two metal bear
NHTSAUSMay 2026Source →
TOYOTA SIENNA HYBRID 2024 UNKNOWN OR OTHER
low
Stepping on brakes - Car slows then accelerates a few seconds and lunges forward a couple of feet. Extreme safety issue. This occurred yesterday with my sister in the car and we almost rear ended th
NHTSAUSMay 2026Source →
TOYOTA SIENNA HYBRID 2024 SERVICE BRAKES, HYDRAULIC
medium
The contact owns a 2024 Toyota Sienna Hybrid. The contact stated that while the vehicle was at a complete stop, while attempting to depress the brake pedal, the vehicle unexpectedly lunged forward. Th
NHTSAUSApr 2026Source →
TOYOTA SIENNA HYBRID 2024 VEHICLE SPEED CONTROL
medium
I am reporting a possible safety defect in my 2024 Toyota Sienna Hybrid AWD, VIN [XXX] . The vehicle intermittently surges, lurches, or creeps forward while I am pressing the brake pedal and attempti
NHTSAUSApr 2026Source →
TOYOTA SIENNA HYBRID 2024 UNKNOWN OR OTHER
medium
While driving on highway, on 3/11/26, car powered down. I had to coast to side of highway. I was able to turn vehicle on after several minutes, but SEVERAL system malfunction error messages (hybrid, a
NHTSAUSMar 2026Source →
TOYOTA SIENNA HYBRID 2024 ENGINE
low
My 2024 toyota sienna suddenly stopped for 2-3 seconds while driving in the city roads. I was caught off-guard with that behavior. I kept pushing on my gas pedal and after few hard pumps the power ca
NHTSAUSFeb 2026Source →
TOYOTA SIENNA HYBRID 2024 TIRES:SIDEWALL
high
Incident Description (Firestone Destination LE3 – P235/65R17) I purchased four new Firestone Destination LE3 tires (size P235/65R17, DOT IW2 8ILE31) and within the first week three of them develope
NHTSAUSNov 2025Source →
TOYOTA SIENNA HYBRID 2024 VEHICLE SPEED CONTROL
low
Looked online to see if other Sienna drivers had the same issue with the hybrid system. Brakes are accelerating a bit even when already pressing on the brakes. It has happened enough times to be conce
NHTSAUSOct 2025Source →
TOYOTA SIENNA HYBRID 2024 UNKNOWN OR OTHER
low
On various occasions while braking there is a sudden acceleration that occurs. Generally lasting less than 5 seconds. More noticeable going down hills but has occurred on standard driving. Date provi
NHTSAUSSept 2025Source →
TOYOTA SIENNA HYBRID 2024 SERVICE BRAKES
low
On rare occasions (about once every 500 miles), when uniformly applying force to the brake pedal, the deceleration suddenly ceases and the vehicle seems to jerk forward. To a passenger, it feels like
NHTSAUSAug 2025Source →
TOYOTA SIENNA HYBRID 2024 SERVICE BRAKES
low
Intermittent unexpected acceleration during braking. This has occurred while braking into a downhill as well as at low speeds when turning into a parking space. Additional braking is required t
NHTSAUSAug 2025Source →
TOYOTA SIENNA HYBRID 2024 STRUCTURE:BODY:HATCHBACK/LIFTGATE:SUPPORT DEVICE/STRUT
high
The lift gate strut bent when I tried to close the rear door, then when I tried to open the door to see what the issue was, the strut exploded. The parts went flying and almost hit me in the face, I c
NHTSAUSJun 2025Source →
TOYOTA SIENNA HYBRID 2024 UNKNOWN OR OTHER
medium
On June 5 th the vehicle was going approximately 50 miles per hour in the middle lane. I placed on the brakes suddenly and car lost power and stalled out. Unable to restart vehicle for 5-10 minutes o
NHTSAUSJun 2025Source →