2019 TOYOTA SIENNA Complaints

View complaints related to 2019 TOYOTA SIENNA. The complaints found here are submitted by actual consumers with first hand experience. There are more than 50 complaints submitted for the 2019 TOYOTA SIENNA. You can submit your own complaint to the NHTSA or call the Hotline, Monday-Friday 8am to 8pm at (888) 327-4236, TTY: (800) 424-9153.

  • 2019 TOYOTA SIENNA
    - GILBERT, AZ

    I HAVE A CONCERN THAT THE FRONTAL IMPACT SENSOR ON MY VAN MAY NOT BE WORKING. I BOUGHT THE VAN NEW ABOUT 3 WEEKS AGO. IN THAT TIME I HAVE DRIVEN IT AROUND TOWN, ON THE FREEWAY AND MADE A ROUNDTRIP TO CAL. IN THAT ENTIRE TIME I HAVE NEVER RECEIVED ANY TYPE OF AUDIBLE OR VISUAL ALERT THAT A FRONTAL IMPACT IS ABOUT TO HAPPEN. I HAVE THE SENSITIVITY SET TO VERY HIGH. OVER THE COURSE OF THE LAST FEW WEEKS, I HAVE TRIED TO SAFELY SIMULATE THE CONDITIONS IN WHICH THE FRONTAL IMPACT SHOULD ACTIVATE, BUT I HAVE NOT HEARD ANYTHING OR SEEN ANY TYPE OF VISUAL ALERT. I TOOK IT INTO THE DEALERSHIP TODAY AND WAS TOLD EVERYTHING IS FINE WITH IT. HOWEVER, I STILL BELIEVE THAT IT IS NOT WORKING CORRECTLY, SINCE THE VEHICLE HAS NEVER MADE ANY TYPE OF AUDIBLE OR VISUAL ALERT OR WARNING.

    Source: NHTSA WEB SITE
  • 2019 TOYOTA SIENNA
    - SAN RAMON, CA

    AS SOON AS I GOT HOME AFTER PURCHASING MY 2019 TOYOTA SIENNA SE, I NOTICED THE POPPING NOISE COMING FROM BOTH FRONT DOOR HINGES. I GUESS I MISSED THAT POPPING NOISE WHEN I TOOK THE DELIVERY OF THE CAR AT THE DEALERSHIP. THE POPPING NOISE CAN BE HEARD EVERY TIME EITHER FRONT DOORS HINGES ARE IN MOTION. I HAVE READ THAT MANY OF THE PREVIOUS YEAR TOYOTA SIENNAS HAS THE SAME POPPING NOISE ISSUE DUE TO THE DEFECTIVE DOOR CHECK POCKETS.

    Source: NHTSA WEB SITE
  • 2019 TOYOTA SIENNA
    - DELTON, MI

    IMMEDIATELY AFTER PURCHASING THIS NEW 2019 TOYOTA SIENNA I BECAME AWARE OF THE VEHICLE HAVING ACCELERATION PROBLEMS WHILE ATTEMPTING TO ACCELERATE GRADUALLY IN A LOW SPEED/LOW TORQUE SETTING. THIS OCCURS AT WHAT COULD BE DESCRIBED AS PARKING LOT SPEEDS, 5 TO 25 MPH, PRIMARILY, ALTHOUGH THE VEHICLE HESITATES AND THEN LURCHES ALSO AT HIGHER SPEEDS WHEN DOWNSHIFTING TO GAIN TORQUE IN A 30-50 MPH RANGE ALSO. THIS HESITATION, BALKING, AND THEN RAPID LURCHING FORWARD AT LOW SPEEDS HAS CAUSED PASSENGERS TO COMMENT ABOUT "WHIPLASH" AND BEING PUSHED BACK INTO THEIR SEATS WHEN THE VEHICLE DOES ENGAGE WITH UNEXPECTED FORWARD MOTION. THIS VEHICLE WAS PURCHASED ON 2-18-2019. AFTER DRIVING THE VEHICLE FOR A REASONABLE AMOUNT OF TIME AND MILES I CONTACTED OUR SALES AGENT WHO SET A SERVICE APPOINTMENT FOR MONDAY FEB 25, 2019. ON 2-25-2019 I DROVE THE VEHICLE TO THE DEALER'S SERVICE DEPT WITH "MILEAGE IN" OF 250 MI. AND "MILEAGE OUT" OF 251. SERVICE INVOICE NUMBER 784852 STATES THAT THE ECU WAS CALIBRATED AND RESET. UPON DRIVING THE VEHICLE IT BECAME OBVIOUS THAT THE PROBLEMS WERE NO DIFFERENT AND PERHAPS WORSE. ON MARCH 1, 2019 I RETURNED THE VEHICLE TO THE DEALER AND TOOK THE SERVICE MANAGER AND A TECH-EXPERT FOR A RIDE. THE TECH ACKNOWLEDGED THE STALL AND LURCH PHENOMENON AND SAID HE "HAS DEALT WITH THIS BEFORE". THE TECH AND THE SERVICE MANAGER TOLD ME THEY WERE OPENING A CASE WITH TOYOTA FOR POSSIBLE INPUT TO RESOLVE THIS PROBLEM. I BELIEVE THIS A SERIOUS POTENTIAL SAFETY ISSUE AS THE FORWARD LURCHING OF THE VEHICLE COULD RESULT IN SERIOUS INJURY AS A RESULT VEHICLE DESIGN AND ENGINEERING. OTHER TOYOTA OWNERS HAVE DISCUSSED THIS PROBLEM VIA INTERNET FORUMS. IT WOULD APPEAR TO AFFECT 2018 & 2019 SIENNAS WITH "THROTTLE BY WIRE" DESIGN AND THEIR 8 SPEED TRANSMISSION.

    Source: NHTSA WEB SITE