There are 7 owner-reported air bags & restraints complaints for the 2017 Toyota Siennain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owned a 2017 Toyota Sienna. The contact stated that while driving alone at 70 MPH and attempting not to hit tire tread in the road, she crashed into the median, her vehicle drove into a ditch, the vehicle spun twice, and then crashed head-on into a tree where it came to a stop. The driver's side air bags did not deploy, but the passenger air bags deployed when there was no occupant seated. The contact sustained neck and back injuries, and medical attention was sought via the hospital. A police report was filed, but it was not available at this time. The vehicle was towed to a tow lot. The manufacturer was not notified of the failure. The failure mileage was 216,000.
On [XXX], I was involved in a car accident in Saint John, Indiana, while driving my 2017 Toyota Sienna. The vehicle was hit on the passenger side, but none of the airbags deployed. As a result, I sustained serious injuries including cervical disc herniations, nerve compression, and ongoing pain. Since then, I’ve been unable to perform daily tasks, drive, care for my children, or work as I did before. I confirmed with Toyota that my vehicle has no active recalls, including for airbags, yet this failure occurred. There were no warning lights or messages prior to the incident. The airbag system has not yet been inspected or confirmed defective by a service center, but I am willing to make the vehicle available for inspection if needed. I am requesting that NHTSA investigate this failure, as it may represent a serious safety defect that could affect others driving the same model. I can provide supporting documentation, including medical records, police report, and photos of the vehicle. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
2nd row passenger side seat belt receptacle is not latching seat belt. The contact stated that a replacement part was ordered but not needed. It was discovered that the original part had debris inside and was cleaned out. The original part started working again and a repair was no longer needed.
REAR SEAT BELT WOULD NOT LOOSEN. IT ONLY TIGHTEN UP TRAPPING CHILD IN SEAT. THE ENGINE WAS TURNED OFF AND VEHICLE WAS IN PARK. NOTE I DON'T REMEMBER EXACT DATE BUT APPROXIMATE DATE.
WHILE WAITING IN TRAFFIC ON A COUNTY ROAD TO TURN LEFT, OUR SIENNA WAS HIT FROM BEHIND BY A CAR TRAVELING AT APPROXIMATELY 40 MPH. FRONT ROW SEATBELTS DID NOT ENGAGE, NOR DID FRONT AIRBAGS DEPLOY. OUR SIENNA HIT THE STOPPED VEHICLE IN FRONT OF US UPON IMPACT AS WELL. ONLY RIGHT SIDE CURTAIN AIRBAGS DEPLOYED AND MIDDLE ROW SEATBELTS RESTRAIN. THIS RESULTED IN MULTIPLE INJURIES TO THE FRONT ROW PASSENGERS, INCLUDING A SEVERE CONCUSSION.
TL* THE CONTACT OWNS A 2017 TOYOTA SIENNA. WHILE THE CONTACT WAS ATTEMPTING TO LATCH HIS SIX YEAR OLD CHILD IN THE REAR MIDDLE SEAT BELT, THE SEAT BELT FAILED TO MOVE. THE CONTACT PULLED THE SEAT BELT HARDER IN ORDER TO MAKE THE SEAT BELT MOVE TO LATCH, AND NOTICED THAT THE FABRIC WAS SHREDDED. THE VEHICLE WAS TAKEN TO TOYOTA CARLSBAD (5424 PASEO DEL NORTE, CARLSBAD, CA 92008, (760) 438-2000). THE CONTACT WAS INFORMED THAT THE SEAT BELT WOULD BE REPAIRED AS A COURTESY. THE DEALER STATED THAT IT LOOKED AS IF THE SEAT BELT HAD BEEN CUT. THE CONTACT STATED THAT THE DEALER WOULD NOT EXPLAIN THE FAILURE OF THE SEAT BELT OR WHEN THE SEAT BELT RETRACTED. THE SEAT BELT FAILURE WAS NOT UNDER WARRANTY. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 20,000. THE VIN WAS NOT AVAILABLE. .*BF *TR
OUR 2016 SIENNA WHICH WE PURCHASED LAST MAY ACCELERATED ON IT'S OWN ON 2/16/2017 GOING THROUGH OUR SOUTH OUTSIDE WALL AND MASTER BATHROOM OF OUR HOUSE. MY HUSBAND LEFT THE VAN IN THE DRIVEWAY, UNLOADED THE GROCERIES, THEN GOT BACK INTO THE VAN, STARTED IT, PUT HIS FOOT ON THE BRAKE, SHIFTED TO DRIVE AND WITH HIS FOOT ON THE BRAKE THE VAN ACCELERATED INTO THE THE GARAGE. WE HAVE AN EXTENDED GARAGE WHICH HAD AN OFFICE AREA AND IT PROCEEDED TO PUSH THE OAK DESK THROUGH THE SOUTH EAST OUTSIDE WALL AND MASTER BATH. AS IT CONTINUED TO ACCELERATE AND BURN RUBBER ON OUR FINISHED GARAGE FLOOR, WITH HIS FOOT STILL ON THE BRAKE SLAMMED IT INTO REVERSE. THE SIENNA SHOT OUT OF THE GARAGE, HEADED DOWN OUR DRIVE, INTO OUR LAWN AND OVER OUR WINTER SNOW STAKES. KNOWING IT WAS NOT STOPPING AND THE BRAKES WERE NOT WORKING OTHER THAN LETTING HIM PUT THE CAR INTO GEAR, HE ONCE AGAIN SLAMMED IT INTO DRIVE. THE SIENNA SHOT INTO THE GARAGE A SECOND TIME, HITTING THE S. E. WALL AND YET AGAIN CONTINUED TO BURN RUBBER ON OUR FLOOR AS IT PUSHED THE DESK FURTHER THOUGH THE WALL. ONCE AGAIN, COMPLETELY BESIDE HIMSELF MY HUSBAND SLAMMED IT INTO REVERSE AND WHEN OUTSIDE IT FINALLY STOPPED AFTER HE STOMPED ON THE BREAKS WITH ALL HIS MIGHT! THE AIR BAG DID NOT DEPLOY NOR DID THE BRAKES EVERY BEGIN TO WORK TO SLOW IT DOWN. WE WILL NEVER DRIVE THIS VEHICLE AGAIN AND IT IS BEING STORED AT CARLSON TOYOTA UNTIL WE KNOW WHAT TOYOTA HEADQUARTERS INTENDS TO DO ABOUT THIS PROBLEM. WE ALSO NEED TO KNOW WHAT WE ARE TO DO BEINGS OUR SIENNA WAS PAID FOR AND NOW IT IS WORTHLESS TO US.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026