NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
23 reports115,525 miles · May 5, 2016
Fuel/propulsion SystemCrashInjury
WE BOUGHT A 2011 SIENNA IN LATE NOVEMBER 2015 TO REPLACE OUR 2004 SIENNA THAT WAS TOTALED IN A COLLISION WITH A DEER. THE 2004 HAD BEEN PARKED IN OUR GARAGE FOR 12 YEARS WITHOUT INCIDENT. OUR 2011 WAS PARKED IN THE GARAGE FOR FOUR MONTHS AND THE FUEL LINE, ABOVE THE GAS TANK, WAS GNAWED THROUGH BY A RODENT. THIS COULD HAVE JU…
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WE BOUGHT A 2011 SIENNA IN LATE NOVEMBER 2015 TO REPLACE OUR 2004 SIENNA THAT WAS TOTALED IN A COLLISION WITH A DEER. THE 2004 HAD BEEN PARKED IN OUR GARAGE FOR 12 YEARS WITHOUT INCIDENT. OUR 2011 WAS PARKED IN THE GARAGE FOR FOUR MONTHS AND THE FUEL LINE, ABOVE THE GAS TANK, WAS GNAWED THROUGH BY A RODENT. THIS COULD HAVE JUST BEEN A $200 ANNOYANCE TO GET THE FUEL LINE REPLACED BUT IT TURNED INTO THE 2011 BEING TOTALED AS MY WIFE SAT IN IT, BROKEN DOWN ON THE SIDE OF A BUSY STREET WITH HER FLASHERS ON. SHE WAS ON THE PHONE TO AAA TO GET A TOW AND WAS REAR-ENDED BY AN INATTENTIVE DRIVER. WE HAD THE CAR TRANSPORTED TO THE TOYOTA DEARER IN GREEN BAY, WI AND ASKED THEM TO DETERMINE WHY THE CAR STALLED ON MY WIFE. THE DEALER SAID THEY DISCOVERED A LOT OF DOG FOOD ON TOP OF THE TANK AND THE FUEL LINE HAD BEEN GNAWED THROUGH. I TOLD THEM TO FIX THE FUEL LINE ISSUE AS I THOUGHT THE CAR COULD BE REPAIRED. TURNED OUT THE INSURANCE COMPANY DECIDED TO TOTAL IT INSTEAD. WE REPLACED THE TOTALED 2011 WITH ANOTHER 2011 SIENNA. TOOK DELIVERY OF THE CAR AND PARKED IT IN OUR GARAGE FOR THE FIRST NIGHT. MY WIFE DROVE THE CAR TO WORK THE NEXT MORNING AND DIDN'T NOTICE ANYTHING WRONG. SHE WENT OUT DURING HER LUNCH BREAK AND NOTICED A PUDDLE OF GAS UNDER THE CAR. SHE STARTED THE CAR AND OBSERVED GAS RAPIDLY DRIPPING DOWN FROM THE FUEL TANK ONTO THE GROUND. I TOOK THE CAR BACK TO TOYOTA, THEY DROPPED THE GAS TANK, AND SHOWED ME ME THAT THE FUEL LINE HAD BEEN CHEWED AGAIN. ANOTHER $200 TO REPLACE THE FUEL LINE AGAIN. MY BIGGEST CONCERN IS THAT THE FUEL PUMP FORCES GAS OUT OF THE CHEWED FUEL LINE FAST ENOUGH TO POOL ON TOP OF THE GAS TANK AND THEN RUN OFF. LIQUID GAS AND GAS VAPOR WERE PRESENT WHEN MY WIFE'S CAR WAS REAR-ENDED. LUCKILY THERE WAS NO FIRE. TOYOTA WAS CONTACTED AND THEY HAD NO RECORD OF SIMILAR FUEL LINE ISSUES WITH THE 2011-2016 MODEL SIENNAS, THIS COULD HAVE BEEN BAD
NHTSA ODI #10863493
Mileage unknown · Jan 21, 2016
Electrical SystemExterior LightingUnknown Or Other
WHEN DRIVING WITH WINDOWS DOWN, TRUNK SENSOR ALERTS ME THAT THE TRUNK IS OPEN, WHEN IN FACT IT IS CLOSED. THE INTERIOR LIGHTS ALL TURN ON AND CREATES A DISTRACTION WHEN DRIVING. IT STARTED OFF WHEN JUST MAKING A TURN, BUT HAS WORSENED AND NOW GOES OFF ANYTIME I DRIVE WITH THE WINDOWS DOWN.
NHTSA ODI #10821440
98,000 miles · Jan 13, 2016
Structure
VAN SLIDING DOOR WOULD NOT OPEN. DOOR CABLE SYSTEM BROKE CAUSING DOOR TO BECOME INOPERABLE ELECTRONICALLY OR MANUALLY CREATING A HAZARD IN AN EMERGENCY TO EXIT THE VEHICLE FOR PASSENGERS. TOYOTA ACKNOWLEDGED THIS ISSUE FOR VANS FROM 2007-2010 WITH EXTENDED WARRANTIES TO REPAIR BUT IT KEEPS OCCURRING AND OTHER NEWER MODELS ARE …
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VAN SLIDING DOOR WOULD NOT OPEN. DOOR CABLE SYSTEM BROKE CAUSING DOOR TO BECOME INOPERABLE ELECTRONICALLY OR MANUALLY CREATING A HAZARD IN AN EMERGENCY TO EXIT THE VEHICLE FOR PASSENGERS. TOYOTA ACKNOWLEDGED THIS ISSUE FOR VANS FROM 2007-2010 WITH EXTENDED WARRANTIES TO REPAIR BUT IT KEEPS OCCURRING AND OTHER NEWER MODELS ARE NOT COVERED.
NHTSA ODI #10820016
63,000 miles · Jan 1, 2016
Power Train
IN AUGUST 2014, TRANSMISSION WENT OUT AND STALLED WHILE WE WERE TRAVELING AT A HIGH RATE OF SPEED ON THE INTERSTATE. WE COULD HAVE BEEN RUN OVER AND SMASHED TO DEATH HAD WE BEEN IN A ONE LANE CONSTRUCTION ZONE. WE PURCHASED THE CAR NEW IN 2011 AND THE CAR HAD ONLY 63,000 MILES. WE TOOK OUR CAR REGULARLY TO THE DEALER FOR MAINT…
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IN AUGUST 2014, TRANSMISSION WENT OUT AND STALLED WHILE WE WERE TRAVELING AT A HIGH RATE OF SPEED ON THE INTERSTATE. WE COULD HAVE BEEN RUN OVER AND SMASHED TO DEATH HAD WE BEEN IN A ONE LANE CONSTRUCTION ZONE. WE PURCHASED THE CAR NEW IN 2011 AND THE CAR HAD ONLY 63,000 MILES. WE TOOK OUR CAR REGULARLY TO THE DEALER FOR MAINTENANCE AND HAD NEVER BEEN WARNED OF ANY TRANSMISSION ISSUES AND NO TRANSMISSION ISSUES PRESENTED THEMSELVES UNTILTHE DAY IT STALLED ON THE INTERSTATE. TOYOTA SAID WE NEEDED A NEW TRANSMISSION. WE HAD TO PAY $1000 OUT OF POCKET.
NHTSA ODI #10817348
Mileage unknown · Sep 29, 2015
Wheels
I WOULD LIKE TO FILE A FORMAL COMPLIANT ABOUT THE LENGTH OF TIME IT HAS TAKEN TOYOTA TO PRODUCE A FINAL REMEDY FOR THE RECALL DUE TO EXCESSIVE CORROSION OF THE SPARE TIRE CARRIER CABLE. IT HAS BEEN OVER A YEAR SINCE WE WERE NOTIFIED AND IT STILL HAS NOT YET BEEN FIXED. THE TEMPORARY SOLUTION TOYOTA HAS OFFERED IS UNACCEPTABLE …
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I WOULD LIKE TO FILE A FORMAL COMPLIANT ABOUT THE LENGTH OF TIME IT HAS TAKEN TOYOTA TO PRODUCE A FINAL REMEDY FOR THE RECALL DUE TO EXCESSIVE CORROSION OF THE SPARE TIRE CARRIER CABLE. IT HAS BEEN OVER A YEAR SINCE WE WERE NOTIFIED AND IT STILL HAS NOT YET BEEN FIXED. THE TEMPORARY SOLUTION TOYOTA HAS OFFERED IS UNACCEPTABLE - I HAVE TWO CHOICES DRIVE AROUND WITHOUT A SPARE TIRE OR DRIVE AROUND WITH THE SPARE TIRE IN MY LUGGAGE COMPARTMENT MAKING IT IMPOSSIBLE TO LAY DOWN THE THIRD ROW SEATS AND SEVERELY LIMITING SPACE IN THE LUGGAGE AREA. I UNDERSTAND THAT CORRECTIONS NEED TO BE MADE FROM TIME TO TIME, BUT I ALSO EXPECT TIMELY SOLUTIONS WHICH THIS HAS NOT BEEN. I HAVE CONTACTED TOYOTA 4 TIMES ABOUT THIS LOOKING FOR A EXPECTED TIME TABLE AND THEIR PROJECTED DEADLINES KEEP EXPIRING AND IN MY LAST COMMUNICATION WITH THEM I WAS GIVEN NO EXPECTED DATE OF REPAIR, JUST THAT THEY ARE WORKING ON IT. I AM DISSATISFIED WITH HOW THIS SITUATION HAS BEEN HANDLED AND HAVE GROWN IMPATIENT FOR A FINAL REPAIR. CAN YOU EXPEDITE THE REPAIR?
NHTSA ODI #10778342
33,000 miles · Jul 9, 2015
Service BrakesSteering
THE CAR WAS STARTED. THE CAR WAS PUT INTO DRIVE. THE STEERING WAS HARD AND HEAVY AND DIFFICULT TO TURN. UPON STARTING TO DRIVE AT A LOW SPEED, THE DRIVER ATTEMPTED TO BRAKE, BUT THE BRAKE WAS HARD AND DID NOT GO DOWN. THE BRAKE DID NOT WORK. THE DRIVER PUT THE CAR INTO PARK AND BROUGHT THE CAR TO A STOP. THE DRIVER THEN TURNED O…
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THE CAR WAS STARTED. THE CAR WAS PUT INTO DRIVE. THE STEERING WAS HARD AND HEAVY AND DIFFICULT TO TURN. UPON STARTING TO DRIVE AT A LOW SPEED, THE DRIVER ATTEMPTED TO BRAKE, BUT THE BRAKE WAS HARD AND DID NOT GO DOWN. THE BRAKE DID NOT WORK. THE DRIVER PUT THE CAR INTO PARK AND BROUGHT THE CAR TO A STOP. THE DRIVER THEN TURNED OFF THE ENGINE, AND THEN TURNED IT BACK ON. THE PROBLEM DID NOT PERSIST. THIS IS THE SECOND OCCASION THAT THIS HAPPENED. THE FIRST TIME OCCURRED IN WINTER 2014-2015.
NHTSA ODI #10732973
33,000 miles · Jul 9, 2015
Service BrakesSteering
THE CAR WAS STARTED. THE STEERING WAS HARD AND HEAVY AND DIFFICULT TO TURN. UPON STARTING TO DRIVE, AT A LOW SPEED, THE BRAKES WERE APPLIED, BUT THE BRAKES WERE HARD AND DID NOT GO DOWN. THE CAR DID NOT BRAKE. THE DRIVER PUT THE CAR INTO PARK. THE CAR WAS TURNED OFF, THEN TURNED ON AGAIN. THE PROBLEM WENT AWAY. THIS IS THE SECON…
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THE CAR WAS STARTED. THE STEERING WAS HARD AND HEAVY AND DIFFICULT TO TURN. UPON STARTING TO DRIVE, AT A LOW SPEED, THE BRAKES WERE APPLIED, BUT THE BRAKES WERE HARD AND DID NOT GO DOWN. THE CAR DID NOT BRAKE. THE DRIVER PUT THE CAR INTO PARK. THE CAR WAS TURNED OFF, THEN TURNED ON AGAIN. THE PROBLEM WENT AWAY. THIS IS THE SECOND OCCASION THAT THIS OCCURRED, EXACTLY IN THE SAME MANNER.
NHTSA ODI #10732964
61,450 miles · May 4, 2015
Vehicle Speed Control
I WAS IN THE SCHOOL DROP OFF LINE TO DROP OF MY CHILD AND I WAS WAITING WITH MY FOOT ON THE BRAKE WITH THE CAR IN GEAR AND IT LUNGED FORWARD I APPLIED THE BRAKES HARDER AND THE CAR STOPPED, IT BEGAN TO REV LOUDLY SO I PUT IT IN PARK AND THE REVVING SUBSIDED AND IT DIDN'T LUNG AGAIN. THIS PARTICULAR EVENT SEEMED LIKE A ONE OFF, B…
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I WAS IN THE SCHOOL DROP OFF LINE TO DROP OF MY CHILD AND I WAS WAITING WITH MY FOOT ON THE BRAKE WITH THE CAR IN GEAR AND IT LUNGED FORWARD I APPLIED THE BRAKES HARDER AND THE CAR STOPPED, IT BEGAN TO REV LOUDLY SO I PUT IT IN PARK AND THE REVVING SUBSIDED AND IT DIDN'T LUNG AGAIN. THIS PARTICULAR EVENT SEEMED LIKE A ONE OFF, BUT WITH THE EVENT THAT FOLLOWED I THOUGHT IT WOULD BE A GOOD IDEA TO REPORT THIS EVENT AS WELL. *TR
NHTSA ODI #10714435
61,657 miles · May 4, 2015
Vehicle Speed Control
I WAS SITTING AT A TRAFFIC LIGHT WITH MY FOOT ON THE BRAKE AND ALL OF A SUDDEN I HERD THE ENGINE REV VERY LOUD, AND AT THE SAME TIME THE VAN STARTED TO LUNG FORWARD. I HAD TO STRUGGLE TO KEEP THE VAN FROM HITTING THE VEHICLE IN FRONT OF ME. I WAS PRESSING THE BRAKE PEDAL WITH EVERYTHING I HAD. I PUT THE VAN IN PARK AND TURNED IT…
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I WAS SITTING AT A TRAFFIC LIGHT WITH MY FOOT ON THE BRAKE AND ALL OF A SUDDEN I HERD THE ENGINE REV VERY LOUD, AND AT THE SAME TIME THE VAN STARTED TO LUNG FORWARD. I HAD TO STRUGGLE TO KEEP THE VAN FROM HITTING THE VEHICLE IN FRONT OF ME. I WAS PRESSING THE BRAKE PEDAL WITH EVERYTHING I HAD. I PUT THE VAN IN PARK AND TURNED IT OFF. I WAS STRANDED IN THE MIDDLE OF THE ROAD. I WAS TO AFRAID TO TURN IT BACK ON AND DRIVE IT. THERE WAS A NICE MAN WHO PUSHED ME ONTO A SIDE STREET, WERE I WAITED FOR MY HUSBAND. THIS HAPPENED ONCE BEFORE. I WILL FILE A SEPARATE FORM FOR THAT INCIDENT. *TR
NHTSA ODI #10714433
137,669 miles · Mar 18, 2015
SuspensionWheels
TOYOTA PART NUMBER 43420-08090 CV AXEL PROBLEM. *TR
NHTSA ODI #10695232