2012 Amerivan Toyota Sienna Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2012 Amerivan Toyota Sienna, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Brakes333.3%
- Powertrain (other)222.2%
- Body & structure111.1%
- Other / unspecified111.1%
- Seat belts111.1%
- Suspension111.1%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
VEHICLE HAS BEEN GIVING A LOUD NOISE FROM THE REAR OF IT. WE HAVE HAD THIS NOISE FOR SOME TIME NOW AND AT 90K THE BEARING ARE BAD AND NEEDS TO BE REPLACED. THIS NOISE AND NOW BEARING(S) COMPONENT IS RESULTING IN WEARING OF TIRES THAT WE ONLY PURCHASED LAST YEAR. NO ONE IS WARRANTYING THEM SO IT ANOTHER OUT OF POCKET COST. THE VEHICLE HAS BEEN SERVICED UP TO DATE WITH NO WARNING OF THIS ISSUE. THIS BECOMES A SAFETY AND FINANCIAL CONCERN IN THAT, ONCE THE BEARING BECOMES TOO HOT THEY CAN FREEZE UP AND MOBILITY IS NO LONGER. THE IMPORTANT TAKE AWAY IS THAT TOYOTA KNOWS ABOUT THIS AND HAS NOT COMMUNICATED TO THE DEALERSHIPS ABOUT CHANGING THE CHAMBERS WHEN THE BEARINGS ARE REPLACED TO PREVENT AND EVEN STOP THIS TYPE OF FINANCIAL EXPENSE ON NEW WHEELS AND BEARING EACH YEAR. THIS IS NOT A SOMETHING THAT AS A CUSTOMER WE SHOULD BE PAYING FOR, TOYOTA SHOULD BE FITTING THE BILL FOR THIS ENTIRE REPAIR AND SAFETY OCCURRENCE.
CAR ACCELERATION. THIS IS THE THIRD TIME THIS HAS HAPPEN TO ME IN THE CAR. ONCE ABOUT SIX MONTHS AFTER I PURCHASED THE CAR. AUGUST OF 2015 AND DECEMBER OF 2015. I AM AT A COMPLETE STOP, THE LAST TWO TIMES AT A CORNER WAITING TO MAKE A RIGHT HAND TURN. FOOT ON THE BRAKE AND THE CAR SUDDENLY ACCELERATES. MAKING A HORRIBLE REVVING NOISE. I AM PRESSING MY FOOT ALL THE WAY DOWN ON THE BRAKE AND IT'S STILL MOVING. THE CAR THEN IS HEADING INTO ONCOMING TRAFFIC, BUT THANK GOODNESS, NO ONE HAS BEEN HURT. IT THEN JERKS AND STOPS. FIRST TIME WAS ABOUT 8 AM IN THE MORNING AND THE CAR HAD JUST BEEN STARTED. THE LAST TWO TIMES IT WAS LATE IN THE AFTERNOON, AUGUST ABOUT 4 PM AND DECEMBER ABOUT 3 PM. NICE WEATHER AND THE CAR HAD BEEN RUNNING OVER 20 MINUTES AT THAT POINT. CAR WAS NOT COLD AND IT WAS NICE OUTSIDE. I DID NOT THINK ABOUT IT THE FIRST TIME IT HAPPEN. AUGUST I BROUGHT IT INTO THE DEALERSHIP AND THEY SAID IT WAS MY FAULT AND THE CAR SHOWED I HAD MY FOOT ON THE BRAKE AND GAS PEDDLE AT THE SAME TIME. NO, I DID NOT. BUT IT HAPPENED AGAIN. ONE FAMILY MEMBER HAS BEEN IN THE CAR WITH ME ALL THREE TIMES. IT HAS HAPPEN TO A FRIEND OF MINE AND SHE RECALLED THE SAME EXPERIENCE, BUT HER CAR DID GO OUT FARTHER THEN MINE AND HAD DAMAGE. I AM NOT WAITING FOR THAT TO HAPPEN TO ME. IT IS VERY UNCOMFORTABLE TO DRIVE NOT KNOWING IF THIS WILL HAPPEN AGAIN. I HAVE NO PAPERWORK FROM DEALERSHIP.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Powertrain (other)
Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.
From owner reports, verbatim
LONG TERM PROBLEM, FROM DAY OF PURCHASE (26 DEC 2011). WHILE MAKING A RIGHT OR LEFT TURN FROM A STOP, VAN HESITATES FOR 2-6 SECONDS AND THEN SURGES FORWARD TO PICK ONES DESIRED SPEED. NORMALLY WHEN THE VAN IS COLD. THIS HAS HAD A PERIOD WHEN IT DOES NOT EXECUTE THIS PROBLEM, THEN SHOWS UP FOR A PERIOD. SELLING DEALER HAS CHECKED IT 3 TIMES, VAN DOES NOT DUPLICATE SYMPTOMS THEN. PROBLEM HAS BEEN DOCUMENTED AT TOYOTA HEADQUARTERS. *TR
PARKED LEFT CAR RUNNING IN DRIVE WAY, SLIGHT INCLINE, GOT OUT TO PUT A GARBAGE BIN INTO THE GARAGE, THEN RETURNED TO VEHICLE, REACHED IN TO TURN IT OFF AND ALL OF A SUDDEN THE VEHICLES DOOR HAD ME TO THE GROUND AND I WAS TRYING TO JUMP IN AND STOP THE VEHICLE FROM ROLLING INTO THE STREET. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
SLIDING ELECTRIC DOOR DOES NOT CLOSE PROPERLY AFTER CHILDREN ENTER THE VEHICLE. THE DOOR LATCH SAGS SO THAT THE LATCH CAN NOT PULL THE DOOR SHUT PROPERLY. THE HAPPENS WHEN THE VEHICLE IS STATIONARY.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Other / unspecified
Reports whose component NHTSA recorded as unknown, or that do not map to one of the categories above.
From owner reports, verbatim
VEHICLE HAS BEEN GIVING A LOUD NOISE FROM THE REAR OF IT. WE HAVE HAD THIS NOISE FOR SOME TIME NOW AND AT 90K THE BEARING ARE BAD AND NEEDS TO BE REPLACED. THIS NOISE AND NOW BEARING(S) COMPONENT IS RESULTING IN WEARING OF TIRES THAT WE ONLY PURCHASED LAST YEAR. NO ONE IS WARRANTYING THEM SO IT ANOTHER OUT OF POCKET COST. THE VEHICLE HAS BEEN SERVICED UP TO DATE WITH NO WARNING OF THIS ISSUE. THIS BECOMES A SAFETY AND FINANCIAL CONCERN IN THAT, ONCE THE BEARING BECOMES TOO HOT THEY CAN FREEZE UP AND MOBILITY IS NO LONGER. THE IMPORTANT TAKE AWAY IS THAT TOYOTA KNOWS ABOUT THIS AND HAS NOT COMMUNICATED TO THE DEALERSHIPS ABOUT CHANGING THE CHAMBERS WHEN THE BEARINGS ARE REPLACED TO PREVENT AND EVEN STOP THIS TYPE OF FINANCIAL EXPENSE ON NEW WHEELS AND BEARING EACH YEAR. THIS IS NOT A SOMETHING THAT AS A CUSTOMER WE SHOULD BE PAYING FOR, TOYOTA SHOULD BE FITTING THE BILL FOR THIS ENTIRE REPAIR AND SAFETY OCCURRENCE.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Seat belts
Reports naming seat belts, buckles, retractors and pretensioners.
From owner reports, verbatim
I HAVE TWIN BOYS ARE 5 YEARS OLD BOYS SO I BUCKLE THEM BOTH SO WHEN I GOT HOME THEY TAKE BELTS OFF THEY ARE IN BOOSTER SEATS SO THE MIDDLE ROW SEAT BELT GOT WTAP AROUND MY SON STOMACH AND I COULDN'T RELEASE IT AND JUST STARTED TO GET TIGHTER AS HE MOVED AROUND ALMOST TO A POINT HE LOOSING AIR SEAM LIKE I HAD TO CUT THE SEAT BELT I TRY TURNIN CAR ON TO RELEASE IT HAD HIM STAND UP IN SEAT EVEN LEAN IT BACK SO I CAN SLIDE HIM UP I TOOK ALL CLOTHS OFF DIDN'T WORK I JUST CUT IT THIS WAS REALLY SCARY AND BAD CAUSE SHOULD BE A SAFETY REALLY BUTTON HIDDEN THANK GOD I HAD A POCKET KNIFE SO NOW I HAVE NO SEAT BELT AND THIS NOT GOOD.. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Suspension
Reports naming suspension components — springs, struts, shocks, control arms and related hardware.
From owner reports, verbatim
VEHICLE HAS BEEN GIVING A LOUD NOISE FROM THE REAR OF IT. WE HAVE HAD THIS NOISE FOR SOME TIME NOW AND AT 90K THE BEARING ARE BAD AND NEEDS TO BE REPLACED. THIS NOISE AND NOW BEARING(S) COMPONENT IS RESULTING IN WEARING OF TIRES THAT WE ONLY PURCHASED LAST YEAR. NO ONE IS WARRANTYING THEM SO IT ANOTHER OUT OF POCKET COST. THE VEHICLE HAS BEEN SERVICED UP TO DATE WITH NO WARNING OF THIS ISSUE. THIS BECOMES A SAFETY AND FINANCIAL CONCERN IN THAT, ONCE THE BEARING BECOMES TOO HOT THEY CAN FREEZE UP AND MOBILITY IS NO LONGER. THE IMPORTANT TAKE AWAY IS THAT TOYOTA KNOWS ABOUT THIS AND HAS NOT COMMUNICATED TO THE DEALERSHIPS ABOUT CHANGING THE CHAMBERS WHEN THE BEARINGS ARE REPLACED TO PREVENT AND EVEN STOP THIS TYPE OF FINANCIAL EXPENSE ON NEW WHEELS AND BEARING EACH YEAR. THIS IS NOT A SOMETHING THAT AS A CUSTOMER WE SHOULD BE PAYING FOR, TOYOTA SHOULD BE FITTING THE BILL FOR THIS ENTIRE REPAIR AND SAFETY OCCURRENCE.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .