2012 Toyota Sienna UNKNOWN OR OTHER
Owner-reported problems and safety issues filed with NHTSA. Review common failures, severity levels, and complaint trends over time.
Complaint Timeline
Chronological view of owner reports
We have had problems with our 2011 Sienna's electromagnetic coupling and the rear differential. Through my research, I have learned this is a very common problem with the Toyota Sienna. Appears the same problem occured in the RAV4 and a recall was issued, however an recall was not issued with the Sienna. The repair is very expensive, upwards for $4,000 and we had two electromagnetic couplings fail. Are there any potential action items we can take with Toyota. Kind regards,
Vehicle has a whining grinding noise, after having it serviced at Toyota Dealership, the finding has been a known issue for a few years: Rear Differential Viscous Coupling gone bad. If this is the same set up as the Toyota Rav and they issued a recall on it, What is the issue with not calling it for the Sienna's, especially when its a very known problem? Its a complete RIPOFF to the public, and something truly must be done. Thank you.
MY SPARE TIRE CABLE RUSTED AND THE TIRE FELL OF AND I RAN OVER IT.
SUNROOF SHATTERED WITHOUT WARNING OR KNOWN CAUSE WHILE DRIVING DOWN THE ROAD. IT WAS PRECEEDED BY A LOUD 'BANG' SOUND.
WHIRRING NOISE COMING FROM BACK OF VEHICLE WHILE IN MOTION - STARTS AT ABOUT 30 MPH - VEHICLE HAS 97,000 MILES. SERVICE CENTER SAYS THE REAR DIFFERENTIAL COUPLER NEEDS TO BE REPLACED. OTHER TOYOTA SIENNA OWNERS ARE REPORTING THIS SAME ISSUE BUT THE PART HAS NOT BEEN RECALLED.
2012 GMC SIENNA. CONSUMER STATES THAT VEHICLE IS UNSAFE TO DRIVE. *LD *JS
TRANSMISSION STARTING SLIPPING AT 128,000 MILES. NEEDED A NEW TRANSMISSION COSTING $5,000 TO REPLACE.
THE UPPER HINGE ON THE FUEL FILLER DOOR BROKE WHICH ULTIMATELY WILL CAUSE THE FUEL FILLER DOOR TO NOT CLOSE PROPERLY OR TO BREAK COMPLETELY OFF. THIS IS THE SECOND TIME THIS EXACT FAILURE HAS OCCURRED. THE PREVIOUS FAILURE WAS TWO YEARS AGO. THIS FAILURE HAPPENED OVER TWO TO THREE YEARS AND WAS NOTICED WHEN THE FILLER DOOR WAS MISALIGNED.
BAD WATER LEAK WHEN IT RAINS CAN'T FIGURE ORIGIN ENDING UP WITH LOTS OF PUDDLED WATER IN REAR STORAGE SECTION. CAUSING SOURED MOLD SMELL TWO OF MY CHILDREN HAVE ASTHMA NOT A GOOD SCENARIO OR COMBINATION. I WOULD NOT CONSIDER SENDING THIS, BUT THERE ARE MANY REPORTS THIS TYPE OF ISSUE WITH NOTHING BEING DONE TO RECTIFY PROBLEM WITHOUT CUSTOMER BEING FINANCIALLY RESPONSIBLE. I ALSO UNDERSTAND THAT NOT EVERYONE HAS ASTHMA, HOWEVER; BLACK MOLD CAN BE A HAZARD FOR ALL. JUST WONDERING WHAT CAN BE DONE. SHOULD BE SOME SORT OF RECALL IN PLACE...*FIRST STARTED FOR US MID MARCH 2017. IN RESEARCH I HAVE FOUND THAT MANY OTHERS HAVE HAD THIS ISSUE WITH NO RESOLVE.
VAN HAS JUST OVER 50,000 MILES. POWER SLIDING DOOR OPENED AND STUCK OPEN NEXT TO MY 10-YEAR OLD DAUGHTER. DEALERSHIP CALLS THIS WEAR AND TEAR AND CHARGES ALMOST $1700 TO REPAIR. NOT INCLUDED IN DOOR RECALL.
RECALL NOTICE--NOV 22,2016 PASSENGER DOORS MANUFACTURER RECALL NUMBERG14 NHTSA RECALL NUMBER16V858 THIS RECALL IS STILL UNRESOLVED AND TOYOTA DOES NOT HAVE A REMEDY TO FIX THE DOOR.
G1P4302 SAFETY RECALL GOP(INTERIMG1P) MODEL YEARS TAKATA FRONT PASSENGER OPEN) VEHICLE NOT COMPLETED BECAUSE TOYOTA DEALER COULD NOT COMPLETE, HAVE TO ORDER, WILL BE IN THREE MONTHS.
G1P4302 SAFETY RECALL GOP( INTERIM G1P) MODEL YEARS TAKATA FRONT PASSENGER OPEN). TOYOTA DEALER-SHIP EXPLAIN BEFORE PART COME IN WILL BE 3 MONTHS.
PASSENGER DOOR - MOTOR LOCK ASSEMBLY FAILURE WHERE PASSENGER DOOR WILL NOT SHUT AND FLIES OPEN WHEN DRIVING. RUSTING OF DOOR COMPONENTS FROM IMPROPER DOOR SEALING AROUND DOOR FRAME. POPPING SOUND WHEN OPENING MOTORIZED PASSENGER DOOR. FORTUNATELY, DOOR WAS STOPPED INITIALLY WHEN DOOR FAILURE OCCURRED BUT DOOR FLEW OPEN AFTER I SHUT IT AND DROVE THE VEHICLE. I THEN STOPPED TO SHUT DOOR AND DOOR WOULD NOT CLOSE AT ALL.
AS I HAVE DRIVEN ON THE HIGHWAY, ON THREE SEPARATE OCCASIONS, MY REAR SLIDING DOORS HAVE SPONTANEOUSLY OPENED ON THEIR OWN. AFTER IT HAPPENED THE FIRST TIME, WE TURNED OFF THE AUTOMATIC DOOR FEATURE AND IT STILL HAPPENED ANOTHER TWO TIMES. WHEN WE TOOK IT INTO THE DEALERSHIP WE WERE INFORMED THAT THIS WAS A "KNOWN ISSUE WITH 2007-2011 TOYOTA SIENNA'S BUT THAT TOYOTA HAS NOT ACKNOWLEDGED AN ISSUE YET WITH 2012 SIENNA'S". WE WERE ALSO TOLD IT WOULD COST OVER $5000 FOR A PARTIAL FIX. WHEN I CALLED TOYOTA CORPORATION THEIR RESPONSE WAS "WHAT DO YOU WANT US TO DO ABOUT IT?
MY SON WAS ATTEMPTING TO GET IN THE CAR AND MY HUSBAND, WHO WAS IN THE DRIVER'S SEAT AND WHO THOUGHT HE WAS ALREADY IN THE CAR, CLOSED THE SLIDING VAN DOOR BY PRESSING THE OVERHEAD REMOTE BUTTON. MY SON WAS TRAPPED, ARMS PINNED UP. THE DOOR DID NOT BOUNCE BACK. THIS IS NOT THE FIRST TIME THIS HAS HAPPENED, BUT IT IS THE FIRST TIME THAT IT WAS A CHILD (VS. SOMEONE LIKE ME, WHO IS STRONG ENOUGH TO STOP THE FORCE). I HAD TO RUN OUT AND FORCE THE DOOR BACK. THE LATCH WAS PIERCING HIS OTHER SIDE AND HE AND HIS TWIN SISTER (WHO WATCHED THE WHOLE THING, HELPLESSLY) WERE VERY FRIGHTENED. HE IS PROBABLY JUST BRUISED, BUT WHAT IF I HADN'T BEEN STANDING RIGHT THERE?! THE CAR WAS NOT ON, AND WAS PARKED IN OUR GARAGE.
Trend Over Time
Complaints by year
Other Issues
Common problems reported
Quick Summary
The 2012 Toyota Sienna has 16 UNKNOWN OR OTHER complaints on file. Review the timeline above for detailed owner experiences.