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2012 Toyota Sienna Other Problems

16 owner-reported other complaints from NHTSA data

16
Complaints
Jan 2021Dec 2020
Date Range

Data sourced from NHTSA public database. For informational purposes only. Always consult a qualified mechanic.

Owner Complaints (16)

highUNKNOWN OR OTHER
Filed: Feb 2023

Your Sienna's electromagnetic coupling in the rear differential has failed, and you've had to replace it twice. This is an expensive repair costing around $4,000 per replacement. You've noted that Toyota issued a recall for the same problem in RAV4 models but not for Siennas, despite it being a common issue. The fix involves replacing the failed electromagnetic coupling unit in the rear differential assembly.

NHTSA #: 11504867
highUNKNOWN OR OTHER
Filed: May 2022

Your Sienna is making a whining and grinding noise, which Toyota identified as a bad rear differential viscous coupling during service. This is reportedly a known issue that has affected Siennas for years, similar to a problem that triggered a recall on RAV4s. Fixing this issue will likely require replacing the viscous coupling in your rear differential.

NHTSA #: 11464206
mediumUNKNOWN OR OTHER
Filed: Jan 2021

MY SPARE TIRE CABLE RUSTED AND THE TIRE FELL OF AND I RAN OVER IT.

NHTSA #: 11386135
mediumUNKNOWN OR OTHER
Filed: Dec 2020

SUNROOF SHATTERED WITHOUT WARNING OR KNOWN CAUSE WHILE DRIVING DOWN THE ROAD. IT WAS PRECEEDED BY A LOUD 'BANG' SOUND.

NHTSA #: 11378022
mediumUNKNOWN OR OTHER
Filed: Aug 2019

2012 GMC SIENNA. CONSUMER STATES THAT VEHICLE IS UNSAFE TO DRIVE. *LD *JS

NHTSA #: 11241509
mediumUNKNOWN OR OTHER
Filed: Mar 2019

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.

NHTSA #: 11185976
mediumUNKNOWN OR OTHER
Filed: Apr 2018

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.

NHTSA #: 11088401
mediumUNKNOWN OR OTHER
Filed: Feb 2018

TRANSMISSION STARTING SLIPPING AT 128,000 MILES. NEEDED A NEW TRANSMISSION COSTING $5,000 TO REPLACE.

NHTSA #: 11072163
mediumUNKNOWN OR OTHER
Filed: May 2017

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.

NHTSA #: 10991603
mediumUNKNOWN OR OTHER
Filed: May 2017

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.

NHTSA #: 10983492
mediumUNKNOWN OR OTHER
Filed: May 2017

G1P4302 SAFETY RECALL GOP( INTERIM G1P) MODEL YEARS TAKATA FRONT PASSENGER OPEN). TOYOTA DEALER-SHIP EXPLAIN BEFORE PART COME IN WILL BE 3 MONTHS.

NHTSA #: 10983496
mediumUNKNOWN OR OTHER
Filed: Apr 2017

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.

NHTSA #: 10978582
mediumUNKNOWN OR OTHER
Filed: Apr 2017

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.

NHTSA #: 10970861
mediumUNKNOWN OR OTHER
Filed: Sep 2016

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.

NHTSA #: 10908710
mediumUNKNOWN OR OTHER
Filed: Apr 2016

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.

NHTSA #: 10853232
mediumUNKNOWN OR OTHER
Filed: Mar 2016

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?

NHTSA #: 10840430

Other 2012 Toyota Sienna Issues