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2015 Toyota Sienna Owner Complaints

Updated May 30, 20263 Critical Recalls
Daniel Wilson
2015 Toyota Sienna Owner Complaints

Complaint Summary

The 2015 Toyota Sienna has 278 reported complaints.

  • Top issues involve structure:body and unknown or other.

Reliability Score

Reliability Score

7.3/ 10

Based on 278 complaints

Most Frequent Issues

STRUCTURE:BODY

51 18.3%

UNKNOWN OR OTHER

41 14.7%

ELECTRICAL SYSTEM

40 14.4%

SERVICE BRAKES

16 5.8%

WHEELS

14 5%

Quick Insights

  • The top category is STRUCTURE:BODY, accounting for 18.3% of all complaints.

  • Owners have reported issues across 39 distinct vehicle systems.

  • Note: Complaint data reflects owner reports and may not always indicate a verified defect. Compare with Recalls and TSBs for a complete picture.

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Complaint Summary

What owners keep reporting on the 2015 Toyota Sienna

The 2015 Toyota Sienna has 278 owner complaints in this dataset. STRUCTURE:BODY is the most common complaint category, representing about 18% of the reports shown here.

Most common complaint categories

The top complaint groups for the 2015 Toyota Sienna are STRUCTURE:BODY (51), UNKNOWN OR OTHER (41), ELECTRICAL SYSTEM (40).

Are these complaints a serious red flag?

Potentially. 107 complaint reports involve higher-attention systems like brakes, steering, engine, powertrain, fuel, suspension, airbags, or electrical components, which is enough to justify a focused inspection.

What should buyers inspect on a used 2015 Toyota Sienna?

Start with the top complaint systems, compare them against the recall report, then inspect service records for evidence that those same areas were already repaired or monitored.

Read the full buyer guideRecall report and remedy notesMaintenance costs and intervals2016 Sienna complaints2014 Sienna complaints2017 Sienna complaints

Detailed Complaint Log

Showing 34 of 34 systems

STRUCTURE:BODY

49 Reports20% of total

Previewing the first 2 complaint summaries.

DRIVER SIDE MIRROR PAINT WAS MELTED IN NORMAL USAGE CONDITIONS IN SAN DIEGO CALIFORNIA. DEALER BLAMES "SURROUNDING BUILDINGS IN WHERE I PARKED" OR "BUSES AND RV'S WITH LARGE WINDOWS THAT MAY HAVE BEEN DRIVING ALONG ME ON FREEWAY" AND REFLECTION OF SUNSHINE. THIS IS NONSENSE. THE PAINTED MIRROR, SUPPOSEDLY AN UPGRADE, HAS A MANUFACTURING DEFECT AS ITS PLASTIC STORAGE FRAME IS PAINTED WITH THE SAME TYPE OF PAINT USE TO PAINT THE METAL ON THE REST OF THE BODY OF THE CAR. IF DEALER'S "DIAGNOSIS" IS CORRECT THEN POSSIBILITY OF A FIRE BOTH IN PARKING POSITION OR WHILT DRIVING ON FREEWAY EXISTS.

10/3/2015

VEHICLE PURCHASED MAY 2015. AFTER A VERY DRY SUMMER AND SUBSEQUENT RECENT RAINSTORMS, WHEN WE ENTERED THE VEHICLE WE NOTICED WATER POURING FROM THE B PILLARS WHERE THE SEAT BELT ADJUSTMENT/RETRACTORS ARE LOCATED. ALSO NOTICED EXTENSIVE WATER STAINS ON THE HEADLINER ON BOTH DRIVER AND PASSENGER SIDE. CONTACTED DEALER AND THEY SUSPECT, BUT AREN'T SURE, THAT IT'S THE SUNROOF LOCATED IN THE REAR PASSENGER AREA OF THE VEHICLE. THE DEALER SUSPECTS LEAKS AND REPORTS THIS IS A COMMON ISSUE WITH SIENNA MODELS THAT HAVE THE SUNROOF.

11/20/2015

47 more complaints are available in this category.

ELECTRICAL SYSTEM

38 Reports15% of total

Previewing the first 2 complaint summaries.

THERE ARE MULTIPLE ISSUES WITH THIS VEHICLE THAT CAUSE/HAVE CAUSED SAFETY CONCERNS. DURING NIGHT TIME DRIVING, THE ILLUMINATED CRUISE CONTROL STALK WILL BLINK ON AND OFF INTERMITTENTLY. THIS HAS CAUSED THE DRIVER TO ALMOST REAR-END MULTIPLE CARS AS THE FLICKERING LIGHT TAKES THE DRIVER'S EYES FROM THE ROAD. IT WAS FOUND THAT THERE IS AN INTERMITTENT HIGH RESISTANCE CONNECTION WITH UP TO A 9 VOLT DROP AT TIMES. DESPITE THE STEERING COLUMN BEING SWITCHED OUT AND THE PROBLEM BEING FIXED TEMPORARILY, THE PROBLEM RETURNS. THERE IS SOMETHING IN THIS VEHICLE CAUSING THE WIRING IN THE STEERING COLUMN TO SHORT OUT. NOT ONLY IS THE FLICKERING LIGHT VERY DISTRACTING CAUSING A SAFETY ISSUE WITH A POSSIBLE VEHICULAR ACCIDENT, BUT THE CHANCE OF THE FAULTY WIRING CAUSING A FIRE IS ALSO A SAFETY ISSUE. ANOTHER ISSUE THAT HAS BEEN FOUND WITH THIS VEHICLE INVOLVES THE ENGINE. WHILE SITTING AT A STOP LIGHT, THE VEHICLE'S RPM ALL OF A SUDDEN REVVED UP AND THE ENTIRE ENGINE BEGAN SHAKING. IF THE DRIVER HAD NOT HAD THEIR FOOT ON THE BRAKE AT THE TIME THIS HAPPENED, THIS COULD HAVE CAUSED THE DRIVER TO LOSE CONTROL OF THE VEHICLE, POSING A SAFETY ISSUE. *TR

4/19/2015

NONSTOP FLICKERING OF CRUISE CONTROL ILLUMINATION AT NIGHT. FLICKERING IS INDEPENDENT OF SPEED, STEERING WHEEL POSITION. VERY DISTRACTING WHILE DRIVING. DEALER SAYS NO FIX AVAILABLE. TOYOTA CORP NOTIFIED - CASE OPENED.. NO FIX AVAILABLE. BUYER BEWARE.

8/30/2015

36 more complaints are available in this category.

UNKNOWN OR OTHER

37 Reports15% of total

Previewing the first 2 complaint summaries.

AFTER 1 WEEK OF PURCHASE DATE OF 2015 TOYOTA SIENNA LW AWD, I'VE NOTICED BUZZ NOISES COMING FROM UNDER THE FRONT DASHBOARD. I TOOK THE CAR FOR SERVICE AT TOYOTA NASHUA AT NASHUA, NH ON 7/18 FOR BUZZ NOISING, AUTO-DIMM REAR VIEW MIRROR FAILURE, AND STRONG BURNED SMELL FROM THE AC VENTS. BUZZ NOISING - DEALERSHIP CLAIMED IT'S NORMAL OP, BUT THIS IS NOT ACCEPTABLE SINCE SERVO MOTOR IS OUT OF NORM OPERATION BUT REFUSE THE REPLACE IT. AUTO-DIMM REAR VIEW MIRROR - DEALERSHIP CLAIMED THEY CAN'T FIX SINCE IT'S DAY TIME & DON'T HAVE TOOL TO VERIFY THE FAULT. BURNING SMELL FROM AC VENTS - DEALERSHIP CLAIMED BECAUSE IT'S NEW AND THEY SPRAYED DEODORIZER.

7/20/2015

WHEN WE FIRST LEASED THE VEHICLE THE "NEW CAR SMELL" WAS OVERWHELMING, IT CAUSED ME HEADACHES, NAUSEA AND A FEELING OF BEING DISORIENTED. I BROUGHT IT BACK TO THE DEALER SEVERAL TIMES AND THEY REFUSED TO DO ANYTHING ABOUT IT, STATING "IT'S JUST THE NEW CAR SMELL." THIS "SMELL" HAS NOT GONE AWAY AND EVERY TIME I DRIVE THE CAR I GET A TERRIBLE TASTE IN MY MOUTH, A HEADACHE AND NAUSEA. I REFUSE TO DRIVE THE CAR AND MY HUSBAND HAS NOW BEEN DRIVING THE CAR WITH A CAR DEODORIZER TO DISGUISE THE SMELL FOR 7 MONTHS AND IT HAS NOT DISSIPATED. THIS IS NOT FAIR THAT THE DEALER WILL NOT DO ANYTHING AND THEY DENY/REFUSE TO TEST OR CONFIRM ANY "TOXICITY" EXISTS. I WOULD LIKE THE CAR TO BE TESTED TO RELIEVE ANY CONCERNS THAT I HAVE FOR MY FAMILIES WELL BEING. WE HAVE YOUNG CHILDREN AND I AM NOT SURE OF THE DANGERS OR EFFECT THIS COULD HAVE ON THEIR HEALTH. THIS IS NOT FAIR TO THE CONSUMER THAT A DEALERSHIP WOULD REFUSE TO DO ANYTHING TO ADDRESS OR CORRECT THE SITUATION, ESPECIALLY WHEN IT IS A LEASED VEHICLE. PLEASE HELP IF YOU CAN!

8/16/2015

35 more complaints are available in this category.

SERVICE BRAKES

15 Reports6% of total

Previewing the first 2 complaint summaries.

WHILE DRIVING ON THE NYS THRUWAY WITH THE CRUISE CONTROL ACTIVATED MY VAN CAME TO AN ABRUPT STOP ON THE THRUWAY. THERE WERE NO VEHICLES IN CLOSE PROXIMITY TO MY VAN THAT WOULD HAVE ACTIVATED THE RADAR CRUISE OR THE AUTONOMOUS EMERGENCY BRAKING SYSTEM. AFTER THE ABRUPT STOP ALL THE LIGHTS ON THE DASH WERE LIT UP IE: BRAKE, ABS, PCS, SLIP INDICATOR LIGHT, AND MASTER WARNING LIGHT. WHEN I REACHED MY DESTINATION I WAS UNABLE TO OPEN THE DOORS OF MY VEHICLE. SOMEONE TRIED TO OPEN THE DOORS FROM THE OUTSIDE OF THE VEHICLE AND THEY WERE UNABLE TO OPEN THEM AS WELL. I BROUGHT IT TO THE LOCAL TOYOTA DEALER AND THEY COULD FIND NOTHING WRONG. THE ABOVE LIGHTS HAVE LIT UP ON SEVERAL OCCASIONS HOWEVER THE DEALER COULD FIND NOTHING WRONG. THERE HAS BEEN A PREVIOUS COMPLAINT FOR THE SAME BEHAVIOR ON 6/6/15 REPORTED TO TOYOTA FOR THE SAME MAKE AND MODEL AS MINE A TOYOTA SIENNA PREMIUM AND THEY HAVE NOT BEEN ABLE TO GET TOYOTA TO ACT ON IT.

7/31/2015

WHEN PULLING INTO A PARKING SPACE, THE CARE REVED AND LUNGED FORWARD, APPROXIMATELY 5 FEET WHILE THE FOOT WAS ON THE BRAKE. HAPPENED TWICE, WHEN TURNING RIGHT INTO PARKING SPACE. CALLED DEALER ABOUT INCIDENT AND THEN TOOK VAN INTO DEALER NEXT DAY. THEY CONTACT TOYOTA (CASE #152470163). TOYOTA INFORMED DEALER THAT THIS WAS NOT THAT UNCOMMON WITH SIENNA VANS. IF SOMEONE HAD BEEN IN FRONT OF THE VEHICLE AT THE TIME OF THE FIRST INCIDENT THEY WOULD HAVE BEEN INJURED. IF I HAD BEEN PARKING IN MY GARAGE I WOULD HAVE DAMAGED THE HOUSE. TOYOTA INDICATE THERE WAS NOT A REPAIR AND THAT ONE WAS NOT NEEDED AND TOLD DEALER TO RELEASE THE VEHICLE TO CUSTOMER (QUOTE). THE DEALER THOUGHT IT WAS THE COMPUTER AND THAT IT REVED THE MOTOR AUTOMATICALLY DUE TO USING AC. WE DO NOT UNDERSTAND WHY A COMPUTER CAN NOT BE PROGRAMMED TO MAKE SURE THIS DOES NOT HAPPEN - WE NO LONGER FEEL SAFE IN THE VEHICLE.

9/5/2015

13 more complaints are available in this category.

WHEELS

13 Reports5% of total

Previewing the first 2 complaint summaries.

WE BOUGHT OUR 2015 TOYOTA SIENNA LE ALL-WHEEL DRIVE IN FEBRUARY 2015. AT 16,000 MILES, WE TOOK IT IN FOR MAINTENANCE BECAUSE IT WAS SHAKING DURING BRAKING. WE WERE INFORMED THAT THE ROTORS WERE WARPED AND NEEDING REPLACED. THEY WERE REPLACED. AT 22,000 MILES, THE WHEEL INFLATION SIGNAL KEEPS COMING ON EVERY OTHER DAY AFTER REFILLING AIR INTO ALL TIRES; WE INSPECTED THE TIRES AND FOUND THAT THE TWO REAR TIRES WERE VERY WORN ON THE INNER SIDE OF THE TIRES. WE TOOK IT TO SHEEHY TOYOTA OF FREDERICKSBURG AGAIN FOR MAINTENANCE. WE WERE TOLD THAT IT NEEDED ALIGNMENT AND 4 NEW TIRES. WE WERE ALSO TOLD THAT THE TIRES WOULD NOT BE COVERED BECAUSE FACTORY TIRES FROM DEALERSHIPS WERE NOT COVERED UNDER WARRANTY. BUT THE MAIN CONCERN IS THAT, AT JUST 22,000, THERE'S ALREADY ROTOR ISSUES AND ALIGNMENT ISSUES FROM JUST NORMAL DRIVING. NEVER DROVE IN GRAVEL OR ROUGH ROADS. I BELIEVE THERE'S AN ISSUE WITH THE 2015 SIENNA LINE OF VANS, REGARDS TO BRAKE ROTORS AND ALIGNMENT PROBLEMS. IT'S A BIG SAFTEY CONCERN FOR ME AND MY FAMILY. AND IT'S DISAPPOINTING TO HEAR THAT TOYOTA WILL NOT COVER ALIGNMENT ISSUES, THOUGH THE VEHICLE IS STILL SO NEW. IT COULD HAVE BEEN TRAGIC IF WE DIDN'T CATCH THE WORN TIRES THIS SOON. FOR THE RECORD, WE HAD NEVER MISSED AN OIL CHANGE OR SCHEDULED ROUTINE MAINTENANCE.

9/8/2017

EXCESSIVE TIRE WEAR ON FRONT OUTSIDE TIRES. WHEELS/TIRES HAVE BEEN BALANCED AND ROTATED THEIR WHOLE LIFE. ALIGNMENT OF VEHICLE IS GOOD. TIRES HAVE BEEN CONSTANTLY MONITORED TO REMAIN THE RECOMMENDED PRESSURE OF 36 PSI. LIFESPAN OF TIRES IS SUPPOSED TO BE 60000-80000 MILES. VEHICLE IS CURRENTLY AT 26000, AND TIRES ARE SHOT. THIS IS CLEARLY A FLAWED DESIGN. VEHICLE IS ADULT DRIVEN.

9/14/2017

11 more complaints are available in this category.

ENGINE

11 Reports4% of total

Previewing the first 2 complaint summaries.

THERE ARE MULTIPLE ISSUES WITH THIS VEHICLE THAT CAUSE/HAVE CAUSED SAFETY CONCERNS. DURING NIGHT TIME DRIVING, THE ILLUMINATED CRUISE CONTROL STALK WILL BLINK ON AND OFF INTERMITTENTLY. THIS HAS CAUSED THE DRIVER TO ALMOST REAR-END MULTIPLE CARS AS THE FLICKERING LIGHT TAKES THE DRIVER'S EYES FROM THE ROAD. IT WAS FOUND THAT THERE IS AN INTERMITTENT HIGH RESISTANCE CONNECTION WITH UP TO A 9 VOLT DROP AT TIMES. DESPITE THE STEERING COLUMN BEING SWITCHED OUT AND THE PROBLEM BEING FIXED TEMPORARILY, THE PROBLEM RETURNS. THERE IS SOMETHING IN THIS VEHICLE CAUSING THE WIRING IN THE STEERING COLUMN TO SHORT OUT. NOT ONLY IS THE FLICKERING LIGHT VERY DISTRACTING CAUSING A SAFETY ISSUE WITH A POSSIBLE VEHICULAR ACCIDENT, BUT THE CHANCE OF THE FAULTY WIRING CAUSING A FIRE IS ALSO A SAFETY ISSUE. ANOTHER ISSUE THAT HAS BEEN FOUND WITH THIS VEHICLE INVOLVES THE ENGINE. WHILE SITTING AT A STOP LIGHT, THE VEHICLE'S RPM ALL OF A SUDDEN REVVED UP AND THE ENTIRE ENGINE BEGAN SHAKING. IF THE DRIVER HAD NOT HAD THEIR FOOT ON THE BRAKE AT THE TIME THIS HAPPENED, THIS COULD HAVE CAUSED THE DRIVER TO LOSE CONTROL OF THE VEHICLE, POSING A SAFETY ISSUE. *TR

4/19/2015

WHEN PULLING INTO A PARKING SPACE, THE CARE REVED AND LUNGED FORWARD, APPROXIMATELY 5 FEET WHILE THE FOOT WAS ON THE BRAKE. HAPPENED TWICE, WHEN TURNING RIGHT INTO PARKING SPACE. CALLED DEALER ABOUT INCIDENT AND THEN TOOK VAN INTO DEALER NEXT DAY. THEY CONTACT TOYOTA (CASE #152470163). TOYOTA INFORMED DEALER THAT THIS WAS NOT THAT UNCOMMON WITH SIENNA VANS. IF SOMEONE HAD BEEN IN FRONT OF THE VEHICLE AT THE TIME OF THE FIRST INCIDENT THEY WOULD HAVE BEEN INJURED. IF I HAD BEEN PARKING IN MY GARAGE I WOULD HAVE DAMAGED THE HOUSE. TOYOTA INDICATE THERE WAS NOT A REPAIR AND THAT ONE WAS NOT NEEDED AND TOLD DEALER TO RELEASE THE VEHICLE TO CUSTOMER (QUOTE). THE DEALER THOUGHT IT WAS THE COMPUTER AND THAT IT REVED THE MOTOR AUTOMATICALLY DUE TO USING AC. WE DO NOT UNDERSTAND WHY A COMPUTER CAN NOT BE PROGRAMMED TO MAKE SURE THIS DOES NOT HAPPEN - WE NO LONGER FEEL SAFE IN THE VEHICLE.

9/5/2015

9 more complaints are available in this category.

STEERING

9 Reports4% of total

Previewing the first 2 complaint summaries.

I HAVE A BRAND NEW TOYOTA SIENNA AND THE TIRES SEEM TO START SHOWING SIGN OF WEARING OFF IN 6 MONTHS, AS IF IT HAS ALIGNMENT ISSUES OR SOMETHING. THE CAR DOES NOT PULL TO ONE SIDE OR ANYTHING. THE DEALERSHIP TOLD ME THAT IT COULD BE THE TIRE PRESSURE THAT NEEDS TO BE KEPT UP AND THEY SAID THAT THE TIRE PRESSURE INDICATOR IS NOT GOOD ENOUGH TO MAKE SURE IF THE PRESSURE IS GOOD? ALSO THEY TOLD ME THAT THE TIRES THESE DAYS ARE SOFTER SO THEY DON'T LAST AS LONG? THIS ALL SEEMS A LITTLE HARD FOR ME TO BELIEVE. OEM TIRE WARRANTY UP TO 60K BUT NOT LAST LONG . JUST CHANGE NEW SETS OF TIRE WITH ALIGNMENT . TOYOTA ENGINEERING NEEDS TO ADDRESS THIS ISSUE

11/13/2017

STEERING WHEEL BECOMES DIFFICULT TO TURN MAKING IT HARD TO STEER - ALMOST HAVE TO "FORCE" IT TO TURN. HARD TO DUPLICATE - SEEMS INTERMITTENT - INSTRUMENT PANEL GOES DIM, ALMOST DARK. RANDOM ALSO

12/2/2017

7 more complaints are available in this category.

AIR BAGS

8 Reports3% of total

Previewing the first 2 complaint summaries.

TL* THE CONTACT OWNS A 2015 TOYOTA SIENNA. WHILE AT A STOP LIGHT, ANOTHER VEHICLE CRASHED INTO THE REAR OF THE CONTACT'S VEHICLE. THE INCIDENT CAUSED THE CONTACT TO CRASH INTO THE PRECEDING VEHICLE. THE AIR BAGS DID NOT DEPLOY. A POLICE REPORT WAS FILED. THE CONTACT, THE FRONT SEAT PASSENGER, AND THE REAR SEAT PASSENGER SUSTAINED UNKNOWN INJURIES THAT REQUIRED MEDICAL ATTENTION. THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 54,000.

6/1/2016

THE AIRBAG ON/OFF INDICATOR STAYS OFF EVEN WHEN AN ADULT IS SITTING ON THE PASSENGER SEAT. THE ISSUE IS NOT THERE IN MY 2014 TOYOTA CAMRY. THE DEALER KOONS TOYOTA VERIFIED THAT SENSOR IS REGISTERING CORRECT WEIGHT. THE DEALER STATES THAT TOYOTA DOES NOT TELL THEM THAT AT WHAT WEIGHT THE AIRBAG SHOULD TURN ON. THE DEALER'S TEST WEIGHT OF 66LB "ON THE SEAT" DID NOT TURN IT ON. THE DEALER TEST REPORT IS ATTACHED. THANKS

7/20/2016

6 more complaints are available in this category.

SUSPENSION

7 Reports3% of total

Previewing the first 2 complaint summaries.

I HAVE A 2015 TOYOTA SIENNA XLE WITH 35,800 MILES. - (NO SPECIFIC CONDITIONS OR DRIVING STYLES) IT IS ON IT'S THIRD TRANSMISSION (SECOND REPLACEMENT WAS AT 29,800 MILES) - NEWEST RECALL ON THE SIDE DOORS OPENING RANDOMLY. - (NO SPECIFIC CONDITIONS OR DRIVING STYLES. HAPPENS COMPLETELY RANDOMLY) CRUISE CONTROL LEVER LIGHT FLICKERING. IT WAS REPLACED THREE TIMES NOW. IT WAS JUST REPLACED THE THIRD TIME RECENTLY, SO I'LL SEE IF IT HAPPENS AGAIN. - (NO SPECIFIC CONDITIONS OR DRIVING STYLES. HAPPENS COMPLETELY RANDOMLY) DASH RANDOMLY FREEZES FOR ABOUT 5 MINUTES AND THEN RESETS TO THE DEFAULT SETTINGS (IT HAS HAPPENED SEVEN TIMES AND CONTINUING) AND TOYOTA STILL CANNOT FIGURE OUT THE PROBLEM. - (WHILE DRIVING ON A CLEAR DAY ON A CITY STREET) CLIMATE CONTROL SHUT OFF COMPLETELY BY ITSELF WITHOUT TOUCHING ANY BUTTONS WHILE DRIVING. I WAS ABLE TO TURN IT BACK ON, BUT IT SHOULD NOT SHUT OFF WITHOUT ANY ACTION. - BAD SUPPORT BEARING FOR AXLE ON FRONT PASSENGER SIDE (22,900 MILES)

5/22/2017

I HAVE A 2015 TOYOTA SIENNA SE. I AM CURRENTLY AT 49092 MILES AND AM PURCHASING MY THIRD SET OF TIRES. THE TIRE WEAR ON THIS VEHICLE IS ABNORMALLY HIGH. I HAVE PURCHASED HIGH QUALITY TIRES (BRIDGESTONE 80K WARRANTY, AND MICHELIN 60K). FIRST SET OF FACTORY ISSUED TIRES WERE WORN DOWN TO 3/32-4/32 IN 24000 MILES, SECOND SET WAS USED TO 4/32 IN 25000 MILES. VEHICLE IS DRIVEN UNDER NORMAL CONDITIONS, BOTH HIGHWAY AND CITY DRIVING. THIS IS A SIGNIFICANT SAFETY ISSUE TO ME IN REGARDS TO HANDING, STEERING AND STOPPING AND IT FEEL IT MAY BE ATTRIBUTED TO THE DESIGN OF THE VEHICLE ITSELF TO INCLUDE THE SUSPENSION COMPONENTS, FRAME SETUP, AND WEIGHT OF VEHICLE.

10/24/2018

5 more complaints are available in this category.

POWER TRAIN

6 Reports2% of total

Previewing the first 2 complaint summaries.

TL* THE CONTACT OWNS A 2015 TOYOTA SIENNA. THE CONTACT STATED THAT THE VEHICLE WAS NOT DRIVING NORMALLY AND IT FELT AS IF THE TRANSMISSION WERE FAILING. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE TRANSMISSION FAILED DUE TO A MINOR CRASH IN WHICH THE CONTACT WAS INVOLVED. THE TRANSMISSION WOULD NEED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS INFORMED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 7,000. THE VIN WAS NOT AVAILABLE.

8/25/2016

WHEN AMBIENT TEMP IS BELOW FREEZING AND VEHICLE IS COLD THE ENGINE REVS UP FROM BELOW 1000 RPM TO NEARLY 1500 RPM WHEN COMING TO A STOP AND THE VEHICLE WANTS TO LURCH FORWARD. I MUST BE ON THE BRAKE TO PREVENT LURCHING FORWARD. IT REVS UP AS THE TRANSMISSION IS DOWNSHIFTING. DEALER SAYS IT IS NORMAL. THIS IS NONSENSE.

3/30/2017

4 more complaints are available in this category.

FUEL/PROPULSION SYSTEM

6 Reports2% of total

Previewing the first 2 complaint summaries.

FUEL DOOR LATCH HINGE IS BROKEN AT THE TOP OF THE HINGE. POSSIBLY, IT CAUSED BY THE DOOR LATCH SAFETY WITH EXCESSIVE TENSION. IT DISABLED THE DRIVER SIDE SLIDING DOOR. DRIVER'S SIDE SLIDING DOOR COULD NOT BE OPENED AND IT CAUSED EXITING ISSUE FOR CHILDREN AND OCCUPANTS IN THE CAR. CAR'S MILEAGE IS AT 27,000 MILES. FUEL DOOR OPENED DURING IN MOTION AND/OR STATIONARY.

11/23/2017

FUEL TANK ACCESS DOOR HINGE IS BROKEN. CAN'T FILL GAS TANK UP. IF FUEL DOOR IS REMOVED SLIDING DOOR WON'T OPEN. FUEL DOOR HINGE BROKE BECAUSE THE FUEL DOOR PIN HAS SO MUCH TENSION THAT IT BROKE THE HINGE. THIS CAUSED A SAFETY ISSUE BECAUSE THE DOOR CANNOT BE OPENED FROM THE INSIDE IF IT IS NOT CLOSED ALL THEY WAY OR PUSHED CLOSED ENOUGH FOR THE SENSOR TO ALLOW THE SLIDING DOOR TO OPEN. THIS EVENT WAS REPORTED PAST THE 36 MONTH WARRANTY, (AT 40 MONTHS, BUT LESS THAN THE MILEAGE WARRANTY), BUT HAD BEGUN BEFORE THE WARRANTY HAD ENDED. CURRENT OWNERS SHOULD BE AWARE THAT IF THERE ARE INSTANCES BEGINNING OF THE DOOR NOT BEING ABLE TO BE OPENED, SHOULD CHECK THE HINGE AND PIN TENSION AND HAVE IT FIXED WHILE IT COULD BE UNDER WARRANTY. THIS SHOULD BE AN ITEM COVERED UNDER AN EXTENDED WARRANTY DUE TO THE SAFETY ISSUE OF NOT BEING ABLE TO EXIT THE VEHICLE IN AN EMERGENCY SITUATION. THIS HAPPENED SEVERAL TIMES WHILE PARKED AND EXITING THE VEHICLE. THERE ARE OTHER INSTANCES OF THIS ISSUE ON DIFFERENT SIENNA AND TOYOTA FORUMS. TOYOTA SERVICE MANAGER CONFIRMS THAT IT IS EXCESSIVE, BUT ONLY RESOLUTION WOULD BE TO REPLACE CABLE WITH NO GUARANTEE IT WOULDN'T HAVE EXCESSIVE FORCE ALSO. ONLY OTHER RESOLUTION WOULD BE TO HAVE SERVICE BULLETIN ISSUED BY TOYOTA. YOUR TRACKING NUMBER ASSIGNED BY NHTSA FOR THIS ISSUE IS 11025478. PLEASE KEEP THIS NUMBER FOR YOUR RECORDS AND FOR FUTURE REFERENCE. ONCE YOUR COMPLAINT HAS BEEN PROCESSED, YOU WILL BE ABLE TO VIEW IT ONLINE AND FIND ANY RELATED DOCUMENTS. PLEASE ALLOW TWO BUSINESS DAYS FOR NHTSA TO REVIEW YOUR COMPLAINT.

8/13/2018

4 more complaints are available in this category.

VISIBILITY/WIPER

5 Reports2% of total

Previewing the first 2 complaint summaries.

IT WHICH CAUSES OBJECTS ON THE ROAD TO BE MAGNIFIED. THE VEHICLE WAS TAKEN TO TOYOTA WHERE IT WAS CONFIRMED THAT THE WINDSHIELD HAD CAUSED OBJECTS IN THE ROAD TO BE DISTORTED AND MAGNIFIED AND OFFERED TO REPLACED THE WINDSHIELD WITH ANOTHER MODEL. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE ARE OF THE ISSUE. THE VEHICLE FAILURE MILEAGE WAS 1142.KH

10/6/2015

SHORTLY AFTER PURCHASING THE HIGHLANDER I STARTED TO NOTICE THAT THERE IS SIGNIFICANT DISTORTION IN THE BOTTOM OF THE FRONT WINDSHIELD--TO THE POINT WHERE IT MAKES ME DIZZY! WHEN YOU PAN LEFT TO RIGHT, OR UP AND DOWN, YOUR SIGHT SEEM TO PASS A PORTION OF THE WINDSHIELD THAT DISTORTS THE FIELD OF VISION. I TOOK THE CAR IN AND THE SERVICE MANAGER PERSONALLY CHECKED IT OUT, CONFIRMED THAT THE DISTORTION EXISTS. THEY ALSO LOOKED AT ANOTHER SAME MODEL&MAKE AND HAS THE SAME ISSUE.

2/1/2016

3 more complaints are available in this category.

EXTERIOR LIGHTING

5 Reports2% of total

Previewing the first 2 complaint summaries.

THE CRUISE-CONTROL STALK LIGHT FLICKERS AT NIGHT CAUSING DISTRACTION

12/31/2015

THE CRUISE CONTROL BACKLIGHTING ON THE "CONTROL STALK" BLINKS/FLASHES ERRATICALLY IN THE DRIVER'S PERIPHERAL VISION. THIS IS QUITE DANGEROUS AND DISTRACTING. THIS HAPPENS AT ALL SPEEDS AND DRIVING CONDITIONS BUT SEEMS TO BE WORSE WHEN HAVING TO TURN THE STEERING WHEEL MORE (I.E. A PARKING LOT VS. CHANGING LANES ON THE HIGHWAY).

2/9/2016

3 more complaints are available in this category.

SEAT BELTS

5 Reports2% of total

Previewing the first 2 complaint summaries.

2ND ROW SEAT BELTS BIND AND GENERALLY DO NOT RETRACT, EVEN WHEN SEAT IS OCCUPIED. THEY REMAIN LOOSE AND FLOP AROUND AND DO NOT "SNUG UP" AGAINST THE OCCUPANT AS EVERY OTHER SEAT BELT DOES. DEALER SAYS "ALL THE SIENNA'S DO THAT" BECAUSE IT'S SUCH A LONG BELT - IN FACT HE REPLACED THE BELT AND THE REPLACEMENT DOES THE SAME THING. THIS SEEMS LIKE A SAFETY HAZARD SINCE IN THE CASE OF A WRECK I WORRY THAT THE SEAT BELT MAY NOT RETRACT CORRECTLY TO RESTRAIN THE OCCUPANT, OR EVEN IF IT RETRACTS IT MAY NOT BE POSITIONED CORRECTLY. MOSTLY THE 2ND ROW BELTS ARE VERY LOOSE AND FLOP AROUND UNLESS AN ADULT MAKES A CONSCIOUS EFFORT TO SLOWLY AND VERY CAREFULLY FEED THE BACK INTO THE REEL.

11/23/2016

SHOULDER STRAPS OF PASSENGER MID-SECTION SEATS HAVE LOST TENSION AND DO NOT RELIABLY RETRACT, POSSIBLY DUE TO EXTENDED CAR SEAT INSTALLATION (BRITAX PINNACLE CLICKTIGHT, WAS INSTALLED FOR PROLONGED PERIOD IN HARNESS MODE). LACK OF SHOULDER STRAP TENSION IS A SEVERE HAZARD AS I ATTEMPTED TO CONVERT BRITAX PINNACLE CLICKTIGHT TO BOOSTER MODE BUT FOUND THAT CHILD COULD LOOSEN THEIR SHOULDER STRAP AND BE SITTING IN BOOSTER MODE SEAT WITH A LOOSE SHOULDER STRAP THAT IS NOT HOLDING THEM TIGHT AND SECURE AT THE SHOULDER.

5/18/2017

3 more complaints are available in this category.

STRUCTURE:BODY:DOOR

5 Reports2% of total

Previewing the first 2 complaint summaries.

TL* THE CONTACT OWNS A 2015 TOYOTA SIENNA. AFTER THE AUTOMATIC DOOR FEATURE WAS DEACTIVATED, IT CONTINUED TO ACTIVATE INDEPENDENTLY. AS A RESULT, THE CONTACT STATED THAT THE REAR PASSENGER SIDE SLIDING DOOR INDEPENDENTLY OPENED WITHOUT WARNING. THE CONTACT STATED THAT THE FAILURE RECURRED INTERMITTENTLY. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 16V858000 (STRUCTURE); HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS UNKNOWN. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

4/24/2017

TL* THE CONTACT OWNS A 2015 TOYOTA SIENNA. THE CONTACT STATED THAT WHILE THE DRIVER WAS DRIVING AT VARIOUS SPEEDS, THE PASSENGER SLIDING DOOR INDEPENDENTLY OPENED WITHOUT WARNING. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 16V858000 (STRUCTURE) HOWEVER, THE PART NEEDED FOR THE REPAIR WAS NOT AVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE DEALER WAS NOT NOTIFIED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 20,000. VIN TOOL CONFIRMS PART NOT AVAILABLE.

6/14/2017

3 more complaints are available in this category.

ELECTRONIC STABILITY CONTROL (ESC)

5 Reports2% of total

Previewing the first 2 complaint summaries.

I HAVE A BRAND NEW TOYOTA SIENNA AND THE TIRES SEEM TO START SHOWING SIGN OF WEARING OFF IN 6 MONTHS, AS IF IT HAS ALIGNMENT ISSUES OR SOMETHING. THE CAR DOES NOT PULL TO ONE SIDE OR ANYTHING. THE DEALERSHIP TOLD ME THAT IT COULD BE THE TIRE PRESSURE THAT NEEDS TO BE KEPT UP AND THEY SAID THAT THE TIRE PRESSURE INDICATOR IS NOT GOOD ENOUGH TO MAKE SURE IF THE PRESSURE IS GOOD? ALSO THEY TOLD ME THAT THE TIRES THESE DAYS ARE SOFTER SO THEY DON'T LAST AS LONG? THIS ALL SEEMS A LITTLE HARD FOR ME TO BELIEVE. OEM TIRE WARRANTY UP TO 60K BUT NOT LAST LONG . JUST CHANGE NEW SETS OF TIRE WITH ALIGNMENT . TOYOTA ENGINEERING NEEDS TO ADDRESS THIS ISSUE

11/13/2017

THE VEHICLE WAS STATIONARY AND ONE DAY ABS MALFUNCTION LIGHT CAME ON DUE TO FAULTY HARNESS ON A 3 YEAR OLD 35,000 MILE VEHICLE. THIS REDUCES THE ABILITY OF THE VEHICLE TO STOP NORMALLY AS IT SHOULD THIS ALSO DISABLES THE TRACTION CONTROL ON THE VEHICLE. I WAS DRIVING IN RAIN WITHOUT ANY TRACTION CONTROL AND IT WAS SCARY. I CONTACTED TOYOTA AND THEY KEEP STATING THE CAR IS OUT OF WARRANTY. IT IS $500+ REPAIR TO ABS SYSTEM DUE TO THEIR FAULTY PARTS. I JUST NEED THIS TO BE ON THE RECORD INCASE SOMETHING HAPPENS WHILE DRIVING A TOYOTA SIENNA.

11/27/2018

3 more complaints are available in this category.

SEATS

3 Reports1% of total

Previewing the first 2 complaint summaries.

SEAT GETS STUCK TO BASE AND DOES NOT COME OUT. I HAD TO FORCEFULLY TAKE MY 1 MONTH OLD OUT OF THE SEAT AND IN COLD HOLD HIM IN HAND TO TAKE TO DR OFFICE. IT CAN BE FRIGHTENING IF THERE IS ACCIDENT, AND CHILD NEEDS TO BE TAKEN OUT

1/6/2016

TL* THE CONTACT OWNS A 2015 TOYOTA SIENNA. THE CONTACT STATED THAT THE MIDDLE ROW SEAT BEHIND THE DRIVER SIDE SHIFTED INADVERTENTLY. THE DEALER DIAGNOSED THAT THE SEATS NEEDED A BRACKET TO KEEP THEM FROM SHIFTING. THE VEHICLE WAS NOT REPAIRED AND THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 15,000.

1/19/2017

1 more complaint is available in this category.

SERVICE BRAKES, HYDRAULIC

2 Reports1% of total

Previewing the first 2 complaint summaries.

2015 TOYOTA SIENNA LIMITED DEFECTIVE BRAKE SYSTEM DESIGN. THE CONSUMER STATED TOYOTA HAS DONE NOTHING TO FIX THE INAUDIBLE TURN INDICATOR. THE CONSUMER STATED THE ISSUE WAS WHETHER OR NOT THE BRAKING SYSTEM COULD SUPPORT TOWING AN ADDITIONAL 3500 POUND LOAD AS ADVERTISED. BASED ON HIS EXPERIENCE OF HAVING WARPED FRONT ROTORS THAT REQUIRED REPLACEMENT AT 19,242 MILES, THERE WAS A SERIOUS FRONT AND REAR BRAKE DESIGN FLAW. UPDATED 04/14/2017*JS *JS

4/1/2016

The contact called on behalf of his mother who owns a 2015 Toyota Sienna. The contact stated while his mother was driving 15 MPH, the brake pedal was depressed but failed to respond, causing the vehicle to crash into the rear of another occupied vehicle. There was no warning light illuminated. The air bags did not deploy. Both the contact's mother and the other driver received assistance from emergency units. The contact's mother sought medical assistance and was informed that she had sustained soreness in the neck muscle. The contact was unsure whether the other driver sustained any injuries. The vehicle was towed to a tow lot. The vehicle was then towed to an autobody shop but was not repaired. The vehicle was then towed to the residence. A police report was filed. The dealer and the manufacturer were not notified of the failure. The vehicle was not diagnosed nor repaired. The failure mileage was approximately 93,955.

2/1/2023

CHILD SEAT

2 Reports1% of total

Previewing the first 2 complaint summaries.

BRITAX CAR SEAT. ADVOCATE 70-G3. MANUFACTURER 01/2013.COMPLAINING OF TOP LATCH COMPONENT! WE HAVE OWNED THIS CAR SEAT FOR 3 YEARS AND NEVER HAD AN ACCIDENTWITH IT UNTILNOW. WE WERE SITTING AT A RED LIGHT AND GOT REAR ENDED BY A BIG PICK UP TRUCK SMASHING OUR TRUNK IN AND LIFTING OUR BACK END OFF THE GROUND. OUR ONE YEAR OLD WHO WAS IN THIS CAR SEAT WAS REAR FACING AND LATCHED IN CORRECTLY WEARING A LIGHT FLEECE (NO PUFFY JACKET.. WE ARE VERY CAREFUL TO FOLLOW EVERY CAR SEAT RULE). DURING THE ACCIDENT HER TOP LATCH CAME UNDONE! THE ADULT SITTING NEXT TO HER WITNESSED THE TOP HALF OF HER BODY FLY FORWARD HITTING THE SEAT SHE WAS FACING! SHE VOMITED SHORTLY AFTER AND WAS SAID TO HAVE A CONCUSSION! WE ARE REPORTING HERE AND COMPLAINING TO BRITAX! WE ARE NEVER BUYING THAT BRAND AGAIN AND WE HOPE THEY CAN FIX THIS FOR ANY OTHER CHILDREN WITH THIS CAR SEAT THAT FAILS TO DO ITS JOB!WE BOUGHTA GRACO REAR FACING CAR SEAT TO REPLACE THIS HORRIBLE ONE.WE STILL HAVE THE CAR SEATAT OUR HOUSE(WE ARE NOT USING IT)AND SENDING A VIDEO TO BRITAX OF HOW EASILY THE CLIP COMES UNDONE AFTER CLICKED IN! WE ARE NOT HAPPY AND UPSET THAT OUR DAUGHTER GOT INJURED!

12/26/2016

BRITAX CAR SEAT. ADVOCATE 70-G3. MANUFACTURER 01/2013.COMPLAINING OF TOP LATCH COMPONENT! WE HAVE OWNED THIS CAR SEAT FOR 3 YEARS AND NEVER HAD AN ACCIDENTWITH IT UNTILNOW. WE WERE SITTING AT A RED LIGHT AND GOT REAR ENDED BY A BIG PICK UP TRUCK SMASHING OUR TRUNK IN AND LIFTING OUR BACK END OFF THE GROUND. OUR ONE YEAR OLD WHO WAS IN THIS CAR SEAT WAS REAR FACING AND LATCHED IN CORRECTLY WEARING A LIGHT FLEECE (NO PUFFY JACKET.. WE ARE VERY CAREFUL TO FOLLOW EVERY CAR SEAT RULE). DURING THE ACCIDENT HER TOP LATCH CAME UNDONE! THE ADULT SITTING NEXT TO HER WITNESSED THE TOP HALF OF HER BODY FLY FORWARD HITTING THE SEAT SHE WAS FACING! SHE VOMITED SHORTLY AFTER AND WAS SAID TO HAVE A CONCUSSION! WE ARE REPORTING HERE AND COMPLAINING TO BRITAX! WE ARE NEVER BUYING THAT BRAND AGAIN AND WE HOPE THEY CAN FIX THIS FOR ANY OTHER CHILDREN WITH THIS CAR SEAT THAT FAILS TO DO ITS JOB!WE BOUGHTA GRACO REAR FACING CAR SEAT TO REPLACE THIS HORRIBLE ONE.WE STILL HAVE THE CAR SEATAT OUR HOUSE(WE ARE NOT USING IT)AND SENDING A VIDEO TO BRITAX OF HOW EASILY THE CLIP COMES UNDONE AFTER CLICKED IN! WE ARE NOT HAPPY AND UPSET THAT OUR DAUGHTER GOT INJURED!

12/26/2016

LATCHES/LOCKS/LINKAGES

2 Reports1% of total

Previewing the first 2 complaint summaries.

TL* THE CONTACT OWNS A 2015 TOYOTA SIENNA. THE CONTACT RECEIVED NOTIFICATION FOR THE LATCHES/LOCKS/LINKAGES. THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE NHTSA CAMPAIGN NUMBER WAS UNKNOWN. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

1/19/2017

TL* THE CONTACT OWNS A 2015 TOYOTA SIENNA. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 16V858000 (LOCKS/LATCHES/LINKAGES) HOWEVER, THE PART FOR THE RECALL REPAIR WAS UNAVAILABLE. THE CONTACT STATED THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE CONTACT HAD NOT EXPERIENCED ANY FAILURES. THE MANUFACTURER WAS NOT MADE AWARE OF THE ISSUE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

3/15/2017

STRUCTURE

2 Reports1% of total

Previewing the first 2 complaint summaries.

TL* THE CONTACT OWNS A 2015 TOYOTA SIENNA. THE CONTACT STATED THAT THE POWER SLIDING DOOR WOULD CLOSE AUTOMATICALLY WITHOUT ACTIVATION. WHEN ATTEMPTING TO OPEN THE DOOR AT TIMES, THE DOOR WOULD FAIL TO OPEN PROPERLY. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 16V858000 (STRUCTURE) HOWEVER, THE PART FOR THE RECALL REPAIR WAS UNAVAILABLE. THE CONTACT STATED THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 55,000. VIN TOOL CONFIRMS REMEDY NOT YET AVAILABLE.

3/30/2017

TL* THE CONTACT OWNS A 2015 TOYOTA SIENNA. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 16V858000 (STRUCTURE); HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE DEALER (AUBURN TOYOTA IN AUBURN, CALIFORNIA) CONFIRMED THAT THE PARTS WERE NOT AVAILABLE FOR THE RECALL REMEDY. THE MANUFACTURER DID NOT KNOW WHEN THE PARTS WOULD ARRIVE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE. UPDATED 08/08/17*LJ *TR

6/12/2017

VEHICLE SPEED CONTROL

2 Reports1% of total

Previewing the first 2 complaint summaries.

MY SIENNA VAN SOMETIMES RESPONDS VERY LATE TO ACCELERATION. THIS BECOMES A PROBLEM ON HIGHWAYS SPECIFICALLY DURING THE MERGING. ACCELERATION PADDLE HAS TO BE PRESSED VERY HARD, FOR FIRST FEW SECONDS THERE IS NO RESPONSE FROM ENGINE THEN LATTER IT SUDDENLY ACCELERATES. THIS MAKES YOU MISS JUDGE THE TIME REQUIRED TO MERGE ON HIGHWAYS AND CAN CAUSE ACCIDENTS. THIS HAS BEEN HAPPENING SINCE FEW MONTHS. I AM PROVIDING TENTATIVE DATE BELOW.

3/5/2020

I was at a stop light when I slowly started to lift my foot from the brake pedal. The engine started revving up and accelerate. I pressed the brake pedal normal , then harder when it would not stop revving. I looked down to see if I was hitting the gas pedal by accident. I was not, about after 5 seconds it stop revving. I went about a foot and nobody was in front of me. I going to have it checked out by my dealer. This happened before and I thought it was driver error .When I thought I was hitting the gas pedal and brake pedal. I searched for incidents like mine, but could not find something exactly just similar. I did not look at the dashboard so i do not know if there was a message . So I'm reporting this incident to get answers and alert others of this issue.

7/24/2022

TIRES:TREAD/BELT

2 Reports1% of total

Previewing the first 2 complaint summaries.

We purchased Nokian WrG3 225/60 R18 tires as replacements for the original tires, because we wanted all weather capability. They were installed in November of 2016. One tire subsequently was damaged due to road hazard; was replaced with same Nokian tire. In August, 2021, the tires needed balancing. The dealer (same place we bought them) could not balance them because three of the tires had belt separation. I did not check tire serial number, but assume them to be the original three we purchased new. We are awaiting Nokian's response, as the tires are warranted five years from installation. It is unusual three tires would all suffer belt separation, all made at the same time. Logic would say it is a manufacturing defect.

9/9/2021

We recently had two Dunlop P 235 / 50 R 19 tires fail on our car. On 11/5/21, the front passenger-side tire tread and belt began to unravel while driving at freeway speed. This happened suddenly, with no warning lights, and we became aware of the problem when we heard a loud thumping noise from the unraveled tire striking the underside of the vehicle. We immediately exited the freeway, found a tire shop, and had the tire replaced. The following week, I inspected the other tires and found that the front drive-side tire was failing in exactly the same way. We immediately had that one replaced too. Neither tire shop that replaced the tires could identify a cause of the tire failures other than possible defects in the tires.

12/29/2021

EXTERIOR LIGHTING:TURN SIGNAL:SWITCH

1 Report0% of total

Previewing the first 1 complaint summaries.

2015 TOYOTA SIENNA LIMITED DEFECTIVE BRAKE SYSTEM DESIGN. THE CONSUMER STATED TOYOTA HAS DONE NOTHING TO FIX THE INAUDIBLE TURN INDICATOR. THE CONSUMER STATED THE ISSUE WAS WHETHER OR NOT THE BRAKING SYSTEM COULD SUPPORT TOWING AN ADDITIONAL 3500 POUND LOAD AS ADVERTISED. BASED ON HIS EXPERIENCE OF HAVING WARPED FRONT ROTORS THAT REQUIRED REPLACEMENT AT 19,242 MILES, THERE WAS A SERIOUS FRONT AND REAR BRAKE DESIGN FLAW. UPDATED 04/14/2017*JS *JS

4/1/2016

VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR

1 Report0% of total

Previewing the first 1 complaint summaries.

TL* THE CONTACT OWNS A 2015 TOYOTA SIENNA. WHILE DRIVING VARIOUS SPEEDS, BOTH THE DRIVER AND PASSENGER SIDE VIEW MIRRORS BECAME LOOSE, WHICH CHANGED THE DRIVER'S FOCUS OF THE ROAD. BYERS TOYOTA IN DELAWARE, OHIO WAS MADE AWARE OF THE FAILURE AND STATED THAT BOTH MIRRORS WOULD NEED TO BE REPLACED. IN ADDITION, THE DEALER STATED THAT THE VEHICLE WAS OUT OF WARRANTY. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 20,000.

12/8/2017

CHILD SEAT:SHELL:BOOSTER

1 Report0% of total

Previewing the first 1 complaint summaries.

BRITAX PINNACLE CLICKTIGHT, INSTALLED FOLLOWING INSTALLATION INSTRUCTIONS IN BOOSTER MODEL IN 2015 TOYOTA SIENNA MIDDLE-ROW, SEATBELT DOES NOT RETRACT, LEAVING CHILD SUSCEPTIBLE TO SEVERE INJURY IN CASE OF CRASH. I CONTACTED BRITAX VIA WEB FORM AND CALLED BRITAX. BRITAX ACKNOWLEDGED IN THEIR EMAIL RESPONSE THAT FAILURE OF SEATBELT TO RETRACT SOMETIMES CANNOT BE REMEDIED, AND ON THE PHONE THE BRITAX CALL CENTER REPRESENTATIVE ACKNOWLEDGED FAILURE OF SEATBELT TO RETRACT IN BOOSTER MODE OCCURRED ALSO ON THE BRITAX PINNACLE PRODUCT THE CALL CENTER REPRESENTATIVE WAS TESTING ON DURING OUR CALL. THIS PRODUCT IS UNSAFE FOR USE IN BOOSTER MODE AND SHOULD BE RECALLED. MODEL NUMBER: ENLZ15Q SERIAL NUMBER: ENLZ15Q004184 BATCH NUMBER: JOB0014514 DATE OF MANUFACTURE: 7/1/2015 *BF *TR

1/15/2018

TIRES

1 Report0% of total

Previewing the first 1 complaint summaries.

BOUGHT VEHICLE NEW, LIVE IN FLORIDA WITH NO POTHOLES, ETC. THE VAN IS EXTREMELY HARD ON TIRES, FIRST SET OF MICHELIN PRIMACY MXV4 TIRES LASTED TO 26,500 AND WERE SHOT. REPLACEMENT MICHELIN PREMIER LTX TIRES ARE SHOT IN 20,000 MILES. BOTH OF THESE MICHELIN TIRES WERE SUPPOSED TO LAST 60,000 MILES EACH. NEVER ANY DAMAGE TO THE VEHICLE, I AM THE ONLY DRIVER, BUT I JUST SPENT CLOSE TO $800 AT AN ALIGNMENT SHOP GETTING CAMBER KITS AND SHIMS INSTALLED AND ONE NEW FRONT STRUT ALL TRYING TO GET THE VEHICLE ALIGNMENT INTO FACTORY SPECS. AGAIN, NEVER ANY DAMAGE TO THE VEHICLE AND ALL TIRES WORE OUT RELATIVELY EVENLY, JUST WAY TOO PREMATURELY. FIRST PROBLEM IN MY OPINION IS THAT ALL VEHICLES SHOULD HAVE ALIGNMENT ADJUSTMENT ABILITY BUILT IN, THERE SHOULD NOT BE NEED FOR CAMBER BOLT KITS AND SHIMS FOR THE REAR AXLE. NEXT PROBLEM IS THIS EXCESSIVE TIRE WEAR ON TOYOTA SIENNA'S IS CLEARLY DOCUMENTED ALL OVER THE INTERNET, SO THIS IS NOT AN ISOLATED PROBLEM, BUT A WIDE SPREAD TOYOTA PROBLEM. TOYOTA SHOULD RESOLVE THIS FOR THEIR CUSTOMERS.

3/1/2018

ELECTRICAL SYSTEM:WIRING

1 Report0% of total

Previewing the first 1 complaint summaries.

TL* THE CONTACT CALLED ON BEHALF OF THE OWNER OF A 2015 TOYOTA SIENNA. UPON STARTING THE VEHICLE, THE TRACTION INDICATOR ILLUMINATED AND AN ABNORMAL NOISE WAS HEARD COMING FROM THE ENGINE COMPARTMENT. THE VEHICLE WAS TAKEN TO THE PLAZA TOYOTA DEALER (2721 NOSTRAND AVE, BROOKLYN, NY 11210, 347-983-5652) WHERE IT WAS DIAGNOSED WITH AN UNKNOWN WIRING FAILURE DUE TO RODENTS ENTERING THE ENGINE COMPARTMENT. THE VEHICLE OWNER HAD THE VEHICLE REPAIRED, BUT WAS UNAWARE OF THE REPAIR SPECIFICS. THE FAILURE RECURRED THREE MONTHS LATER AND THE VEHICLE WAS TAKEN BACK TO THE SAME DEALER WHERE IT WAS DIAGNOSED THAT THE WIRING WAS DESTROYED AGAIN BY RODENTS. THE VEHICLE WAS NOT REPAIRED AGAIN. THE MANUFACTURER WAS MADE AWARE OF THE FAILURES AND REFERRED THE CONTACT BACK TO THE DEALER. THE FAILURE MILEAGE WAS 16,382.

4/20/2018

VISIBILITY:SUN/MOON ROOF ASSEMBLY

1 Report0% of total

Previewing the first 1 complaint summaries.

SUNROOF SPONTANEOUSLY BURST ON JUNE 6, 2018, AROUND 7:25PM, MY FAMILY AND I WERE HEADING HOME A STORE, GOING NORTH ON MO-65 AT ABOUT 65 MPH IN SPRINGFIELD, MO. JUST SOUTH OF BATTLEFIELD RD, WE HEARD A LOUD "POP" SOUND. WE THOUGHT OUR DAUGHTER HAD HIT HER METAL THERMOS AGAINST THE BACK WINDOW. WHEN WE ARRIVED HOME, HOWEVER, I HEARD A CRACKLING SOUND AND TRACED IT TO THE SUNROOF, WHICH WAS SHATTERED (LIKE A SPIDER WEB) AND BULGING AT THE TOP. SINCE THEN, AS OF 9AM THE FOLLOWING DAY, IT HAS CONTINUED TO BULGE MORE, WITH A COUPLE OF SMALL PIECES OF GLASS HAVING POPPED OUT ONTO THE TOP OF THE GLASS. IT HAS NOT YET COLLAPSED INTO THE CAR, BUT I AM LEAVING THE SUNROOF SHADE CLOSED SO THE GLASS DOESN'T FALL INTO THE CABIN. OF NOTE, THE WEATHER WAS MOSTLY SUNNY, TEMPERATURE AROUND 80F. THE SUNROOF WAS CLOSED, AS WAS THE SUNROOF SHADE. TRAFFIC WAS FAIRLY LIGHT IMMEDIATELY AROUND US. THERE WERE NO LARGE TRUCKS NEARBY. NO ROCKS OR GRAVEL WAS HITTING THE UNDERSIDE OF THE CAR, AND THERE WERE NO OTHER SOUNDS OF ANYTHING HITTING THE CAR.

6/7/2018

VEHICLE SPEED CONTROL:CRUISE CONTROL

1 Report0% of total

Previewing the first 1 complaint summaries.

TL* THE CONTACT OWNED A 2015 TOYOTA SIENNA. THE CONTACT STATED THAT THE CRUISE CONTROL FAILED TO DEACTIVATE WHEN THE BRAKE PEDAL WAS DEPRESSED. AS A RESULT, THE VEHICLE WAS INVOLVED IN A FRONT IMPACT COLLISION. THE AIR BAGS DEPLOYED. THE CONTACT SUSTAINED A SEVERE HEAD INJURY, THE FRONT SEAT PASSENGER SUSTAINED A BROKEN NOSE AND CRACKED RIBS, AND THE REAR SEAT PASSENGER SUSTAINED MINOR INJURIES. MEDICAL ATTENTION WAS REQUIRED. A POLICE REPORT WAS FILED. THE VEHICLE WAS DESTROYED AND TOWED TO A SALVAGE YARD. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 13,000. THE VIN WAS NOT PROVIDED.

6/26/2018

VISIBILITY:GLASS, SIDE/REAR

1 Report0% of total

Previewing the first 1 complaint summaries.

TL* THE CONTACT OWNS A 2015 TOYOTA SIENNA. WHILE THE VEHICLE WAS PARKED IN THE DRIVEWAY, THE REAR PASSENGER SIDE QUARTER PANEL WINDOW EXPLODED WITHOUT WARNING. THE DEALER (COURTESY TOYOTA OF BRANDON, 9210 E ADAMO DR., TAMPA, FL 33619, (813) 639-8045) WAS CONTACTED, BUT THE VEHICLE WAS NOT TAKEN IN FOR DIAGNOSTIC TESTING OR REPAIRS. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 37,857.

7/18/2018

STRUCTURE:BODY:HATCHBACK/LIFTGATE:SUPPORT DEVICE/STRUT

1 Report0% of total

Previewing the first 1 complaint summaries.

THE TRUNK DOOR HAS FAILED. IT DOES NOT STAY UP WHEN YOU OPEN IT WITH EITHER THE REMOTE OR FROM INSIDE THE CAR. THE DOOR WILL OPEN BUT WILL NOT STAY UP... IT FALLS RIGHT BACK DOWN. THE INDICATOR THAT THE DOOR IS OPEN CONTINUES TO BUZZ AS YOU DRIVE BECAUSE WHEN THE DOOR FALLS BACK DOWN-- IT DOES NOT COMPLETELY CLOSE

1/25/2019

EQUIPMENT

1 Report0% of total

Previewing the first 1 complaint summaries.

TRYING TO DETERMINE IF MILEAGE ON 2015 TOYOTA SIENNA XLE [XXX] IS ACCURATE. CURRENT ADS FROM CARVANA SHOWING 23,377 MILES BUT ON OCT 5, 2019 COMPLAINS VIA VIN CHECK SHOWING THIS CAR HAVE 58,410 MILEAGE. IS THIS FRAUDULENT OR ACCURATE,. WANT TO BUY BUT NOT ANYMORE. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

2/14/2020

ELECTRICAL SYSTEM:12V/24V/48V BATTERY

1 Report0% of total

Previewing the first 1 complaint summaries.

The contact owns a 2015 Toyota Sienna. The contact stated that the vehicle failed to start after several attempts. The contact stated that she was quadriplegic and was unable to exit the vehicle because the door lock switch was disengaged but failed to respond. There were no warning lights illuminated. The contact stated that she was able to jumpstart the vehicle with assistance. The contact then engaged and disengaged the door lock switch and she was able to exit the vehicle. The contact stated that she notified the modifier of the vehicle, but they said they could not assist with the failure. The dealer and the manufacturer were not notified of the failure. The vehicle was not diagnosed nor repaired. The approximate failure mileage was 48,000. The VIN was not available.

12/17/2021

About This Data

Data and Methodology

MethodologyHow we score →

Scores are derived from NHTSA recalls and owner complaints, normalized by vehicle segment averages.

FAQ

What are the most common owner complaints for the 2015 Toyota Sienna?

The most reported complaint category for the 2015 Toyota Sienna is STRUCTURE:BODY, with 51 owner reports. That is about 18% of all complaints logged here. Other recurring themes include STRUCTURE:BODY, UNKNOWN OR OTHER, ELECTRICAL SYSTEM.

Are complaints about the 2015 Toyota Sienna a serious warning sign?

Potentially. 107 complaint reports fall into higher-attention systems such as brakes, steering, engine, powertrain, fuel, suspension, airbags, or electrical components. That does not prove every vehicle has a defect, but repeated complaints in those systems justify a more careful pre-purchase inspection.

How should buyers use complaint data for the 2015 Toyota Sienna?

Use complaints as an early pattern to investigate, not a standalone verdict. Start with the top complaint categories, compare those themes against the recall report and maintenance guide, then inspect service records for evidence that the same problem areas were already addressed. If the same issue appears repeatedly across complaints and recalls, treat it as a real ownership-risk flag.

Are complaints about the 2015 Toyota Sienna severe?

107 complaint reports involve higher-attention systems such as brakes, steering, engine, powertrain, fuel, suspension, airbags, or electrical components, which is enough to justify a focused inspection before purchase.

Complaint list entries are sourced from owner-submitted NHTSA ODI records.

Read complaint summaries

Toyota Sienna: How should complaint data influence buying decisions?

Use complaint patterns together with recalls and maintenance guidance to estimate ownership risk and inspection priorities.

Carfocal links complaint data directly to recall and maintenance routes for the same model year.

Return to full vehicle report
Complaint entries
278
Top-topic view
5 grouped topics shown
Primary source
NHTSA ODI owner complaint records

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In this guide

  1. 01Overview
  2. 02Common Problems
  3. 03Owner Complaints
  4. 04Data and Methodology

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