2016 Toyota Sienna Owner Complaints

Complaint Summary
The 2016 Toyota Sienna has 98 reported complaints.
- Top issues involve structure:body and unknown or other.
Reliability Score
Reliability Score
Based on 98 complaints
Most Frequent Issues
STRUCTURE:BODY
23 23.5%
UNKNOWN OR OTHER
14 14.3%
ELECTRICAL SYSTEM
8 8.2%
SEAT BELTS
6 6.1%
AIR BAGS
5 5.1%
Quick Insights
The top category is STRUCTURE:BODY, accounting for 23.5% of all complaints.
Owners have reported issues across 25 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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What owners keep reporting on the 2016 Toyota Sienna
The 2016 Toyota Sienna has 98 owner complaints in this dataset. STRUCTURE:BODY is the most common complaint category, representing about 23% of the reports shown here.
Most common complaint categories
The top complaint groups for the 2016 Toyota Sienna are STRUCTURE:BODY (23), UNKNOWN OR OTHER (14), ELECTRICAL SYSTEM (8).
Are these complaints a serious red flag?
Potentially. 26 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 2016 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.
Detailed Complaint Log
Showing 25 of 25 systems
STRUCTURE:BODY
23 Reports23% of totalPreviewing the first 2 complaint summaries.
THE SLIDING PASSENGER DOORS STOPPED WORKING AND YOU COULD NOT OPEN THEM MANUALLY. PASSENGERS SIDE DOOR STOPPED WORKING 8/3/15 AND THE DRIVERS SIDE DOOR STOPPED WORKING 5/3/16.
5/3/2016
TL* THE CONTACT OWNS A 2016 TOYOTA SIENNA. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 16V858000 (STRUCTURE). THE PART TO DO THE REPAIR WAS NOT AVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE VEHICLE WAS A MODIFIED HANDICAPPED VEHICLE. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.
1/9/2017
UNKNOWN OR OTHER
14 Reports14% of totalPreviewing the first 2 complaint summaries.
THE VANS THAT HAVE BEEN CONVERTED TO A HANDICAP/MOBILITY VAN ARE UNSAFE FOR OTHERS TO DRIVE ONCE THE DRIVER SEAT HAS BEEN REMOVED. I HAVE CONTACTED THE LOCAL COMPANY RESPONSIBLE FOR THE CONVERSION, AND THEY TOLD ME TO SIT ON A DINNING ROOM CHAIR OR A BUCKET. THAT IS DEFINITELY NOT A SAFE OPTION WHEN A NON HANDICAP PERSON NEEDS TO MOVE OR DRIVE THE VAN. I BELIEVE THERE NEEDS TO BE A SEAT MADE THAT CAN CLIP INTO THE WHEEL CHAIR CLAMPS THAT THE HANDICAP DRIVER USES.
5/16/2016
NOTHING HAS HAPPENED YET WITH MY VEHICLE BUT TOYOTA JUST SENT A LETTER WITH A RECALL ON THE AUTOMATIC DOORS ON THEIR VANS FROM 2011-2016. CHILDREN RIDE IN THE BACK SEAT OF VANS AND THEY ARE PUTTING THEM IN DANGER. THEY DON'T HAVE A FIX FOR THIS BESIDES TO TURN OFF AUTOMATIC DOORS WHICH IS A MAIN FEATURE OF THE VAN INCLUDED IN THE COST OF THE VEHICLE. IT IS UNACCEPTABLE THAT THEY HAVE NO FIX FOR THESE AND AREN'T OFFERING PARTIAL REFUNDS TO OWNERS THAT HAVE PAID FOR THOSE FEATURES. TOYOTA NEEDS CLOSER REGULATIONS ON THEIR VEHICLES BECAUSE THEY HAVE HAD SO MANY RECALL ISSUES IT IS RIDICULOUS. NOT TO MENTION PUTTING CHILDREN IN DANGER WITH THIS NEW DOOR ISSUE. I HOPE THAT THEY ARE FINED AND REGULATED MORE IN THE FUTURE SO THAT THEY DON'T CONTINUE TO PUT OUR CHILDREN AND FAMILIES IN DANGER.
1/21/2017
ELECTRICAL SYSTEM
8 Reports8% of totalPreviewing the first 2 complaint summaries.
THE SLIDING PASSENGER DOORS STOPPED WORKING AND YOU COULD NOT OPEN THEM MANUALLY. PASSENGERS SIDE DOOR STOPPED WORKING 8/3/15 AND THE DRIVERS SIDE DOOR STOPPED WORKING 5/3/16.
5/3/2016
DASH LIGHTS AND GAUGES ALL GO OUT AND HEAD LAMPS GO DIM. TOOK IT TO DEALER WHO COULD NOT DO ANYTHING AS THE PROBLEM WAS NOT HAPPENING AT THAT TIME. STARTED WITH ABOUT 8500 MILES ON CAR AND I WOULD SAY IT HAPPENS ABOUT TWICE A WEEK OR MORE.
1/12/2017
SEAT BELTS
6 Reports6% of totalPreviewing the first 2 complaint summaries.
RIGHT SIDE PASSENGER DOOR, OPENED BY ITSELF WHILE DRIVING. MY JIDS WERE SEATED ON THE BACK WITH GRANDMA. DOOR ALSO, CLOSES BY ITSELF HURTING THE PASSENGER WHO IS TRYING TO GET INTO. IT HURT SEVERAL TIMES MY 8YR OLD DAUGHTER, MY 11 YR OLD BOY AND GRANDMA. EVEN CLOSES WHEN YOU ARE PUTTING STUFF IN THE PASSENGER SIDE.
6/20/2017
TL* THE CONTACT OWNS A 2016 TOYOTA SIENNA. WHILE DRIVING 70 MPH, THE DRIVER'S SEAT BELT FRACTURED WITHOUT WARNING. IN ADDITION, WHILE DRIVING VARIOUS LOW SPEEDS, BOTH SLIDING DOORS OPENED ON MORE THAN ONE OCCASION. THE CONTACT STATED THAT THE REAR PASSENGER SLIDING DOOR OPENED MOSTLY WHILE DRIVING. THE VEHICLE WAS TAKEN TO AN UNKNOWN TOYOTA DEALER IN WALNUT CREEK, CALIFORNIA TO BE REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE FAILURE MILEAGE WAS APPROXIMATELY 100.
10/17/2017
AIR BAGS
5 Reports5% of totalPreviewing the first 2 complaint summaries.
THIS IS A BRAND NEW CAR WE PURCHASED FROM THE DEALER. WE WANTED TO FIND OUT WHAT TYPE (THE MANUFACTURER) OF AIRBAG WAS INSTALLED IN THE CAR. THE DEALER DOES NOT KNOW. TOYOTA HEADQUARTER REFUSED TO GIVE OUT.
6/3/2016
TL* THE CONTACT OWNS A 2016 TOYOTA SIENNA. WHILE DRIVING APPROXIMATELY 65 MPH, THE CONTACT LOST CONTROL OF THE STEERING WHEEL. THE CONTACT WAS NOT ABLE TO STOP THE VEHICLE AND THE ELECTRONIC BRAKE WARNING INDICATOR ILLUMINATED. THE CONTACT CRASHED INTO A ROAD SIGN. THE AIR BAGS DID NOT DEPLOY. A POLICE REPORT WAS FILED. THERE WERE MINOR INJURIES THAT DID NOT REQUIRE MEDICAL ATTENTION. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC, BUT WAS NOT DIAGNOSED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VIN WAS UNKNOWN. THE APPROXIMATE FAILURE MILEAGE WAS 9,000.
9/28/2016
WHEELS
5 Reports5% of totalPreviewing the first 2 complaint summaries.
3 RUN FLAT BRIDGESTONE TIRES BLOWN UP WHILE DRIVING FOR NO REASON OR ROAD HAZARDS IN LESS THAN 21,000 MILES AND WITHIN 4 WEEKS. FIRST TIRE IN CHICAGO HIGHWAY, TRAVELING ABOUT 40 TO 50 MPH, SECOND IN ARKANSAS/OKLAHOMA HIGHWAY ABOUT 60 TO 70 MPH AND 3RD IN BOSTON/REVERE AREA TRAVELING 3 TO 7 MPH WHILE PARKING. NO OTHER DAMAGE TO TIRES. 2 SIDEWALLS BLOWN AND ONE CRACKED IN THE MIDDLE. SAME BRAND TIRES, TWO DIFFERENT MODELS. BRIDGESTONE DUELER AND BRIDGESTONE TURANZA.
7/30/2017
VEHICLE IS 1.5 YEARS OLD, ABOUT 20K MILES, AND JUST RECEIVED WORD THAT WE'LL NEED 4 NEW TIRES @ $300/EA BECAUSE OUTSIDE WEARING IS OCCURRING. DEALER NOR MICHELIN TAKING RESPONSIBILITY OR WARRANTY, BOTH POINTING AT EACH OTHER FOR THE ISSUE. THIS APPEARS TO BE AN ONGOING ISSUE WITH THIS VEHICLE - WAS NOT DISCLOSED BEFORE PURCHASING THE SIENNA THAT TIRES WOULD ONLY LAST 20K MILES ON THIS VEHICLE.
1/10/2018
EXTERIOR LIGHTING
4 Reports4% of totalPreviewing the first 2 complaint summaries.
BLIND SPOT MONITOR ONLY ACTIVATES WHEN PASSING CAR REACHES REAR FENDER WHICH IS INSUFFICIENT WARNING -- UNSAFE AT ALL SPEEDS. IF YOU WERE TO DEPEND ON IT WHEN CHANGING LANES IT COULD CAUSE A SERIOUS ACCIDENT. MY 2013 LEXUS ALSO HAS BSM WHICH OPERATES PERFECTLY WITH GOOD AND SUFFICIENT WARNING FOR LANE CHANGE.
9/18/2016
THE DASH BOARD LIGHTS AND ALL INTERIOR LIGHTS CONTINUE TO GO OUT WITH OUT WARNING. IT REQUIRES STOPPING THE VAN SHUTTING IT OFF AND RESTARTING IT. THE HEADLAMP DIM THEMSELVES AND THEN BRIGHTEN WHILE DRIVING. TOOK IT TO DEALERSHIP TWICE NOW FOR ISSUE. DEALER STATED SINCE PROBLEM WAS NOT OCCURRING AT THAT MOMENT THERE IS NO TEST THEY COULD DO. SERVICE MANAGER ALSO STATED THAT TOYOTA DOESN'T LIKE THE DEALERSHIPS TRYING TO GUESS AT WHAT MAYBE WRONG. THIS IS A MAJOR SAFETY ISSUE WHEN DRIVING AT NIGHT.
2/19/2017
STEERING
4 Reports4% of totalPreviewing the first 2 complaint summaries.
TL* THE CONTACT OWNS A 2016 TOYOTA SIENNA. WHILE DRIVING APPROXIMATELY 65 MPH, THE CONTACT LOST CONTROL OF THE STEERING WHEEL. THE CONTACT WAS NOT ABLE TO STOP THE VEHICLE AND THE ELECTRONIC BRAKE WARNING INDICATOR ILLUMINATED. THE CONTACT CRASHED INTO A ROAD SIGN. THE AIR BAGS DID NOT DEPLOY. A POLICE REPORT WAS FILED. THERE WERE MINOR INJURIES THAT DID NOT REQUIRE MEDICAL ATTENTION. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC, BUT WAS NOT DIAGNOSED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VIN WAS UNKNOWN. THE APPROXIMATE FAILURE MILEAGE WAS 9,000.
9/28/2016
TL* THE CONTACT OWNED A 2016 TOYOTA SIENNA. WHILE DRIVING 65 MPH, THE STEERING WHEEL SEIZED AND THE VEHICLE CRASHED INTO A CEMENT BARRIER ON THE DRIVER SIDE WITHOUT WARNING. THE AIR BAGS DEPLOYED. THERE WERE NO INJURIES AND A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED TO A TOW LOT WHERE IT WAS DEEMED A TOTAL LOSS. THE VEHICLE WAS NOT TAKEN TO A DEALER TO BE DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 23,000.
7/20/2018
ENGINE
4 Reports4% of totalPreviewing the first 2 complaint summaries.
IN COLD TEMPERATURES, THIS VEHICLE MODEL (ACCORDING TO THE DEALER) DOES NOT SHIFT INTO OVERDRIVE RIGHT AWAY WHEN DRIVING FROM A COLD-START. THIS CAUSING A MOMENTARY ACCELERATION WHEN BRAKING AND PRESENTS AN UNEXPECTED SAFETY ISSUE. I HAVE FOUND THIS ISSUE POSTED ON SEVERAL CAR FORUMS AND IT APPEARS TO AFFECT MORE THAN JUST THE 2016 MODEL SIENNA, BUT DOES NOT TRIGGER A FAULT OF ANY KIND. *TR
1/3/2017
MY 2016 TOYOTA SIENNA THAT HAS 16,000 MILES WAS PARKED AT HOME AND I WENT TO GO START IT AND IT STALLED. THE CAR WAS TOWED TO HENDRICK TOYOTA OF APEX, NC AND THEY TOLD ME THAT RODENTS CHEWED THREW THE WIRING AND IT WAS NOT COVERED BY MY WARRANTY. I HAVE COMPLAINED TO BOTH THE DEALERSHIP AND TO TOYOTA. I HAVE HAD ANOTHER TOYOTA PARKED IN WITHIN THE SAME PROXIMITY FOR OVER 15 YEARS. I HAVE NEVER HAD RODENT ISSUES WITH IT. I AM CONCERNED FOR THE SAFETY OF MY FAMILY. IIF THERE ARE MICE LIVING INSIDE THE CAR, THEY COULD BE LEAVING RAT DROPPINGS THAT COULD BE HARMFUL TO BOTH OF THEM. I AM ANGRY AND CONCERNED AND DON'T UNDERSTAND WHY, WHEN OTHER VEHICLES PARKED IN THE SAME LOCATION AREN'T EXPERIENCING THE SAME PROBLEM. AFTER FURTHER RESEARCH I FOUND THAT AUTO MANUFACTURERS IN ORDER TO GO GREEN ARE USING SOY BASED PRODUCTS ON WIRES INSTEAD OF PETROLEUM. THEY ARE USING SUGAR IN THEIR PLASTICS. RICE HUSKS IN THEIR INTERIORS. ALL THIS STUFF ATTRACTS RODENTS. THIS IS UNACCEPTABLE! MY DEALERSHIP SAID THEY ARE SEEING AT LEAST 2 RODENT DAMAGED VEHICLES A WEEK. TOYOTA NEEDS TO FIX THIS PROBLEM, CHANGE THE MATERIALS THEY USE, AND COVER IT UNDER WARRANTY. THERE HAVE BEEN SEVERAL CLASS ACTION LAWSUITS AGAINST TOYOTA FOR THIS ISSUE. HERE ARE TWO ARTICLES THAT DETAIL THE PROBLEM MYSELF AND OTHER TOYOTA OWNERS HAVE HAD - HTTP://CTWATCHDOG.COM/FINANCE/RODENTS-DAMAGE-CARS-BYCHEWING-ELECTRICAL-CONNECTIONS-TIPS-ON-HOW-TO-AVOID-COSTLYREPAIRS, HTTP://WWW.SYNLUBE.COM/INCREDIBLEEDIBLECAR1.HTM
4/27/2018
VISIBILITY/WIPER
3 Reports3% of totalPreviewing the first 2 complaint summaries.
BOUGHT THE CAR, NEW, A LITTLE OVER A MONTH AGO. 3 MILES ON THE ODOMETER AT THE TIME OF PURCHASE. HAVE DRIVEN THE CAR UNDER 800 MILES. CAR HAS BEEN COVERED, IN OUR DRIVEWAY, SINCE MAY 20TH. CAME OUT YESTERDAY (MAY 30TH) TO MOVE IT. UNCOVERED IT AND FOUND THE CRACK ALONG THE LOWER SECTION OF THE WINDSHIELD. IT WAS NOT THERE WHEN I COVERED IT ON THE 20TH. THERE IS NO EVIDENCE OF "CHIP OR DAMAGE" JUST THE CRACK (WHICH WAS NOT THERE WHEN THE CAR WAS COVERED). CAR WAS STATIONARY, IN OUR DRIVEWAY ON A PRIVATE, GATED STREET, COVERED. CONCERNED THAT THERE IS A FAULTY DESIGN ISSUE AND THAT WILL HAPPEN AGAIN. SCARES ME TO THINK IT COULD HAPPEN WHEN I'M DRIVING WITH OTHERS IN THE CAR. TOYOTA IS NOT TAKING RESPONSIBILITY. THEY HAVE TOLD ME TO BRING IT IN FOR "EVALUATION". THE DEALERSHIP IS 45 MINUTES AWAY, AND I DO NOT THINK IT IS SAFE TO DRIVE.
5/31/2016
THIS NEW TOYOTA SIENNA 2016 WAS DELIVERED WITH A DEFECTIVE FRONT WINDSHIELD WITH DISTORTION AT THE CENTER BOTTOM. IT CAUSES THE ROAD MARKINGS TO BECOME WAVY AND DISTORTED, AND IS DANGEROUSLY DISTRACTING ESPECIALLY AT NIGHT OR IN LOW LIGHT SITUATIONS. THE DEALER WAS IMMEDIATELY NOTIFIED, AND CHECKED OTHER SIENNAS ON THE LOT, ALL OF WHICH HAVE THE SAME DEFECT. THE DEALER DIRECTED US TO TOYOTA, AND TOYOTA FAILED TO RESPOND AND DID NOT CORRECT THE ISSUE.SINCE IT IS APPARENTLY A VEHICLE WIDE DEFECT, IT SEEMS A RECALL WOULD BE REQUIRED TO ADDRESS THE ISSUE.
12/16/2016
POWER TRAIN
3 Reports3% of totalPreviewing the first 2 complaint summaries.
IN COLD TEMPERATURES, THIS VEHICLE MODEL (ACCORDING TO THE DEALER) DOES NOT SHIFT INTO OVERDRIVE RIGHT AWAY WHEN DRIVING FROM A COLD-START. THIS CAUSING A MOMENTARY ACCELERATION WHEN BRAKING AND PRESENTS AN UNEXPECTED SAFETY ISSUE. I HAVE FOUND THIS ISSUE POSTED ON SEVERAL CAR FORUMS AND IT APPEARS TO AFFECT MORE THAN JUST THE 2016 MODEL SIENNA, BUT DOES NOT TRIGGER A FAULT OF ANY KIND. *TR
1/3/2017
TL* THE CONTACT OWNS A 2016 TOYOTA SIENNA. THE CONTACT RECEIVED A NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 16V585000 (POWER TRAIN); 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 CONTACT CALLED AUTONATION TOYOTA ARAPAHOE AT 303-578-6111 AND WAS INFORMED THAT SHE WOULD RECEIVE A CALL BACK WHEN THE PARTS ARRIVE. THE MANUFACTURER WAS NOTIFIED AND INFORMED THE CONTACT TO CALL THE DEALER. THE CONTACT MENTIONED THAT THE DRIVER'S DOOR FAILED TO OPEN COMPLETELY. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS UNKNOWN. VIN TOOL CONFIRMS PARTS DISTRIBUTION. *TT CONSUMER STATED DRIVER'S SIDE SLIDING. POWER DOORS HAD BEEN TURNED OFF WHEN RECALL RECEIVED IN OCT OR NOV 2016. UPDATED 8/13/18*JB
11/17/2017
LATCHES/LOCKS/LINKAGES:DOORS:LATCH
3 Reports3% of totalPreviewing the first 2 complaint summaries.
TL* THE CONTACT OWNS A 2016 TOYOTA SIENNA. WHILE DRIVING 70 MPH, THE DRIVER'S SEAT BELT FRACTURED WITHOUT WARNING. IN ADDITION, WHILE DRIVING VARIOUS LOW SPEEDS, BOTH SLIDING DOORS OPENED ON MORE THAN ONE OCCASION. THE CONTACT STATED THAT THE REAR PASSENGER SLIDING DOOR OPENED MOSTLY WHILE DRIVING. THE VEHICLE WAS TAKEN TO AN UNKNOWN TOYOTA DEALER IN WALNUT CREEK, CALIFORNIA TO BE REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE FAILURE MILEAGE WAS APPROXIMATELY 100.
10/17/2017
The contact owns a 2016 Toyota Sienna. The contact stated the driver-side sliding door latch failed to latch as intended. The contact stated that after several attempts, the sliding door failed to close completely. The contact stated that no warning light was illuminated. The vehicle was taken to an independent mechanic but was not diagnosed. However, an unknown part was repaired. The contact stated that the failure persisted. The contact removed the button under the sliding door to manually close the door. The manufacturer was not notified of the failure. The contact related the failure to NHTSA Campaign number: 16V858000 (STRUCTURE); however, the VIN was not included. The failure mileage was approximately 70,000.
2/4/2025
SEATS
2 Reports2% of totalPreviewing the first 2 complaint summaries.
THE HEADRESTS TILT SO FAR FORWARD THAT THEY CAUSE NECK PAIN, PARTICULARLY ON TRIPS OF LONGER THAN 15 MINUTES. THEY SHOULD NOT BE SO FAR FORWARD THAT ONE'S HEAD IS IN CONTACT WITH THE HEADREST AT ALL TIMES, OR IF THEY DO NEED TO BE THAT FAR FORWARD, THEY SHOULD NOT BE AT SUCH AN ANGLE AS TO PRESS THE HEAD FORWARD AND DOWN.
7/25/2016
WITH SECOND CENTER SEAT INSTALLED (8-PASSENGER VAN), THE RECLINER COULD NEVER AUTOMATICALLY COME BACK UP WHEN PULL THE LEVER. DEALER INSPECTED IT AND DIDN'T FIND ANY ISSUE. HOWEVER, IT IS NOT NORMAL TO PULL THE LEVER AND SEAT BACK UP AT THE SAME TIME, ESPECIALLY WHEN SITTING ON THE CHAIR.
6/25/2017
VEHICLE SPEED CONTROL
2 Reports2% of totalPreviewing the first 2 complaint summaries.
IN COLD TEMPERATURES, THIS VEHICLE MODEL (ACCORDING TO THE DEALER) DOES NOT SHIFT INTO OVERDRIVE RIGHT AWAY WHEN DRIVING FROM A COLD-START. THIS CAUSING A MOMENTARY ACCELERATION WHEN BRAKING AND PRESENTS AN UNEXPECTED SAFETY ISSUE. I HAVE FOUND THIS ISSUE POSTED ON SEVERAL CAR FORUMS AND IT APPEARS TO AFFECT MORE THAN JUST THE 2016 MODEL SIENNA, BUT DOES NOT TRIGGER A FAULT OF ANY KIND. *TR
1/3/2017
ON JUNE 6, 2019 AT APPROXIMATELY 6 PM MY VEHICLE EXPERIENCED UNINTENDED ACCELERATION. I WAS DRIVING AT 15 MPH AND IT ACCELERATED TO 40-50 MPH. BRAKING DID NOT SLOW DOWN THE VEHICLE. I JUMPED THE CURB AND HIT THREE SMALL TREES. IT CAME TO A HALT AFTER UNDERCARRIAGE DAMAGE HAD BEEN SUSTAINED. IT WAS TOWED TO CUMMINGS MOBILITY WHERE I PURCHASED THE VEHICLE. THEY COULD NOT DETERMINED WHAT CAUSED THE UNINTENDED ACCELERATION.
6/30/2019
SUSPENSION
2 Reports2% of totalPreviewing the first 2 complaint summaries.
ON JUNE 6, 2019 AT APPROXIMATELY 6 PM MY VEHICLE EXPERIENCED UNINTENDED ACCELERATION. I WAS DRIVING AT 15 MPH AND IT ACCELERATED TO 40-50 MPH. BRAKING DID NOT SLOW DOWN THE VEHICLE. I JUMPED THE CURB AND HIT THREE SMALL TREES. IT CAME TO A HALT AFTER UNDERCARRIAGE DAMAGE HAD BEEN SUSTAINED. IT WAS TOWED TO CUMMINGS MOBILITY WHERE I PURCHASED THE VEHICLE. THEY COULD NOT DETERMINED WHAT CAUSED THE UNINTENDED ACCELERATION.
6/30/2019
THERE IS SOMETHING MECHANICALLY WRONG WITH THE DESIGN OF THE SUSPENSION THAT IS CAUSING TIRES TO WEAR COMPLETELY IN 15K-20K MILES. THIS IS A KNOWN ISSUE, AND NOTHING IS BEING DONE ABOUT IT. HTTPS://WWW.CARGURUS.COM/CARS/DISCUSSION-T34192_DS548164
8/29/2020
STRUCTURE
1 Report1% of totalPreviewing the first 1 complaint summaries.
TL* THE CONTACT OWNS A 2016 TOYOTA SIENNA. THE CONTACT RECEIVED A RECALL NOTIFICATION FOR NHTSA CAMPAIGN NUMBER: 16V858000 (STRUCTURE). THE PART NEEDED WAS UNAVAILABLE TO PERFORM THE RECALL REPAIR. THE MANUFACTURER WAS NOTIFIED. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT. ..UPDATED 02/09/17 *BF THE CONSUMER STATED HE/SHE EXPERIENCED AN ISSUE WITH THE DOOR OPENING/CLOSING. UPDATED 03/01/17.*JB
1/10/2017
STRUCTURE:BODY:HATCHBACK/LIFTGATE
1 Report1% of totalPreviewing the first 1 complaint summaries.
TL* THE CONTACT OWNS A 2016 TOYOTA SIENNA. THE CONTACT STATED THAT THE HATCH ON THE REAR OF THE VEHICLE CLOSED INDEPENDENTLY WITHOUT WARNING. THE FAILURE OCCURRED TWICE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 5,000.
1/18/2017
SERVICE BRAKES
1 Report1% of totalPreviewing the first 1 complaint summaries.
TL* THE CONTACT OWNS A 2016 TOYOTA SIENNA. WHILE DRIVING APPROXIMATELY 15 MPH, THE BRAKE PEDAL WAS DEPRESSED, BUT IT WAS DIFFICULT TO STOP THE VEHICLE. THE CONTACT HEARD A CLICKING NOISE AT THE TIME OF THE FAILURE. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 14,300.
1/31/2017
BACK OVER PREVENTION: CAMERA SYSTEM
1 Report1% of totalPreviewing the first 1 complaint summaries.
TL* THE CONTACT OWNS A 2016 TOYOTA SIENNA. WHILE OPERATING THE VEHICLE, THE REARVIEW CAMERA, WHICH WAS INTEGRATED INTO THE RADIO SYSTEM, MALFUNCTIONED AND STOPPED OPERATING. THE DEALER WAS UNABLE TO DIAGNOSE THE CAUSE OF THE FAILURE. THE CAMERA/RADIO UNIT WAS REPLACED, BUT THE FAILURE CONTINUED. THE CONTACT INDICATED THAT THE CAMERA/RADIO WAS REPLACED ON FOUR SEPARATE OCCASIONS. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 100.
4/24/2017
LATCHES/LOCKS/LINKAGES
1 Report1% of totalPreviewing the first 1 complaint summaries.
TL* THE CONTACT OWNS A 2016 TOYOTA SIENNA. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 16V858000 (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 NOTIFIED OF THE ISSUE AND INFORMED THE CONTACT NOT TO USE THE FEATURE FOR THE POWER DOORS. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.
4/24/2017
TIRES
1 Report1% of totalPreviewing the first 1 complaint summaries.
TL* THE CONTACT OWNS A 2016 TOYOTA SIENNA EQUIPPED WITH FIRESTONE FR710 TIRES, SIZE 205/65R16. WHILE THE VEHICLE WAS PARKED, THE CONTACT HEARD AN EXPLOSION. UPON INSPECTION, THE CONTACT DISCOVERED THAT THE FRONT DRIVER SIDE TIRE EXPLODED. THE CAUSE OF THE FAILURE WAS NOT DETERMINED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VIN WAS UNKNOWN. THE TIRE AND VEHICLE FAILURE MILEAGE WAS 3,750.
5/16/2017
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
1 Report1% of totalPreviewing the first 1 complaint summaries.
2016 TOYOTA SIENNA. CONSUMER WRITES IN REGARDS TO INCORRECT MILEAGE LISTED AT TIME OF PURCHASE. * LD *JS THE CONSUMER REQUESTED TO BE REIMBURSED FOR THE PURCHASING THE VEHICLE IF THE INVESTIGATION RESULTS IN DISCOVERING THE ODOMETER WAS TAMPERED WITH. *JS
1/3/2018
FUEL/PROPULSION SYSTEM
1 Report1% of totalPreviewing the first 1 complaint summaries.
OUR 2016 TOYOTA SIENNA SPONTANEOUSLY CAUGHT FIRE WHILE PARKED IN OUR DRIVEWAY AFTER RETURNING FROM A SHORT DRIVE. AFTER PULLING INTO OUR DRIVEWAY AND SHUTTING OFF THE IGNITION, MY WIFE SMELLED SMOKE AS SHE WAS EXITING THE PARKED VEHICLE. THIS SMOKE INTENSIFIED AND QUICKLY ACCELERATED BECOMING AN ENGINE COMPARTMENT FIRE. SHE CALLED FOR ME & THEN CALLED 911; BUT IN THE BRIEF MOMENTS IT TOOK ME TO GRAB A FIRE EXTINGUISHER, THE FIRE FURTHER INTENSIFIED WITH SIZABLE FLAMES ERUPTING OUT FROM AROUND THE HOOD, FRONT GRILL & UNDERNEATH THE VEHICLE. I USED UP 2 FIRE EXTINGUISHERS WITHOUT ANY SIGNIFICANT EFFECT. I DID NOT HAVE ANY PROTECTIVE SAFETY GEAR SO AFTER HEARING SEVERAL SMALL EXPLOSIONS COMING FROM UNDER THE HOOD & FEARING MORE EXPOSURE TO NOXIOUS FUMES, I DECIDED TO ABANDON MY ATTEMPTS TO EXTINGUISH THE FIRE. THE FIRE DEPT. ARRIVED WITHIN A FEW MINUTES AND WERE ABLE TO PUT THE FIRE OUT; HOWEVER, THE FIRE PROGRESSED THROUGH THE INITIAL ATTACK AND ENTERED THE PASSENGER COMPARTMENT CAUSING SEVERE DAMAGE TO THE ENTIRE VEHICLE (SEE ATTACHED PHOTOS). THE SIENNA IS COMPLETELY DESTROYED. FORTUNATELY, THERE WERE NO INJURIES. I HAVE BEEN MADE AWARE OF MULTIPLE INCIDENTS OF ENGINE FIRES IN TOYOTA SIENNAS IN THIS & OTHER CLOSELY RELATED MODEL YEARS (2014-2017). SEE: NHTSA ID NUMBER: 11010601. I CAN ALSO SUPPLY YOU WITH SOME ADDITIONAL MEDIA ACCOUNTS OF OTHER TOYOTA SIENNA ENGINE FIRE REPORTS. OUR SIENNA WAS ROUTINELY MAINTAINED AS PER MANUFACTURER'S RECOMMENDATIONS & WAS LAST SERVICED ON 9/13/2019 (SEE ATTACHED SERVICE RECEIPT). THE VEHICLE HAD APPROX. 35K MILES ON IT & EXHIBITED NO PRIOR SIGNS OF TROUBLE, CHANGE IN PERFORMANCE OR WARNING INDICATOR LIGHTS. WE DID HAVE AN UNRESOLVED PROBLEM WITH AUTOMATIC SIDE DOORS NOT OPERATING PROPERLY AFTER A RECALL REPAIR; HOWEVER, THE LOCAL TOYOTA DEALER SERVICE DEPT. COULD NOT IDENTIFY A PROBLEM AFTER MULTIPLE SERVICE COMPLAINTS.
12/12/2019
STRUCTURE:BODY:DOOR
1 Report1% of totalPreviewing the first 1 complaint summaries.
TL* THE CONTACT OWNS A 2016 TOYOTA SIENNA. THE CONTACT STATED THAT WHILE STOPPED WITH THE ENGINE STILL RUNNING, THE PASSENGER'S SIDE SLIDING DOOR SLID OPEN INDEPENDENTLY WITHOUT WARNING. THE VEHICLE WAS TAKEN TO AUBURN TOYOTA (800 NEVADA ST, AUBURN, CA 95603) AND REPAIRED UNDER NHTSA CAMPAIGN NUMBER: 16V858000 (STRUCTURE). APPROXIMATELY TWO YEARS LATER, THE FAILURE HAD RECURRED WHILE THE ENGINE WAS TURNED OFF. THE VEHICLE WAS TAKEN BACK TO THE SAME DEALER ON TWO SEPARATE OCCASIONS WHERE THE MECHANIC WAS UNABLE TO DUPLICATE THE FAILURE. THE MANUFACTURER WAS ALSO NOTIFIED OF THE FAILURE AND A CASE WAS FILED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 36,512.
7/16/2020
STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS
1 Report1% of totalPreviewing the first 1 complaint summaries.
The contact owns a 2016 Toyota Sienna. The contact stated that the driverâs side electric sliding door failed to properly open and close, and occasionally abruptly closed, causing a safety hazard to the occupants entering and exiting the vehicle. The cause of the failure has not yet been determined. The local dealer and manufacturer were notified of the failure, but no assistance was offered. The contact stated that the vehicle was previously repaired under NHTSA Campaign Number: 16V858000 (STRUCTURE). The contact stated that the vehicle had experienced the failure listed in the recall. The failure mileage was unknown.
4/25/2025
Data and Methodology
Scores are derived from NHTSA recalls and owner complaints, normalized by vehicle segment averages.
What are the most common owner complaints for the 2016 Toyota Sienna?
Are complaints about the 2016 Toyota Sienna a serious warning sign?
How should buyers use complaint data for the 2016 Toyota Sienna?
Are complaints about the 2016 Toyota Sienna severe?
Complaint list entries are sourced from owner-submitted NHTSA ODI records.
Toyota Sienna: How should complaint data influence buying decisions?
Carfocal links complaint data directly to recall and maintenance routes for the same model year.
- Complaint entries
- 98
- Top-topic view
- 5 grouped topics shown
- Primary source
- NHTSA ODI owner complaint records
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