RoadVitals

2011 Toyota Sienna Engine Problems

Owner-reported complaints naming the engine system, filed with NHTSA

Data refreshed

Engine reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
29
Latest Apr 17, 2026
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
5%
of 611 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
5
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
3

What this page shows

Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components. Every record below is an owner-reported complaint about the 2011 Toyota Sienna submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 29 reports on file name it.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Owner reports naming engine

The 25 most recent of 29, in the owner's own words

ElectricalEngine
Filed Apr 17, 2026

The catalyst, the Evap and the EGR/VVT

NHTSA ID
11731849
Incident
Jan 1, 2023
Engine
Filed Apr 9, 2025

I just but this car but I think the seller changed the mileage on it.

NHTSA ID
11653586
Incident
Apr 4, 2025
Engine
Filed Nov 11, 2023

Driving down highway noticed white smoke coming from car. Exited highway and warning light then came on saying engine oil low. Stopped van immediately on side of the road and had it towed. Appears the oil coolant line burst which is a known issue on these vehicles after google searching, but was never made aware. Always completed all recalls. Extremely dangerous especially with children in car.

NHTSA ID
11554674
Incident
Nov 11, 2023
EngineFuel systemPowertrain (other)
Filed Dec 26, 2020

I WAS DRIVING FROM TORONTO TO VIRGINIA ON 23 DEC 2020 AND REFILLED GAS IN SPRINGFIELD NY WALMART GAS STATION TO REFILL THE GAS. WHEN I ENTERED BEDFORD PA TURNPIKE, THE CAR SOUNDED WITH DIFFERENT SOUNDS FROM ENGINE ON THE RAMP WHEN ENTERING THE 70/76 FREEWAY. WHEN ENTERED TO VIRGINIA FROM MARYLAND BORDER AFTER POTOMAC RIVER CROSSING ON HIGHWAY 15 , THE CAR SUDDENLY STOPPED WHILE DRIVING AT 30 MPH AND PULLED THE CAR TO THE SIDE OF THE ROAD SLOWLY AND WHEN I RESTARTED THE CAR, IT STARTED NORMAL AND DROVE TILL CHANTILLY VIRGINIA WITHOUT ANY STOPPING. BUT THE ENGINE GAVE ME DIFFERENT NOISES.

NHTSA ID
11384962
Incident
Dec 24, 2020
Mileage
110,000 mi
Engine
Filed Nov 5, 2020

WHILE DRIVING I HEARD A NOISE COMING FROM THE ENGINE. I STOPPED AND PARK THE VEHICLE, OPENED THE HOOD AN NOTICED OIL ALL OVER THE BOTTOM PART OF THE ENGINE. (OIL LEAK OR SEEP FROM THE ENGINE OIL COOLER PIPE).I PURCHASED THIS VEHICLE FROM A TOYOTA DEALERSHIP IN STANFORD CT. AND I WAS NEVER ADVISED OF THIS ISSUE, NOR FROM TOYOTA OR THE DEALERSHIP ITSELF, EVEN THOUGH A COMMUNICATION WAS SENT TO ALL TOYOTA DEALER PRINCIPALS, SERVICE MANAGERS, PARTS MANAGERS. I SPENT $60.00 DOLLARS FOR TOW TRUCK / $148.14 ON TOYOTA ORIGINAL PARTS / $270.00 FOR LABOR. I SPOKE TO TWO COMPANY TOYOTA REPRESENTATIVE AND WAS INFORMED THAT THEY NO LONGER ARE RESPONSIBLE FOR COVERING THIS PROBLEM AS WARRANTY COVERAGE EXPIRED ON MARCH OF 2020.I WAS EXPECTING FOR TOYOTA TO COVER MY EXPENSES AS THIS IS A FACTORY ENGINEERING DESIGN DONE WRONG. ROBERTO MARTINEZ 374 WADSWORTH AVE APT 6C NEW YORK, NY 10040

NHTSA ID
11373151
Incident
Oct 18, 2020
Mileage
108,250 mi
Engine
Filed Sep 12, 2020

HTTPS://WWW.YOUTUBE.COM/WATCH?V=WLHCLDCXTN4&FEATURE=SHARE&FBCLID=IWAR3TIPWLFM7UXQPYITISICPV6SGC-6VESVN-Z04ZS4E2PWYCYN2TY9U4L34 MY MOTOR NOW HAS A SEVERE VALVE AND ROD KNOCK WATCH THE VIDEO. MILLIONS OF PEOPLE COULD BE STRANDED IN THE MIDDLE OF NOWHERE IF THEY DO NOT KNOW ABOUT THIS NEGLIGENT DESIGN FLAW. TOYOTA DESIGNED AN RUBBER OIL HOSE THAT GETS STIFF AND BREAKS. THIS IS DESIGN NEGLIGENCE TO USE RUBBER HOSES ON AN OIL SYSTEM. TOYOTA REDESIGNED THIS PART WITH STEEL INSTEAD OF RUBBER .THIS SHOWS ME THEY KNEW THE DESIGN WAS BAD IN THE FIRST PLACE. VAN'S ABS AND VSC LIGHTS COME ON BUT NO OIL LIGHT WARNING. MY MOTOR STARTED MAKING NOISE BUT I DIDN'T KNOW IT RAN OUT OF OIL. THERE WAS NO OIL WARNING LIGHT. I DIDN'T KNOW IT WAS THE MOTOR MAKING NOISE. MY CAR ENGINE WAS COMPLETELY OUT OF OIL. AGAIN, NO OIL LIGHT WARNING. SINCE I FOUND OUT ABOUT THIS, I FOUND OUT ABOUT FOUR MORE SIENNA'S THAT HAD THE SAME DEFECTIVE PARTS. FRANKLY ALL OF THESE HOSES WILL GO BAD AS THE MECHANIC REMARKED ABOUT THIS PROBLEM CAR ENGINEERS KNOW EXACTLY WHAT THEY ARE DOING WHEN THEY DESIGN A CAR. I WORKED IN MANUFACTURING AND ENGINEERING THOSE PARTS ARE WELL DOCUMENTED WHEN THEY ARE PREDICTED TO FAIL. ONE WOULD CONSIDER TWO SCENARIOS. 1.THEY HAD BAD ENGINEERS DESIGNING THIS SYSTEM, HOWEVER CAR MANUFACTURERS KNOW EXACTLY WHAT THEY ARE DOING WHEN THEY DESIGN A VEHICLE. 2.OR THEY DESIGNED IT TO BREAK TO SELL MORE REPLACEMENT ENGINES FOR FOUR THOUSAND DOLLARS EACH. THEY KEPT THIS A SECRET OR MADE NO MENTION OF THIS PROBABLY TO SELL ENGINE REPLACEMENTS. THE TOYOTA MANAGER CALLED ME AND BASICALLY TOLD ME TOUGH. THEREFORE I WILL BE SUING THEM IN SMALL CLAIMS COURT. HOPEFULLY TOYOTA WILL BE REPLACING MY MOTOR. BY THE WAY I TAKE VERY GOOD CARE OF MY VEHICLES I MAINTAIN THEM WITH REGULAR VEHICLE INSPECTIONS ALONG WITH OIL CHANGES AT THE PRESCRIBED MILEAGE.

NHTSA ID
11354531
Incident
Sep 8, 2020
Mileage
127,000 mi
Engine
Filed Feb 14, 2020

ALL THE OIL LEAKED OUT DUE TO A FAULTY OIL COOLER PIPE. THE PART IS FAULTY PLASTIC AND TOYOTA KNOWS THIS IS A DEFECTIVE PART. THEY DID AN "ENHANCED WARRANTY" INSTEAD OF A RECALL. THIS HAPPENED IN MY GARAGE WHEN THE VEHICLE WAS STATIONARY. MESSY AND DANGEROUS.

NHTSA ID
11309185
Incident
Feb 13, 2020
Mileage
160,000 mi
Body & structureElectricalEngine
Filed Sep 4, 2019
Fire reported

MY VAN CUT ON FIRE LAST SATURDAR, SEPTEMBER 1ST 2019. FOR NO APPARENTLY REASON. I DROVE ABOUT 5 MILES FROM MY HOUSE TO THE GROCERY STORE, WHEN I NOTICE THE SMOKE, I FIRST THOUGH WAS THE CAR IN FRONT OF ME. BUT WAS SMOKE COMING FROM MY HOOD. I WAS JUST ABOUT TO STOP AT A STOP SIGH AND I LOOK THE TEMPERATURE GATE AND IT WAS FINE, TURN OF THE CAR AND PEOPLE FROM THE PARKING LOT WAS ALREADY YELLING FOR ME TO GET OUT OF THE CAR. MORE THAN 2/3 OF THE VAN WAS TOTALLY DESTROYED IN THE FIRE.

NHTSA ID
11253099
Incident
Sep 1, 2019
Mileage
110,000 mi
Engine
Filed Aug 19, 2019

TL* THE CONTACT OWNS A 2011 TOYOTA SIENNA. WHILE DRIVING, THE ENGINE OIL COOLER PIPE BURST AND SPEWED OIL ALL OVER THE REAR OF THE VEHICLE. THE VEHICLE'S REAR WINDOW WAS COMPLETELY COVERED WITH OIL. THE MANUFACTURER EXTENDED THE WARRANTY; HOWEVER, THE CONTACT WAS NOT COVERED SINCE THE VEHICLE EXCEEDED THE WARRANTY. BUCKEYE TOYOTA (1903 RIVERWAY DR, LANCASTER, OH 43130, (740) 654-3943) STATED THAT THEY COULD NOT AUTHORIZE A REPAIR OUT OF WARRANTY UNLESS APPROVED BY THE MANUFACTURER. THE MANUFACTURER PROVIDED A CASE NUMBER AND STATED THAT THEY WOULD NOT COVER THE COST OF THE REPAIRS. THE CONTACT CALLED THE STATE ATTORNEY GENERAL'S OFFICE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE FAILURE MILEAGE WAS 156,000.

NHTSA ID
11244871
Incident
Aug 16, 2019
Mileage
156,000 mi
Engine
Filed Aug 16, 2019

OIL COOLER HOSE: FROM MY EXPERIENCE, AND FROM WHAT I'VE READ FROM OTHERS, THIS IS A CONSIDERABLE SAFETY ISSUE. A RECALL WOULD BE VERY APPROPRIATE FOR BOTH ROAD SAFETY AND FOR CONSUMER PROTECTION. A SUSPECTED BLOWN COOLER LINE JUST HAPPENED TO ME LAST NIGHT, AND I WAS VERY DISTRACTED WHEN I REALIZED MY 2011 TOYOTA SIENNA (ABOUT 125K MILES) WENT FROM PROVIDING NORMAL RESPONSIVENESS TO GIVING INCOMPREHENSIBLE FEEDBACK WITHIN SECONDS. A "LOW OIL" MESSAGE FLASHED ONCE ON THE CENTER CONSOLE AS I WAS PULLING OUT OF A GAS STATION INTO TRAFFIC. THIS LIGHT DID NOT RETURN. NO OTHER LIGHTS LIT UP AT ANY TIME. IMMEDIATELY, HOWEVER, I NOTICED HESITATION WHEN TRYING TO ACCELERATE. I THOUGHT THAT IT WAS AN ELECTRICAL PROBLEM AT THAT POINT, PERHAPS IT WAS AFFECTING THE FUEL INJECTORS. THEN I NOTICED A CLICKING NOISE COMING FROM THE ENGINE. AT THAT POINT, I PULLED OVER AT THE NEXT SAFEST OPPORTUNITY AND TURNED OFF THE VEHICLE. I POPPED THE HOOD AND NOTICED OIL EVERYWHERE TOWARD THE BOTTOM OF THE ENGINE COMPARTMENT/UNDERSIDE OF THE VEHICLE. THE DIP STICK WAS DRY. THIS ALL HAPPENED WITHIN 0.75 MILES ON A TWO LANE STATE HIGHWAY (ONE LANE IN EACH DIRECTION) WITH A 55 MPH SPEED LIMIT. I CERTAINLY WASN'T DRIVING DEFENSIVELY DURING THIS TIME, AND I HAD VERY MINIMAL AWARENESS OF ANY VEHICLES AROUND ME. THE ACCELERATION ISSUE COULD HAVE BEEN CATASTROPHIC IF I HAD TRIED TO BEAT TRAFFIC THAT WAS FAR ENOUGH AWAY TO PROCEED, YET CLOSE ENOUGH TO THINK TWICE. FORTUNATELY, I'M NOT AN AGGRESSIVE DRIVER, AND I WAITED. THE WHOLE EXPERIENCE HAS BAFFLED ME AS I'VE NEVER EXPERIENCED SUCH A COMPLETE AND SUDDEN FAILURE WHILE DRIVING A VEHICLE. PLEASE CONSIDER THIS REPORT AND REVIEW THE NUMEROUS ONLINE REPORTS FROM DRIVERS WHO ALSO EXPERIENCED A SUDDEN, MASSIVE OIL LEAK WHILE DRIVING THEIR 2007-2011 TOYOTA SIENNAS. TOYOTA IS WELL AWARE OF THIS RECURRING ISSUE. A SAFETY RECALL WOULD SEEM APPROPRIATE.

NHTSA ID
11244561
Incident
Aug 15, 2019
Mileage
125,000 mi
Engine
Filed Sep 18, 2018

THE MINIVAN SUDDENLY, WITH NO WARNING OR INDICATION RAPIDLY LOST ALL ENGINE OIL IN A SHORT PERIOD OF TIME. AS I WAS DRIVING ON A CITY STREET, I GOT A WARNING ABOUT FIVE MINUTES INTO A DRIVE ABOUT LOW ENGINE OIL PRESSURE, WHEN IT WAS BASICALLY DRY. I HAD IT TOWED TO A MECHANIC WHERE IT WAS QUICKLY CONFIRMED THAT THE OIL COOLER PIPE HAD FAILED CAUSING THIS TO HAPPEN. I HAVE 120,000 MILES ON THE VAN.

NHTSA ID
11130275
Incident
Sep 18, 2018
Mileage
120,000 mi
Engine
Filed Aug 20, 2018

DRIVING CITY STREET RUPTURED RUBBER COOLING LINE HOSE TO ENGINE... SMOKE POURING FROM VEHICLE NO OIL LEFT... NO WARNING LIGHT ON DASH. TOWED TO BUTLER TOYOTA LAST MONTH OIL CHANGE AT THIS SAME DEALER TODAY RUBBER LINE REPLACED WITH A METAL HOSE COSTING ME $496.00.. TOYOTA CORPORATION NEEDS TO REFUND THIS TO ME AND ALL OF THE OTHER SIENNA OWNERS WHO HAVE HAD THIS EXPERIENCE.

NHTSA ID
11121112
Incident
Aug 18, 2018
Mileage
200,000 mi
Driver assistanceEngineOther / unspecified
Filed Jun 11, 2018

TL* THE CONTACT OWNS A 2011 TOYOTA SIENNA. WHILE DRIVING 35 MPH, THE CHECK ENGINE AND TRACTION CONTROL WARNING INDICATORS ILLUMINATED. IN ADDITION, THE VEHICLE STALLED AND WAS UNABLE TO BE RESTARTED. THE VEHICLE WAS TOWED TO THE CONTACT'S RESIDENCE. THE VEHICLE WAS NOT TAKEN TO BE DIAGNOSED. NEITHER THE DEALER NOR THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 123,075.

NHTSA ID
11101076
Incident
Jun 10, 2018
Mileage
123,075 mi
Engine
Filed Apr 29, 2018

TOYOTA HAS A KNOWN FAILURE ISSUE WITH THE ENGINE OIL COOLER HOSE ON THIS MODEL. WITH THIS ISSUE, A DEFECT IN THE HOSE CAUSES OIL TO LEAK RAPIDLY FROM THE HOSE. A SEARCH OF THE INTERNET CAN FIND MANY INSTANCES OF THIS ISSUE, WITH CATASTROPHIC ENGINE FAILURE RESULTING IN CERTAIN CASES. TOYOTA HAS ISSUED WARRANTY ENHANCEMENT ZE2 TO COVER THIS. THE WARRANTY TERM FOR THIS ITEM IS EXTENDED TO TEN YEARS AND 150,000 MILES. I EXPERIENCED THIS FAILURE LAST WEEK. IT OCCURRED AS I WAS PULLING INTO A CAR WASH. SMOKE STARTED COMING FROM MY ENGINE AND THE CAR WASH WORKER NOTICED OIL LEAKING FROM UNDERNEATH. I HAD TO HAVE THE VEHICLE TOWED AND THE HOSE REPLACED. THE TOTAL COST WAS $665. I ATTEMPTED TO GET COVERAGE FROM TOYOTA, BUT MY REQUEST WAS DENIED DUE TO THE FACT THAT THE MILEAGE WAS AT 167,000. THE REASON FOR MY COMPLAINT IS THAT A MAJOR, KNOWN DEFECT SUCH AS THIS SHOULD NOT BE TIME OR MILEAGE LIMITED. GIVEN THE CATASTROPHIC FAILURE THAT CAN RESULT FROM THIS DEFECT, TOYOTA SHOULD HAVE BEEN REPLACING THE DEFECTIVE HOSES RATHER THAN FORCING CUSTOMERS TO ENDURE THE PROBLEMS OF FAILURE IN THE FIELD, WHICH OFTEN RESULTED IN BLOWN ENGINES AND THE NEED TO HAVE VEHICLES TOWED IN FOR REPAIRS. IF TOYOTA IS NOT GOING TO TAKE THE STEP OF PREVENTING THE PROBLEM, THEY SHOULD AT LEAST TAKE CARE OF THE PROBLEM WHEN IT OCCURS - REGARDLESS OF AGE OR MILEAGE - BECAUSE THE CAUSE IS CLEARLY THE RESULT OF A KNOWN DEFECT. I CONTACTED TOYOTA WARRANTY SERVICE FOR REIMBURSEMENT AND MY CLAIM WAS DENIED. I CALLED BACK AND ASKED TO ESCALATE IT. I WAS TRANSFERRED TO A HIGHER LEVEL AGENT WHO AGAIN DENIED MY CLAIM AND TOLD ME TO ADDRESS MY COMPLAINT OUTSIDE OF TOYOTA, WHICH IS WHY I AM FILING HERE. WITH THIS COMPLAINT, I AM SEEKING REIMBURSEMENT OF MY $665 COSTS. I FURTHER SUGGEST THAT TOYOTA BE URGED TO REVISE WARRANTY ENHANCEMENT ZE2 TO REMOVE THE MILEAGE AND TIME LIMITS.

NHTSA ID
11090898
Incident
Apr 25, 2018
Mileage
167,000 mi
Engine
Filed Feb 22, 2018

OIL STARTED LEAKING HEAVILY; I WAS NOTIFIED BY A COWORKER AND WAS ABLE TO GET THE CAR INTO FIRESTONE BEFORE THE ENGINE LOCKED UP. LOW OIL PRESSURE WARNING CAME ON AS I DROVE INTO FIRESTONE LOT. TECHS TOLD ME THE OIL COOLING HOSE FAILED (AT 109000 MILES). OLD HOSE WAS MADE OF RUBBER ATTACHED TO METAL PLATES AND HAD FAILED TWO PLACES IN THE RUBBER HOSE. NEW HOSE IS MADE OF METAL SO TECHS CHECKED FOR A RECALL AND FOUND NONE. THIS COULD BE A BIG SAFETY ISSUE IF PEOPLE ARE NOT AWARE OF WHAT IS HAPPENING AND GET STRANDED SOMEWHERE OR THE ENGINE LOCKS OUT ON THEM AT SPEED.

NHTSA ID
11074240
Incident
Feb 21, 2018
Mileage
109,000 mi
Driver assistanceEngine
Filed Oct 4, 2017
Crash reported3 injuries reported

I PUT MY VEHICLE IN PARK AND THEN TURNED ON THE HAZARD LIGHTS, AS I WAS PARKED AT THE ENTRANCE TO A BUSY HIGHWAY, AND JUST WANTED TO GRAB MY MAIL. I TURNED AROUND FROM GETTING THE MAIL; AND MY MINIVAN WAS ROLLING ACROSS THE HIGHWAY WITH THREE OF MY CHILDREN INSIDE OF IT. IT STOPPED WHEN IT HIT A CEMENT BARRIER ON THE OTHER SIDE OF THE HIGHWAY. NO AIR BAG DEPLOYED. MY CHILDREN SUFFERED FROM MINOR INJURIES. AND, A-LOT OF ANXIETY.WHAT HAPPENED TO MAKE MY MINIVAN SWITCH OUT OF PARK?

NHTSA ID
11031693
Incident
Oct 3, 2017
Mileage
114,000 mi
BrakesEnginePowertrain (other)
Filed Dec 7, 2014

HELLO, I OWN A 2011 SIENNA LE V6. IN COLD WEATHER, IT HAS A PROBLEM WHEN BRAKING WHERE THE VEHICLE LURCHES FORWARD AS IT COMES TO A STOP. THE DEALER DROVE THE CAR AND NOTED NO ISSUES. HOWEVER, AS YOU CAN SEE ON THIS INTERNET THREAD, MANY OTHER OWNERS HAVE THE SAME ISSUE. HTTP://WWW.SIENNACHAT.COM/FORUM/193-PROBLEMS-MAINTENANCE-REPAIR/158410-ENGINE-REVVING-UP-JUST-BEFORE-STOP.HTML THIS ISSUE IS NOT JUST ANNOYING, I BELIEVE IT IS A SAFETY ISSUE, PARTICULARLY ON SLIPPERY SURFACES SUCH AS SNOW AND ICE WHICH ARE LIKELY TO OCCUR IN THE COLDER WEATHER THAT PRECIPITATES THIS ISSUE. I BELIEVE EITHER THE ENGINE OR TRANSMISSION PROGRAMMING NEEDS TO BE MODIFIED TO ADDRESS THIS ISSUE AS SOON AS POSSIBLE. THIS OCCURS WHEN THE ENGINE IS AT HIGH SPEED IDLE AFTER A COLD STOP, WHICH CAN LAST FOR MANY MILES AFTER YOU START DRIVING. *TR

NHTSA ID
10662639
Incident
Dec 1, 2013
Mileage
40,000 mi
Engine
Filed Nov 10, 2014

CAR STARTED ROLLING BACK AND GEAR SHIFTED TO REVERSE WHEN IT WAS ON DRIVE GEAR. IT SHIFTED TO GEARS AUTOMATICALLY WITHOUT CHANGING GEARS. WHEN WENT TO DEALER, THEY SAID ITS TRANSMISSION IS FAILED AT 55 K MILES. IT WAS IN WARRANTY AND THEY CHANGED TRANSMISSION BUT WHEN ASKED THEY DIDN'T GIVE ME MUCH DETAILED INFORMATION. MY 1 WORK DAY WAS SPOILED AND INCONVENIENCE. *TR

NHTSA ID
10654001
Incident
Nov 9, 2014
Mileage
55,000 mi
Engine
Filed Aug 6, 2014
Fire reported

TL* THE CONTACT OWNS A 2011 TOYOTA SIENNA. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 20 MPH, ALL THE WARNING LIGHTS ILLUMINATED. AFTER DRIVING FOR 15 MINUTES, THE VEHICLE STALLED AND SMOKE WAS COMING OUT OF THE HOOD. THE ENGINE WAS ON FIRE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE INCIDENT. THE APPROXIMATE FAILURE MILEAGE WAS 33,000.

NHTSA ID
10619430
Incident
Jul 11, 2014
Mileage
33,000 mi
Body & structureEngine
Filed Apr 19, 2014

THE AIR CONDITIONER HOUSING IS LEAKING WATER ONTO SAFETY-CRITICAL PARTS. THIS HOUSING IS MADE OF PLASTIC PARTS THAT ARE GLUED TOGETHER. WATER IS CONDENSED DURING THE COOLING CYCLE, AND IT THEN COLLECTS AT THE BOTTOM AND EXITS THE VEHICLE THROUGH A RUBBER HOSE. THE GLUE HOLDING THE HOUSING TOGETHER HAS FAILED. WATER IS LEAKING FROM THE HOUSING AND RUNNING ONTO THE COMPUTER MODULE THAT DEPLOYS THE AIRBAGS. I HAVE BEEN ADVISED BY THE DEALER THAT IT IS NOT SAFE TO DRIVE THE VEHICLE WITH A WET MODULE BECAUSE THE AIRBAGS CAN DEPLOY WHILE MOVING, OR THAT THEY MIGHT NOT DEPLOY IN THE EVENT OF A COLLISION. AN IDENTICAL PROBLEM AFFECTS TOYOTA MODELS CAMRY, AVALON, AND VENZA. THIS RECALL CAN BE FOUND AT: WWW.TOYOTANEWS.PRESSROOM.TOYOTA.COM THE RECALL INFO IS: RELEASES/TOYOTA/RECALL+CAMRY+AVALON+VENZAOCT17 THIS WILL TURN INTO A SERIOUS SAFETY ISSUE AS THESE VEHICLES GET OLDER WATER CAN LEAK ONTO THE DEPLOYMENT MODULE WITHOUT BEING SEEN. IN MY PARTICULAR CASE, THE WATER HAD APPARENTLY BEEN LEAKING FOR SOME TIME - PERHAPS A YEAR OR TWO - AND WAS DETECTED PURELY BY CHANCE. THERE WAS SIGNIFICANT RUST ON THE FLOORBOARD OF THE VEHICLE. I HAVE DISCUSSED THE ISSUE WITH TOYOTA, AND THEY REFUSE TO DO ANYTHING ABOUT IT. THE CIRCUMSTANCES OF THE RECALL ON CAMRY, AVALON, AND VENZA APPEAR TO BE IDENTICAL TO THE CIRCUMSTANCES I HAVE EXPERIENCED, YET THERE IS NO RECALL ON THE SIENNA. THIS APPEARS TO BE AN UNSAFE CONDITION. I WOULD APPRECIATE IT IF YOU WILL TAKE A LOOK. *TR

NHTSA ID
10583658
Incident
Apr 14, 2014
Mileage
56,000 mi
ElectricalEngine
Filed Mar 11, 2014

TL* THE CONTACT OWNS 2011 TOYOTA SIENNA. THE CONTACT STATED THAT WHILE DRIVING 70 MPH, THE ENGINE STALLED WITHOUT WARNING. THE VEHICLE WAS TOWED TO THE DEALER, WHO PERFORMED A DIAGNOSTIC AND DETERMINED THAT THE BATTERY FAILED AND CAUSED THE VEHICLE TO STALL. THE BATTERY WAS REPLACED HOWEVER THE DEALER COULD NOT EXPLAIN THE CAUSE OF THE BATTERY FAILURE. ADDITIONALLY, THE CONTACT STATED THAT THE ENGINE WAS PREVIOUSLY REPLACED DUE TO FAILED SPRINGS WHICH CAUSED THE VALVES TO ALSO FAIL. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 31,312 AND THE CURRENT MILEAGE WAS, 31,800. *TR

NHTSA ID
10568567
Incident
Feb 28, 2014
Mileage
31,312 mi
ElectricalEngine
Filed Feb 21, 2013

TRAVELING AT HIGHWAY SPEED, (55 MPH) WHEN THE VSC FAILURE MESSAGE APPEARED ALONG WITH THE CHECK ENGINE LIGHT AND APOSTROPHE INSIDE A TRIANGLE ERROR/ WARNING LIGHT. VEHICLE WAS PURCHASED AS A CERTIFIED USED VEHICLE AT A TOYOTA DEALERSHIP LESS THAN TWO WEEKS AGO. MILEAGE IS LESS THAN 36000. *TR

NHTSA ID
10499620
Incident
Feb 21, 2013
Mileage
35,900 mi
Engine
Filed Sep 22, 2012

9/1/12 I WAS DRIVING ALONG AT HIGHWAY SPEED OF APROX. 55-60 MPH WHEN I DECIDED TO GO INTO A SHOPPING CENTER. I SLOWED MY CAR DOWN AND MADE A RIGHT TURN TO ENTER A SHOPPING CENTER. AS I WAS SLOWING DOWN TO PULL UP TO THE ENTRANCE OF THE STORE I HAD MY FOOT ON THE BRAKE PEDAL AND THE CAR DIDN'T WANT TO STOP. I HAD TO APPLY AN ENORMOUS AMOUNT OF PRESSURE TO THE BRAKE BUT IT DIDN'T STOP THE ENGINE FROM RACING AND TRYING TO LURCH FORWARD. I FORCED THE CAR OUT OF DRIVE AND PUT IT INTO REVERSE AND THE ENGINE WENT BACK TO NORMAL. 9/6/12 I WAS IN MY CAR AND APPROACHED A TRAFFIC LIGHT BEHIND ANOTHER CAR. I SLOWED DOWN FROM APROX. 25 MPH. AS THE CAR SLOWED I FELT THE CAR LURCH FORWARD, I APPLIED THE BRAKE HARDER SO AS NOT TO HIT THE CAR IN FRONT OF ME OR THE PEOPLE WALKING ACROSS THE STREET. I AGAIN MOVED THE CAR OUT OF GEAR AND THE ENGINE CAME TO NORMAL. 9/9/12 I WAS IN A SHOPPING CENTER WAITING FOR MY WIFE TO COME OUT AND I HAD TO MOVE MY CAR TO LET SOMEONE ELSE GET OUT A PARKING SPACE WHEN MY CAR STARTED TO ACCELERATE. I HAD MY FOOT ON THE BRAKE AT THE TIME THIS OCCURRED AND AS MUCH PRESSURE I PUT ON THE BRAKE WAS NOT ENOUGH TO STOP THE CAR. THE CAR STILL HAD ENOUGH POWER TO GO FORWARD EVEN THOUGH I HAD MY FOOT ON THE BRAKE. I FEAR FOR MY LIFE AND ANY PEOPLE THAT ARE IN MY CAR, LET ALONE OUTSIDE OF MY CAR. TOYOTA CANNOT DUPLICATE THE PROBLEM, I'VE TAKEN IT TO THEM TWICE. THEY (TOYOTA) WILL NOT DO ANYTHING FOR ME. PLEASE HELP. *TR

NHTSA ID
10476726
Incident
Sep 1, 2012
Mileage
22,815 mi
Engine
Filed Jun 25, 2012

TL* THE CONTACT OWNS A 2011 TOYOTA SIENNA. THE CONTACT STATED THAT WHILE ATTEMPTING TO DRIVE INTO A RESIDENTIAL DRIVE WAY, HE APPLIED THE BRAKES AND THERE WAS AN INCREASE IN THE ENGINE RPMS. THE CONTACT MENTIONED THAT HE HAD TO SHIFT INTO PARK IN ORDER TO STOP THE FAILURE. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VIN WAS NOT AVAILABLE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGES WERE 13,000.

NHTSA ID
10463012
Incident
Jun 24, 2012
Mileage
13,000 mi
Engine
Filed Jun 4, 2012
Fire reported

THE VEHICLE CAUGHT ON FIRE AFTER DRIVEN FOR APPROXIMATELY 5 MILES AND PARKED FOR SEVERAL MINUTES. IT ONLY HAD ABOUT 6,100 MILES AND PURCHASED NEW 9 MONTHS AGO. THE FIRE CAUSED TOTAL LOSS TO THE VEHICLE AND EVERYTHING INSIDE INCLUDING THE CHILD SEATS AND STROLLER WAS PERMANENTLY DAMAGED BY HEAT AND SMOKE. ACCORDING TO THE INCIDENT REPORT FROM FIRE DEPARTMENT, IT APPEARS THAT THE FIRE IGNITED AT THE UPPER LEFT CORNER (PASSENGER SIDE) OF THE ENGINE BAY. NO EVIDENCE OR INDICATION OF INCENDIARY FIRE WAS FOUND. *TR

NHTSA ID
10460526
Incident
May 12, 2012
Mileage
6,100 mi

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.

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Data on this page last refreshed .