FaultScore

2008 Toyota Sienna electrical problems

45 of the 570 complaints about the 2008 Toyota Sienna are about the electrical system — 8% of everything reported for this model year. Half of the failures with a mileage on record happened before 71,010 miles.

B

45

Complaints

0

Crashes

1

Fires

1

Injuries

Exactly what failed

Electrical System 42 93.3%
12V/24V/48V Battery 2 4.4%
Instrument Cluster/Panel 1 2.2%

Electrical System across every Toyota Sienna year

1998 14 2.1%
1999 11 1.6%
2000 17 2.5%
2001 21 3.1%
2002 25 3.7%
2004 132 19.4%
2005 65 9.6%
2006 85 12.5%
2007 19 2.8%
2008 45 6.6%
2009 28 4.1%
2010 20 2.9%
2011 67 9.9%
2012 27 4.0%
2013 22 3.2%
2014 16 2.4%
2015 45 6.6%
2017 20 2.9%

What owners said

Filed with NHTSA, in their own words.

Gardena, CA

ELECTRICAL SYSTEM

Issues with VSC. The sensor alarm goes off when driving at more than 50 mph and slightly turning the steering wheel. The car brakes itself and this is DANGEROUS. It happens all the time, it has been more than 5-6 years and we are to the point of not using the car on the freeway to prevent a potential fatal accident. I found posts describing the same issue with this model of Toyota. Car should be recalled to get this fixed.

NHTSA complaint #11532504 — an unverified report by a vehicle owner.

Pauma Valley, CA

ELECTRICAL SYSTEM

Driving on dry pavement in mountainous terrain the slip indicator light/sound activates temporarily and the brakes can engage by themselves! Usually happens during right turns. I've been to several automotive specialists for mechanical & electronic diagnosis. I've replaced the lower control arm & the clock spring behind the steering wheel but the issue persists. Online searches indicate this is a common problem with Toyota siennas that is extremely difficult to diagnose & very costly to replace all the possible problematic components! I've had this problem since buying the car used several months ago.This should be a recall issue!!!!!!!!!!!

NHTSA complaint #11491948 — an unverified report by a vehicle owner.

Gap, PA

ELECTRICAL SYSTEM

Anti skid/slip malfunctions, Brakes are automatic applied while turning a corner. When this happen one dry road surfaces it was harder to control the car. This happen multiple times in the pass. Yes my safety and others on the road was put at risk. Yes been confirmed by independent service centers. 4.) UNKNOWN 5).No. The warning indicator light and buzzer comes on at the time the incident happens.

NHTSA complaint #11440625 — an unverified report by a vehicle owner.

at 108,000 miles SAN Antonio, TX

ELECTRICAL SYSTEM

BRAKES HAVE BEEN REPLACED, AND CHECKED SEVERAL TIMES MAKE A LOUD GRINDING NOISE IN WET WEATHER WHEN BACKING UP AND SOMETIMES WHEN APPLYING PRESSURE WHILE DRIVING ALSO A 🔊 NOISE AND BRAKES SEEM TO SLIP HAVE HAD TO PULL OVER BECAUSE IT SCARES ME CAN NOT FIND ANYTHING WRONG BUT CONTINUES TO PERSIST. BOTH IN HIGHWAY DRIVING AND REGULAR STREET DRIVING

NHTSA complaint #11416627 — an unverified report by a vehicle owner.

at 104,000 miles SAN Antonio, TX

ELECTRICAL SYSTEM

WHEN USING HEATED SEAT FEATURE DRIVERS SIDE REMAINS HEATED EVEN LONG AFTER BEING OFF. HAVE CHECKED FUSES AND STILL SAME ONLY USE SEASONAL. SOMETIMES FEELS LIKE HEAT IS ON WHEN NOT IN USE

NHTSA complaint #11416628 — an unverified report by a vehicle owner.

Fairfield, CA

ELECTRICAL SYSTEM

CHECK ENGINE LIGHT, VSC LIGHT AND TRAC OFF LIGHT ON AND OFF LIGHT INTERMITTENT. AT ANY TIME THE LIGHT GOES ON AND OFF. IT IS NERVE BREAKING KNOWING THAT THE WARNING LIGHT AND THE PROBLEM CAN NOT BE FIXED BY TOYOTA. I HAVE MY TOYOTA SIENNA 2008 AND IT HAVE A VERY LOW MILES DUE TO LIGHTS SAFETY REASONS THAT CAN NOT BE SOLVED BY TOYOTA. EVERY TIME WE COMPLAIN, WE WERE ALWAYS TOLD THAT BRING THE CAR IN WHEN THE LIGHT GOES ON. THE PROBLEM IS WHEN THE LIGHT GOES ON IT WILL BE OFF WHEN WE GET TO THE DEALERSHIP. WE NOTICED WHEN THE CAR REACHED APPROXIMATELY 98,000 MILES. THE CAUSE OF THE ON AND OFF LIGHTS ARE UNKNOWN.

NHTSA complaint #11350809 — an unverified report by a vehicle owner.

at 15 miles Homewood, IL

ELECTRICAL SYSTEM

MY DASH PANEL WARNING LIGHTS 4 OR 5 LITE UP, TOOK IT TO A TOYOTA DEALER, HE PUT IT ON A COMPUTER AND STATED THAT ,YOUR CATALITIC CONVERTER, MUFFLER AND OTHER PARTS NEED TO BE REPLACED. TOOK IT TO ANOTHER MECH. HE PUT A PINT OF LUKUS GAS TREATMENT,TOLD ME TO FILL THE TANK WITH HIGHER OCTAINE GAS AND RUN IT IN 4TH GEAR .

NHTSA complaint #11189820 — an unverified report by a vehicle owner.

at 117,000 miles SUN Prairie, WI

ELECTRICAL SYSTEM

MY PASSENGER SIDE POWER SLIDING DOOR CABLE SNAPPED ON IT, WHEN I WENT TO OPEN IT MONTHS BACK, THE CABLE IS HANGING DOWN ON IT AND I HAVENT BEEN ABLE TO USE MY POWER SLIDING DOOR IN MONTHS! IT SNAPPED ON ME WHEN IT WAS PARKED AND I HAD A LOAD OF GROCERIES I HIT THE POWER DOOR BUTTON AND I SAW SOMETHING FALL FROM THE WINDOW AND IT WOULDNT OPEN OR SHUT. I ACTUALLY HAVE TO HAVE THE INDOOR LIGHT SWITCH OFF BECAUSE THE DOOR WHEN I GO AROUND CORNERS LIGHT WILL COME ON THAT IT ISNT PROPERLY SHUT! ITS A SAFETY HAZARD THAT I CANT AFFORD TO FIX! IT HAPPENED AT 117,000 MILES BACK IN MAY 2018. I WAS TOLD IT WAS GOING TO BE $2,000! I WAS NEVER NOTIFIED OF A EXTENDED WARRANTY ON THESE SLIDING DOORS! NOW IM JUST PAST THE MILEAGE OF 120K AND 9 YEARS? I BOUGHT A TOYOTA MINIVAN IN 2008 FOR SAFETY FOR MY FAMILY. I LOVED THE POWER SLIDING DOOR WHEN I PICKED MY KIDS UP. THIS IS WRONG, MANY OTHER PEOPLE HAVE HAD THIS SAME PROBLEM, AND I NEVER GET A WARRANTY SLIP ON IT, AND IF I WOULDVE KNOWN WHEN IT BROKE, IT WOULDVE BEEN COVERED. BUT NOW ITS TOO LATE?! THATS NOT RIGHT!! THESE CABLES HAVE OBVIOUS DEFECTS, AND SHOULD ALL BE REPLACED WHEN THIS HAPPENS!!!

NHTSA complaint #11154632 — an unverified report by a vehicle owner.

at 107,850 miles Diamond BAR, CA

ELECTRICAL SYSTEM

DEAR MADAME/SIR, I OWN A TOYOTA SIENNA (2008). THE DRIVER SIDE SLIDING DOOR CABLE JUST GOT CUT-OFF LAST WEEK WHILE MY KID WAS TRYING TO OPEN THE DOOR AND GET IN AND THE PASSENGER SIDE DOOR MOVES VERY SLOWLY. I WENT TO THE TOYOTA DEALER(S) AND THEY SAID THEY HAD A FIX AT NO COST ONLY FOR VEHICLES WHICH ARE 9 YEARS/120,000 MILES AND IF THE CUSTOMER CAME WITH A PROBLEM (NOT A RECALL) AND I DO NOT QUALIFY AS IT HAS BEEN 10 YEARS (HOW DID TOYOTA COME-UP WITH THIS NUMBER?). I WENT ONLINE AND FOUND THAT MANY PEOPLE HAVE REPORTED A SIMILAR ISSUE AND LOOKS LIKE TOYOTA DID NOT TAKE CARE OF THEM EITHER. FROM THE DEALER I UNDERSTAND TOYOTA WAS AWARE OF THE PROBLEM AND DID NOT TAKE CARE OF THE ISSUE OR DID NOT DO ENOUGH TO RESOLVE THIS PROBLEM. I SINCERELY REQUEST YOU TO PROVIDE NECESSARY DIRECTIONS/ACTION TAKEN AGAINST MANUFACTURER SO THAT 1000S OF CUSTOMERS LIKE ME WILL GET THEIR CAR FIXED. THANK YOU FOR YOUR VALUABLE TIME

NHTSA complaint #11076400 — an unverified report by a vehicle owner.

at 15,000 miles East Northport, NY

ELECTRICAL SYSTEM

A CABLE ON THE PASSENGER SIDE DOOR OF MY TOYOTA 2008 SIENNA BROKE AND STARTED MAKING A STRANGE NOISE. I AM UNABLE TO OPEN THE DOOR FULLY AND MY CHILDREN ARE UNABLE TO GET OUT ON THIS SIDE OF THE CAR - A SAFETY HAZARD.

NHTSA complaint #11025187 — an unverified report by a vehicle owner.

at 16,485 miles Weeki Wachee, FL

ELECTRICAL SYSTEM

I HAD TROUBLE ACCELERATING UP A HILL AND STALLING AND TURNING OFF ON THE ROAD. I TOOK MY VEHICLE TO MY TOYOTA DEALERSHIP FOR INSPECTION AND WAS TOLD THAT RODENTS OR SUCH TYPE HAD CHEWED ON THE ELECTRICAL WIRING HARNESS BECAUSE OF THE INSULATION MATERIALS ATTRACTIVENESS. AFTER BEEN FIRST OFFENDED, I THEN REMEMBERED SEEING A SQUIRREL NEAR THE VEHICLE I PRESUMED INNOCENTLY TAKING SHADE FROM THE HOT FLORIDA SUN. DURING THAT TIME I PARKED MY VEHICLE IN MY DRIVEWAY OUTSIDE. I ADVISED THE DEALERSHIP OF THIS AND THEY CONFIRMED THAT INDEED SUCH ANIMAL WOULD LIKING HAVE CHEWED ON THE HARNESS WIRING CAUSING THE ISSUE AT HAND. I PAID OUT OF POCKET FOR THIS REPAIR SINCE I WAS TOLD IT WAS NOT UNDER WARRANTY. IT HAS COME TO MY ATTENTION THAT THE TOYOTA DEALERSHIP WAS AWARE OF THIS TYPE OF ANIMAL AND THE ATTRACTION TO THE SOY BASED INSULATION AROUND THE ELECTRICAL WIRING HARNESS. THERE NOW ARE TWO CLASS ACTION CASES REGARDING THIS MATTER WITH TOYOTA.

NHTSA complaint #10948012 — an unverified report by a vehicle owner.

at 154,000 miles Hubertus, WI

ELECTRICAL SYSTEM

POWERED PASSENGER DOORS ON BOTH SIDES OF THE VAN MALFUNCTIONED AND THEN CABLE SYSTEM BROKE AND LOCKED THE DOORS IN THE CLOSED POSITION. THIS HAPPENED ONE AFTER THE OTHER IN ABOUT A THREE-WEEK PERIOD. THE CABLE IS CLEARLY RUSTED AND SHREDDED ON THE ONE SIDE. I CANNOT TELL WHY THE CABLE PULLED OUT AND STOPPED WORKING ON THE OTHER SIDE. AS I TRANSPORT 3 OR MORE CHILDREN AT A TIME, IT IS A HUGE SAFETY ISSUE THAT THE ONLY WAY OUT OF THE CAR IN CASE OF EMERGENCY IS THROUGH ONE OF THE FRONT DOORS OR THE BACK TRUNK HATCH. I HAVE OWNED THIS VEHICLE SINCE IT WAS NEW AND I AM TOLD THIS IS OUT OF WARRANTY/ISN'T COVERED AND WILL COST AT LEAST $6,000 TO FIX. I CANNOT DRIVE THE VEHICLE LIKE THIS AND I CAN'T AFFORD TO FIX IT. I AM APPARENTLY NOT THE ONLY ONE WHO'S HAD THIS PROBLEM WITH THE VAN, YET TOYOTA IS DOING NOTHING ABOUT IT FOR THEIR CUSTOMERS.

NHTSA complaint #10937444 — an unverified report by a vehicle owner.

at 67,700 miles Oakland, CA

ELECTRICAL SYSTEM

MY TOYOTA SEINNA 2008 , HAS BEEN LOCKING AND UNLOCKING WHILE DRIVING....FOR THE PAST FEW MONTHS IN 2016 MY SLIDING DOORS AND FRONT PASSENGER DOOR LOCK UP AND WILL NOT UNLOCK WITH MY REMOTE OR ANY OTHER WAY...I CAN UNLOCK THE FRONT PASSENGER DOOR WITH A KEY,BUT THERE IS NO WAY TO UNLOCK THE SLIDING DOORS...RECENTLY I HAD TWO FRIENDS RIDING WITH ME...WE GOT TO OUR DESTINATION AND I GOT OUT TRIED TO UNLOCK SLIDING DOORS WITH MY REMOTE,THEY DID NOT UNLOCK...MY FRIEND SITTING IN THE SECOND ROW SEATING COULD NOT GET OUT .SHE IS HANDICAPPED....I HAD TO CRAWL THROUGH THE REAR DOOR AND HELP HER UP OUT OF HER SEAT AND THEN CAREFULLY CRAWL ON THE FLOOR OF THE VAN TO THE REAR DOOR AND CLIMB OUT.THIS IS TRULY A SAFETY HAZARD AND CANNOT BE DISMISSED....SOMETIMES THE DOORS WILL UNLOCK AND SOMETIMES THEY WON'T .....SO WHEN I TAKE IT TO THE TOYOTA DEALER IT ALWAYS SEEMS TO WORK FOR THEM......MY VAN RUNS WELL AND I HAVE NO OTHER PROBLEMS WITH IT.I FEEL IF THE TOYOTA MANUFACTURER CAN DESIGN COMPUTERIZED DOORS THEN THEY HAVE TO HAVE A WAY TO FIND AND FIX THE PROBLEM.MY FIRST THOUGHT IS,WHY DID THEY NOT DESIGN KEY ACCESS TO THESE SLIDING DOORS ? SOMETHING HAS TO BE DONE TO CORRECT THIS PROBLEM.

NHTSA complaint #10916276 — an unverified report by a vehicle owner.

at 63,000 miles Boyertown, PA

ELECTRICAL SYSTEM

DRIVER'S SIDE PASSENGER POWER SLIDING DOOR. CABLE BROKE. UNKNOWN CAUSE. APPEARS THE CABLE SNAPPED OFF WITH A CLEAN BREAK. THE POWER SLIDING DOOR IS NOT USEABLE AND NOT SAFE. BOUGHT THE VAN USED THIS APRIL 2016 WITH 54000 MILES PUT 7000 MORE MILES ON IT AND I HAVE NO WARRANTY AND LOOKING AT REPAIRS BETWEEN $1500 - $3000. VEHICLE WAS STATIONARY AND PARKED IN DRIVEWAY WHEN CABLE BROKE. HEARD GRINDING SOUND AND INTERNAL PARTS FALLING TO THE BOTTOM INSIDE THE VAN AND THE IS DOOR BOUND SHUT WON'T OPEN AND NOT WORKING.

NHTSA complaint #10898128 — an unverified report by a vehicle owner.

at 76,000 miles Latrobe, PA

ELECTRICAL SYSTEM

PASSENGER REAR POWER SLIDING DOOR. CABLE BROKE. KNOWN PROBLEM. NOT SAFE AND NOT CONVENIENT. $1300 JUST FOR PART AND $2000 REPAIR. PROBABLY DRIVER SIDE WILL BE NEXT. 76000 MILES AND GARAGE KEPT. WHY NO HELP FROM TOYOTA? VEHICLE WAS STATIONARY WHEN CABLE BROKE. HEARD GRINDING SOUND, THEN DOOR BOUND, NOW NOT WORKING

NHTSA complaint #10884436 — an unverified report by a vehicle owner.

at 139,000 miles Bowie, MD

ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 2008 TOYOTA SIENNA. THE CONTACT STATED THAT WHEN THE AIR CONDITIONER WAS ACTIVATED, HOT AIR CIRCULATED THROUGHOUT THE AIR VENTS. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE FREON WAS ADDED, BUT THE FAILURE RECURRED. THE VEHICLE WAS TAKEN BACK WHERE IT WAS DIAGNOSED THAT THE AIR CONDITIONER O RINGS NEEDED TO BE REPLACED DUE TO A LEAK. THE VEHICLE WAS REPAIRED, BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 139,000.

NHTSA complaint #10873496 — an unverified report by a vehicle owner.

at 96,755 miles Denver, CO

ELECTRICAL SYSTEM

SLIDING DOOR ON OUR 2008 SIENNA STOPPED OPENING OR CLOSING. WE CAN NOT GET IN OUR GET OUT OFF THE CAR ON DRIVER SIDE. WE ARE GLAD IT HAPPENED ON PARKED POSITION. IT IS NOT WORKING ELECTRICAL OR MANUAL MODE. TOYOTA IS ASKING ABOUT $1600-3000 FOR REPAIR. WE ARE TRYING TO USE THE VAN WITH ONE SLIDING DOOR AND IT IS NOR PRACTICAL OR SAFE.

NHTSA complaint #10846223 — an unverified report by a vehicle owner.

at 90,000 miles Crest Hill, IL

ELECTRICAL SYSTEM

PURCHASED 2008 TOYOTA SIENNA NEW IN AUGUST 2008. IN NOVEMBER 2015 (90,000 MILES) WITH VEHICLE PARKED, WHEN OPENING THE PASSENGER SIDE POWER SLIDING DOOR, THE CABLE SNAPPED, BINDING THE POWERED DOOR'S ELECTRIC MOTOR, AND CAUSING THE DOOR TO BE "LOCKED IN PLACE" ABOUT 6 INCHES OPEN. WENT TO DRIVER SIDE POWER SLIDING DOOR, OPENED, CHILDREN ENTERED PASSENGER COMPARTMENT, AND UPON CLOSING DOOR THIS CABLE SNAPPED, BUT DIDN'T BIND ELECTRIC MOTOR UNTIL THE DOOR HAD FULLY CLOSED, CAUSING THE DOOR TO BE "LOCKED IN PLACE" IN THE CLOSED POSITION. TRAVELED HOME AND CHILDREN EXITED VEHICLE THROUGH FRONT DRIVER AND PASSENGER DOORS. THE CABLES WERE CUT BETWEEN THE ELECTRIC DOOR MOTOR AND THE "C POST" TO GET THE DOORS "UNLOCKED" AND ALLOW FOR MANUAL OPERATION. EXAMINATION OF SNAPPED CABLES REVEALED REMOVAL OF CABLE INSULATION (LIKELY DUE TO FRICTION/ABRASION), WHICH EXPOSED THE STRANDED METAL CABLE TO THE ENVIRONMENT, CAUSING SEVERE CORROSION AND EVENTUAL FAILURE OF THE METAL CABLE. ONLINE RESEARCH REVEALED MANY OTHER 2008 AND NEWER TOYOTA SIENNA OWNERS HAVE HAD SIMILAR PROBLEMS, TO THE POINT WHERE A FACEBOOK PAGE HAS BEEN CREATED REGARDING THE ISSUE HTTPS://WWW.FACEBOOK.COM/TOYOTA-SIENNA-FAULTY-POWER-SLIDING-DOORS-233250320033754/. FURTHER RESEARCH REVEALED THAT TOYOTA HAS A WARRANTY ENHANCEMENT FOR THIS PROBLEM (NO: POL12-02), BUT IT ONLY APPLIES TO 2004-2007 MODEL YEARS. WHATEVER CORRECTIVE ACTION WAS TAKEN BY TOYOTA BEGINNING IN 2008 OBVIOUSLY HAS NOT REMEDIED THE PROBLEM. THE POWER SLIDING DOOR ASSEMBLY REQUIRED TO REPAIR THESE DOORS COSTS $500 PER DOOR (PART NUMBERS 69631-08030 AND 69641-08030). TO HAVE A DEALER MAKE THIS REPAIR COSTS $1,000 PER DOOR ($500 FOR THE PART AND $500 FOR LABOR).

NHTSA complaint #10823494 — an unverified report by a vehicle owner.

Morganton, NC Fire

ELECTRICAL SYSTEM

WHILE PASSENGER SIDE VISOR IS DOWN SMOKE STARTS POURING OUT FROM UNDER THE HEAD LINER. WHEN THE VISOR IS PLACED BACK IN THE CLOSED POSITION SMOKE CLEARS OUT AND STOPS. PER THE MECHANIC, A SHORT IN THE ELECTRICAL SYSTEM HAS RESULTED IN A MELTED ELECTRICAL BOARD AND THE ENTIRE HEAD LINER AND ELECTRICAL BOARD NEEDS TO BE REPLACED. THE VISOR CAN NOT BE USED OR THE SHORT MAY START A FIRE INSIDE THE VEHICLE. THE VEHICLE WAS IN MOTION WHEN THIS OCCURRED. VAN FILLED WITH SMOKE QUICKLY. HAD TO PULL OVER AND OPEN DOORS TO CLEAR THE SMOKE.

NHTSA complaint #10822624 — an unverified report by a vehicle owner.

at 64,000 miles Overland Park, KS

ELECTRICAL SYSTEM

MY PASSENGER SIDE POWER SLIDING DOOR MECHANISM IS BROKEN ON OUR 2008 SIENNA WITH 68,000 MILES. THE MECHANISM USES AND ELECTRIC MOTOR AND CABLE ASSEMBLY TO OPEN AND CLOSE THE DOOR. THE CABLE HAS BROKEN SO POWER FUNCTIONS ARE GONE AND MANUAL FUNCTION IS HINDERED FROM BROKEN CABLE INTERFERING. TOYOTA HAS EXTENDED THE WARRANTY FOR 2004-07 SIENNA'S WITH THE SAME PROBLEM WITH THE SAME PART AND PART NUMBER? A INTERNET SEARCH REVEALS THIS IS A COMMON PROBLEM AND CAN AFFECT THE PROPER LATCHING OF THE SLIDING DOOR.

NHTSA complaint #10819150 — an unverified report by a vehicle owner.

at 100,000 miles Concord, NH

ELECTRICAL SYSTEM

THE POWER SLIDING DOOR FAILS. IT HAS TO BE OPENED AND CLOSED MANUALLY. THIS IS A COMMON PROBLEM FOR THIS MODEL.

NHTSA complaint #10811829 — an unverified report by a vehicle owner.

at 82,950 miles Lilburn, GA

ELECTRICAL SYSTEM

RUBBER ON REAR HATCH HANDLE HAS BECOME SOFT AND PLIABLE. THIS STARTED IN 2013 AND WHILE BEING AN INCONVENIENCE BECAUSE THE RUBBER BLACKENED YOUR FINGERS CAUSED NO DANGER. YESTERDAY MORNING IT WAS 31 DEGREES IN ATLANTA AND WHEN I TRIED TO OPEN THE REAR HATCH THE RUBBER WAS HARD AND WOULD NOT OPEN THE HATCH. THIS COULD BE A SERIOUS PROBLEM IF IN COLD WEATHER THE VEHICLE WAS IN AN ACCIDENT AND THE ONLY ACCESS TO THE PASSENGER COMPARTMENT WAS THROUGH THE REAR HATCH. TOYOTA SHOULD RECALL OR AT THEIR EXPENSE REPAIR THE VEHICLES WITH DEFECTIVE HANDLES.

NHTSA complaint #10806496 — an unverified report by a vehicle owner.

at 5,000 miles Rancho Cordova, CA

ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 2008 TOYOTA SIENNA. THE CONTACT STATED THAT WHILE DRIVING AT 10 MPH, THE PASSENGER SIDE SLIDING DOOR OPENED INDEPENDENTLY. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS REPAIRED, BUT THE FAILURE RECURRED SEVERAL TIMES. THE DETAILS OF THE REPAIRS WERE UNKNOWN. THE VEHICLES PASSENGER SIDE SLIDING DOOR ALSO OPENED INDEPENDENTLY WHEN PARKED AND FAILED TO CLOSE. IN ADDITION, THE DOOR AJAR WARNING LIGHT ILLUMINATED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 5,000. UPDATED 2/4/16 *CN.....UPDATED 02/10/16 *BF

NHTSA complaint #10794741 — an unverified report by a vehicle owner.

at 61,637 miles Estero, FL

ELECTRICAL SYSTEM

THAT WAS AROUND 2012 NEW YEAR TIME WHEN I , MY WIFE AND MY KID VISITED OUR FRIEND AT ATLANTA, GA. WE DROVE OUR VAN ON INTERSTATE HIGHWAY I-75, IN THE MIDDLE OF OUR TRIP, OUR VAN STARTED SHAKING VIGOROUSLY. I FELT THAT WAS FROM ENGINE, IT FORCED ME TO STOP ON THE SIDE OF I-75. AFTER A WHILE WE RESTARTED OUR VAN, WE COULD ONLY DRIVE FOR < 65 MILES/HOUR. ANY ACCELERATION RESULTED IN VIGOROUS SHAKING. AFTER WE CAME HOME I DROVE MY VAN TO AN AUTO SERVICE CENTER, AND WAS CHECKED. IT TURNED OUT THAT 3 IGNITION COILS, SPARK PLUGS, AND MANIFOLD GASKET HAD TO BE REPLACED. YESTERDAY (9/10/2015) THE SAME PROBLEM HAPPENED AGAIN.

NHTSA complaint #10762888 — an unverified report by a vehicle owner.

at 103,000 miles Pittsburg, PA

ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 2008 TOYOTA SIENNA. WHEN THE VEHICLE WAS STARTED, THE POWER SLIDING DOOR ON THE PASSENGER SIDE FAILED AND WOULD NOT OPEN. THE CONTACT STATED THAT THE DOOR COULD BE OPENED MANUALLY WITH FORCE. THE VEHICLE WAS TAKEN TO THE DEALER WHO DIAGNOSED THAT THE POWER DOOR CABLE NEEDED TO BE REPLACED. THE FAILURE RECURRED WITH THE DRIVER SIDE POWER SLIDING DOOR ALSO; HOWEVER, THE DOOR COULD NOT BE OPENED AT ALL. THE MANUFACTURER WAS MADE AWARE OF THE FAILURES. THE APPROXIMATE FAILURE MILEAGE WAS 103,000.

NHTSA complaint #10704134 — an unverified report by a vehicle owner.

at 108,500 miles Zebulon, NC

ELECTRICAL SYSTEM

PASSENGER SIDE POWER SLIDE DOOR DOES NOT WORK BY PRESSING THE BUTTON ON THE CENTRAL CONSOLE, ON THE SIDE OF DOOR OR THE KEY FOB. THE SLIDE DOORS DO WORK BY PULLING THE HANDLES FROM THE OUTSIDES. I WAS TOLD THIS WAS THE OVERRIDE PROCEDURE. THIS IS A BIG CONCERN WITH THIS BEING A FAMILY VEHICLE.

NHTSA complaint #10703309 — an unverified report by a vehicle owner.

at 72,465 miles Irving, TX

ELECTRICAL SYSTEM

I WAS GETTING THINGS OUT OF BACK WITH POWER LIFT GATE UP. WHILE LEANING IN VEHICLE THE POWER LIFT GATE CAME DOWN WITHOUT WARNING AND CAUGHT ME. IT DID NOT CONTINUE TO CRUSH ME BUT IT DID NOT REVERSE SO I HAD TO USE A PRETTY GOOD FORCE TO PUSH IT UP (MY WIFE PROBABLY WOULD NOT HAVE BEEN ABLE TO DO IT). IT DID IT A SECOND TIME A WEEK OR SO LATER. WHEN I TOOK IT TO TOYOTA THEY SAID THE STRUTS WERE BAD AND REPLACED THEM. WHEN I ASKED WHY THERE WAS NO WARNING THEY JUST SHRUGGED THEIR SHOULDERS AND SAID DO NOT KNOW AND INSINUATED THEY WOULD NOT KNOW WHAT TO DO SO IT WOULD NOT HAPPEN AGAIN WITHOUT WARNING. HOW WAS I TO KNOW THE STRUTS WERE BAD SINCE IT IS A POWER LIFT GATE HAD BEEN WORKING JUST FINE? IT SEEMS TO ME IF THIS IS NOT SOMETHING TOYOTA CAN FIX SO IT CANNOT COME DOWN WITHOUT WARNING THEY AT LEAST NEED TO INSTALL WARNING LABELS IN AN OBVIOUS PLACE THAT THE LIFT GATE CAN CLOSE WITHOUT WARNING. I REALLY THINK MY WIFE WOULD NOT BEEN ABLE TO PUSH IT UP AS I DID. SHE WOULD HAVE NEEDED ASSISTANCE.

NHTSA complaint #10702497 — an unverified report by a vehicle owner.

at 130,000 miles Tampa, FL

ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 2008 TOYOTA SIENNA. THE CONTACT STATED THAT THE REAR HATCH DOOR SENSOR MALFUNCTIONED AND FAILED TO RECOGNIZE WHEN SOMEONE WAS WITHIN THE ENTRY OF THE HATCH. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 130,000.

NHTSA complaint #10672645 — an unverified report by a vehicle owner.

at 80,000 miles Wayland, MA

ELECTRICAL SYSTEM

BOTH POWER SLIDE DOORS DO NOT WORK BY PRESSING THE BUTTONS ON THE CENTRAL CONSOLE NOR ON THE SIDE OF DOORS. IT FIRST HAPPENED ON THE LEFT DOOR AND THEN HAPPENED ON THE RIGHT DOOR RECENTLY. THE SLIDE DOORS DO WORK BY PULLING THE HANDLES FROM THE OUTSIDE. THE FAILURE POST A SERIOUS SAFETY CONCERN THAT IF THE VEHICLE INVOLVED IN AN ACCIDENT, THE PASSENGERS IN THE 2ND AND 3RD ROWS WILL NOT BE ABLE TO LEAVE THE VEHICLE QUICKLY WITHOUT THE IMMEDIATELY HELP FROM THE OUTSIDE, ESPECIALLY FOR THE MINORS AND DISABLES.

NHTSA complaint #10672657 — an unverified report by a vehicle owner.

at 112,000 miles Princeton, MA

ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 2008 TOYOTA SIENNA. THE CONTACT STATED THAT THE SLIDING DOORS CABLE FRACTURED CAUSING THE AUTOMATIC OPENING AND CLOSING OF THE DOOR TO FAIL. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 112,000.

NHTSA complaint #10662467 — an unverified report by a vehicle owner.

Other 2008 Toyota Sienna problems

← Full 2008 Toyota Sienna report