NHTSA owner reports · September 18, 2026 snapshot.
Service Brakes, Hydraulic complaints
12 reportsClear category filter43,000 miles · Mar 15, 2010
Engine And Engine CoolingService Brakes, HydraulicCrash
HERE IS A LIST OF MECHANICAL MALFUNCTIONS INDICATING MANUFACTURING DEFECTS ON MY TOYOTA SIENNA. THE CURRENT MODELS RECALLED BY TOYOTA MOTORS DO NOT COVER ALL VEHICLES WITH DEFECTS. BASED ON MY PERSONAL EXPERIENCE IN THE PAST FEW YEARS, TOYOTA MOTORS HAVE A LOT OF LYING EMPLOYEES IN THEIR AUTHORIZED DEALERSHIP. IN SHORT, TOYOTA M…
Read full complaint
HERE IS A LIST OF MECHANICAL MALFUNCTIONS INDICATING MANUFACTURING DEFECTS ON MY TOYOTA SIENNA. THE CURRENT MODELS RECALLED BY TOYOTA MOTORS DO NOT COVER ALL VEHICLES WITH DEFECTS. BASED ON MY PERSONAL EXPERIENCE IN THE PAST FEW YEARS, TOYOTA MOTORS HAVE A LOT OF LYING EMPLOYEES IN THEIR AUTHORIZED DEALERSHIP. IN SHORT, TOYOTA MOTORS PUT THEIR BUSINESS INTEREST WAY AHEAD OF THE LIFE SAFETY OF AMERICAN PEOPLE. I HOPE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION WILL CHECK THIS MANNER AND ENFORCE PROPER REGULATION. UPDATED 03/14/10 *BF *TR THE CONSUMER STATED THE ENGINE WOULD STALL. THE DEALER REPLACED THE UPPER RADIATOR HOSE AND COOLANT. THE CONSUMER ALSO STATED HE HAD PROBLEMS STOPPING THE VEHICLE, WHICH LED TO AN ACCIDENT. UPDATED IVOQ 10/12/10
NHTSA ODI #10319618
Mileage unknown · Feb 4, 2010
Service Brakes, HydraulicVehicle Speed Control
2003 TOYOTA SIENNA MAY ALSO HAVE SUDDEN ACCELERATION PROBLEM. WHY ISN'T 2003 TOYOTA SIENNA ON TOYOTA'S RECENT RECALL LIST YET? THIS HAPPENED TO ME ONCE, I AM STILL VERY SCARED NOW, BUT I AM PUZZLED WHY 2003 TOYOTA SIENNA IS NOT ON TOYOTA'S RECENT RECALL LIST YET. PLEASE SEE THE FOLLOWING LINK FIRST. HTTP://TOWNHALL-TALK.ED…
Read full complaint
2003 TOYOTA SIENNA MAY ALSO HAVE SUDDEN ACCELERATION PROBLEM. WHY ISN'T 2003 TOYOTA SIENNA ON TOYOTA'S RECENT RECALL LIST YET? THIS HAPPENED TO ME ONCE, I AM STILL VERY SCARED NOW, BUT I AM PUZZLED WHY 2003 TOYOTA SIENNA IS NOT ON TOYOTA'S RECENT RECALL LIST YET. PLEASE SEE THE FOLLOWING LINK FIRST. HTTP://TOWNHALL-TALK.EDMUNDS.COM/DIRECT/VIEW/.F105086 I BELIEVE MY ACCIDENT HAPPENED ON SATURDAY, JANUARY 17, 2009. VERY FORTUNATELY, THERE WAS NO INJURY, AND THAT'S ONE OF THE REASONS WHY I DID NOT REPORT THE ACCIDENT THEN. I WAS DRIVING MY 2003 TOYOTA SIENNA FROM HOUSTON TO AUSTIN, TX. MY OLDEST SON WAS A FRESHMAN AT THAT TIME AND THE SPRING SEMESTER WAS ABOUT TO BEGIN. MY WIFE, MY YOUNGEST SON, WERE ALSO IN THE CAR AT THE TIME. THERE WERE TOTAL OF FOUR IN THE CAR. I WAS DRIVING ON HIGHWAY 71 USING THE CRUISE CONTROL. ABOUT 50 MILES (I DON'T KNOW EXACTLY THE LOCATION, BUT I CAN FIND THAT LOCATION IF I DRIVE ON HIGHWAY 71 AGAIN) FROM AUSTIN, THERE WAS A TRAFFIC LIGHT. WHEN I WAS APPROACHING TO THAT TRAFFIC LIGHT, IT ALREADY TURNED TO RED, AND I IMMEDIATELY PUT MY RIGHT FOOT ON THE BRAKE TO TRY TO STOP THE CAR IN FRONT OF THE TRAFFIC LIGHT. AT THIS MOMENT, SOMETHING SCARING HAPPENED. THE BRAKE DID NOT SEEM TO WORK, AND THE CAR STARTED TO ACCELERATE IN STEAD. I COULD NOT CONTROL THE CAR, AND MY CAR RUN THROUGH THE TRAFFIC LIGHT, AND EVERYONE IN THE CAR WAS VERY VERY SCARED. WE WERE VERY FORTUNATE BECAUSE THE CARS IN THE OTHER DIRECTION WERE STILL WAITING FOR THEIR GREEN LIGHT. FINALLY THE CAR WAS STOPPED APPROXIMATELY 40 YARDS AFTER THE TRAFFIC LIGHT. I SLOWLY DROVE MY CAR INTO A GAS STATION NEARBY AND CHECKED THE CAR (BUT I COULD NOT FIND ANY PROBLEMS BECAUSE I AM NOT A MECHANIC). AFTER THAT, I SLOWLY DROVE THE CAR TO AUSTIN TO DROP MY SON THERE, AND I DROVE BACK TO HOUSTON THROUGH HIGHWAY 290 VERY SLOWLY. AFTER THE ACCIDENT, I TOLD THE STORY TO MY COLLEAGUES AND MY CHURCH GROUP. I TOLD THEM IT WAS THE GOD WHO STOPPED THE CARS IN OTHER DIRECTION. *TR
NHTSA ODI #10305394
66,669 miles · Jun 5, 2009
Service Brakes, Hydraulic
TL*THE CONTACT OWNS A 2003 TOYOTA SIENNA. WHILE DRIVING LESS THAN 45 MPH, THE BRAKES FAILED TO RESPOND WHEN APPLIED. THE DEALER PERFORMED A DIAGNOSTIC, WHICH VERIFIED THAT THE BRAKING SYSTEM FAILED. THE ANTI-LOCK BRAKING SYSTEM WAS REPLACED AT THE COST OF $4,000 AT THE CONTACT'S EXPENSE. THERE WERE NO RECALLS FOR THE FAILURE…
Read full complaint
TL*THE CONTACT OWNS A 2003 TOYOTA SIENNA. WHILE DRIVING LESS THAN 45 MPH, THE BRAKES FAILED TO RESPOND WHEN APPLIED. THE DEALER PERFORMED A DIAGNOSTIC, WHICH VERIFIED THAT THE BRAKING SYSTEM FAILED. THE ANTI-LOCK BRAKING SYSTEM WAS REPLACED AT THE COST OF $4,000 AT THE CONTACT'S EXPENSE. THERE WERE NO RECALLS FOR THE FAILURE. THE FAILURE AND CURRENT MILEAGES WERE LESS THAN 66,669. UPDATED 03/01/10. *LJ UPDATED 06/14/10.*JB
NHTSA ODI #10272965
1,500 miles · Dec 30, 2005
Service Brakes, Hydraulic
DT: THE CONTACT COMPLAINED ABOUT ABS PROBLEMS. HE TOOK THE VEHICLE TO THE DEALERSHIP SEVEN TIMES. THE DEALERSHIP WAS UNABLE TO DUPLICATE THE PROBLEM. THE CONTACT FELT THIS WAS A SAFETY PROBLEM. *AK
NHTSA ODI #10146608
Mileage unknown · Jun 22, 2004
Service Brakes, Hydraulic
WHILE APPLYING THE BRAKES PEDAL WENT TO THE FLOOR. A LOUD SQUEAKING NOISE WAS HEARD COMING FROM THE FRONT. VEHICLE SHOOK UNCONTROLLABLY. CONSUMER WAS ABLE TO MAINTAIN CONTROL OF THE VEHICLE, AND DROVE IT TO THE DEALER FOR INSPECTION, AND MECHANIC DETERMINED THAT BOTH FRONT BRAKE PADS AND ROTORS NEEDED TO BE REPLACED.*AK
NHTSA ODI #10079651
3,330 miles · May 20, 2004
Service Brakes, Hydraulic
WHEN BRAKING VEHICLE ROLLED FORWARD. DRIVER DEPRESSED THE BRAKE PEDAL AND THE BRAKES SQUEAKED. IT FELT LIKE VEHICLE CONTINUED TO ACCELERATE. *AK THE CONSUMER STATED THAT THE VEHICLE CREPT FORWARD WHILE STOPPED AT AN INTERSECTION WITH THE BRAKE APPLIED. *NM
NHTSA ODI #10062829
Mileage unknown · Feb 18, 2004
Service Brakes, Hydraulic
CONSUMER STATED WHILE TRAVELING 15-30 MPH DEPRESSED BRAKES AND PEDAL TRAVELED TO FLOORBOARD, CAUSING EXTENDED STOPPING DISTANCE. *AK
NHTSA ODI #10059252
20,000 miles · Dec 13, 2003
Service Brakes, Hydraulic
BRAKES SQUEAK WHEN APPLIED AT LOW SPEED. DEALER FIXED IT THREE TIMES, BUT IT IS BACK AGAIN. THE VAN WAS PURCHASED NEW AND IS STILL UNDER 3 YEAR/36,000 MILES WARRANTY.*AK
NHTSA ODI #10049702
6,000 miles · Sep 29, 2003
Service Brakes, Hydraulic
WHEN APPLYING THE BRAKES AT ANY SPEED THEY SQUEALED. VEHICLE WAS TAKEN TO DEALER TO GET THE PROBLEM REPAIRED, BUT AFTER THE REPAIRS THE SQUEALING DIMINISHED BUT PERSISTED. THE MANUFACTURER WAS INFORMED OF THE PROBLEM.*AK
NHTSA ODI #10041928
13,488 miles · Jun 11, 2003
Service Brakes, Hydraulic
WHEN BRAKING OR ACCELERATING THERE WAS A LOUD GRINDING NOISE, TOOK VEHICLE TO DEALER, DEALER SAID THAT ROTORS AND BRAKES NEEDED REPLACING. *AK
NHTSA ODI #10022876
Official recalls
1Apr 20, 2010
TOYOTA IS RECALLING CERTAIN MODEL YEAR 1998 THROUGH 2010 SIENNA PASSENGER VEHICLES MANUFACTURED BETWEEN AUGUST 7, 1997 AND JANUARY 4, 2010, CURRENTLY REGISTERED IN OR ORIGINALLY SOLD IN CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, KENTUCKY, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WASHINGTON DISTRICT OF COLUMBIA, VIRGINIA, WEST VIRGINIA, AND WISCONSIN. THE SUBJECT VEHICLES ARE EQUIPPED WITH THE SPARE TIRE STOWED UNDER THE VEHICLE. IF THE VEHICLE IS OPERATED IN THE COLD CLIMATE REGIONS OF THE UNITED STATES WHERE ROAD SALT IS FREQUENTLY USED, WATER SPLASHED BACKWARDS WITH HIGH CONCENTRATIONS OF ROAD SALT CAN REACH THE SPARE TIRE CARRIER AND CORRODE THE SPARE TIRE CARRIER ASSEMBLY CABLE.
Consequence & remedy
Consequence: THE CABLE MAY BREAK DUE TO EXCESSIVE CORROSION AND THE SPARE TIRE MAY SEPARATE FROM THE VEHICLE, POSSIBLY RESULTING IN A VEHICLE CRASH.
Remedy: TOYOTA WILL NOTIFY OWNERS WITH AN INTERIM LETTER INITIALLY INSTRUCTING THEM TO BRING THEIR VEHICLE TO AUTHORIZED DEALERS TO INSPECT FOR CORROSION. A SECOND NOTICE WILL BE SENT WHEN THE PERMANENT REMEDY IS AVAILABLE. FOR MORE INFORMATION, PLEASE SEE TOYOTA'S AMENDED RECALL REPORT OF JULY 19, 2010. THE SAFETY RECALL IS EXPECTED TO BEGIN ON OCTOBER 12, 2010. OWNERS MAY CONTACT TOYOTA AT 1-800-331-4331.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗