IllustrationTHE FRONT AND SECOND ROW SEAT BELTS DIDN'T HOLD IN A REAR END CRASH CAUSING THE DRIVER TO STRIKE HER HEAD ON THE STEERING WHEEL AND A JUVENILE IN THE SECOND ROW TO STRIKE HER HEAD ON THE REAR OF THE DRIVER'S SEAT. *TR
2003 Toyota Sienna
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2003 Toyota Sienna do not stand out strongly from the model-year median of 183.
About this comparison →How this year compares
Owner complaints by model year
Compare all Sienna years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
270–25K
1025–50K
1450–75K
1075–100K
14100–150K
4150K+
79 reports with mileage · 26 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Latches/locks/linkages. Review the 21 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Structure. Review the 18 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes, Hydraulic. Review the 12 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
12 crash reports2 fire reports9 injury reports
Seat Belts complaints
5 reportsTHE LEFT 2ND ROW SEATBELT REPEATEDLY GETS TWISTED IN THE MECHANISM AND WILL NOT WORK. I SEE THERE IS A RECALL ON 2004 MODELS BUT NOT THE 2003. *TR
I HAD TO REPLACE THE 3RD ROW SEAT BELTS IN 2003 SEINNA 3 TIMES ON EACH SIDE. THE SEAT BELT LOCKED AT TOP AND WILL NOT FIT ARROUND MY CHILDREN OR IT WAS TOO LOOSE. IT HAS BEEN A A SAFTY ISSUE NUMEROUS TIMES WHEN IT BROKE ON VACATION , AND MY CHILD HAD TO SEAT UP FRONT. *AK
THE SEAT BELT ON THE SECOND ROW OF THE TOYOTA SIENNA MINIVAN, BECOME INOPERATIVE UNDER NORMAL CONDITIONS. THE SEAT BELT WILL NOT RETRACT MAKING THE SEAT USELESS. *NM
DT*: THE CONTACT STATED ALL REAR SEAT BELTS ARE JAMMED AND WILL NOT PULL OUT FOR USE. THE DEALERSHIP INSPECTED AND DETERMINED THE SEAT BELTS NEEDED TO BE REPLACED HOWEVER, NO REPAIRS HAVE BEEN MADE. THE MANUFACTURER HAS BEEN ALERTED.
Official recalls
110V160000 · Structure
Apr 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 ↗
NHTSA investigations
0No exact-year investigations in this snapshot.