There are 7 owner-reported air bags & restraints complaints for the 2003 Toyota Siennain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TAKATA RECALL AIR BAGS FAILED TO DEPLOY IN A ROLL OVER ACCIDENT THAT INVOLVED IN CAR BEING AIRBORNE AND ROLLING OVER. CAR WAS TOTALED. NO AIRBAGS DEPLOYED, CAR WENT THROUGH 50 FOOT OF CORNFIELD AND LANDED ON THE ROOF. WINDOWS WERE ALL COLLAPSED DOOR RIPPED OFF ITS HINGES. I HAVE PICTURES ON MY PHONE I CAN PRINT AND GET TO YOU.
THE 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
THE 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.
NO PARTS AVAILABLE. RECALL ON AIR BAG LIGHT. RECALL NUMBER UNKNOWN. DUTCH MILLER 304-529-2301. *AK
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026