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EquipmentPart report

2003 Toyota Sienna Equipment Problems

Complaints
4about this part
Share
4%of 105 total for the year
Median mileage
20,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the equipment of the 2003 Toyota Sienna, 4% of the 105 complaints for this model year. Where a mileage was given, the median is 20,000 miles. 1 a fire, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“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.”

NHTSA complaint #10187409, filed 2007-04, 12,000 miles

“I secured a box spring to the factory installed roof rack. This load was within the owners manual specs for weight and size limits. At approximately 45 MPH the rack sheared at the connection point where the rail that runs from back to front meets the plastic foot which mounts to the roof with 2 bolts and expansion nuts. The box spring flew off the top of the vehicle and went skidding down the road and was damaged beyond repair. So far the dealership has refused to repair or replace the roof rack. …”

NHTSA complaint #10160357, filed 2006-06, 72,900 miles

“A plug-in battery charger failed. You may inspect it. It got hot and smoked, and I suppose was a fire hazard. The problem has not been confirmed nor inspected. There were no symptoms of the problem before the failure. - - - - I used the automotive charger to charge a battery after a light had been on overnight, discharging the battery. I removed the battery from the vehicle because the terminals might have been corroded. …”

NHTSA complaint #11419267, filed 2021-06

Related service bulletins

Equipment: other model years

YearComplaintsShare of year
202211%
201811%
201510%
201421%
201221%
2011254%
201053%
200931%
2008123%
200751%
2006121%
2005121%
2004322%
200344%
200232%
200121%
200082%
199910%
199872%

Other parts of the 2003 Toyota Sienna

Latches, locks and linkages
21 complaints
Body and structure
18 complaints
Brakes
13 complaints
Vehicle speed control
11 complaints
Transmission and drivetrain
10 complaints
Tires
7 complaints
Engine cooling
6 complaints
Seat belts
5 complaints
Electrical system
4 complaints
Fuel system
4 complaints
Steering
4 complaints
Suspension
4 complaints

← All problems reported for the 2003 Toyota Sienna

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology