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#BS-2004-TOYSIE-5568

2004 Toyota SiennaProblems, Recalls & Reliability

Based on reports from 2,588 owners and 10 recalls for this exact model.

Data updated ·checked October 30, 2026 · NHTSA complaints through October 28, 2026

Complaints
2,588
Crashes
56
Fires
12
Recalls
10
TSBs
257
🛑

Preliminary Verdict

Red Flag

Based on 2,588 complaints, 56 crashes, 12 fires, and 10 recalls. Complaint rate is 4.4x the class average.

Top reported problems

1

dashboard cracking

35 complaints • Severity 7.8/10

$X,XXX
2

broken weld in door

24 complaints • Severity 7.1/10

$X,XXX
3

sliding door issues

12 complaints • Severity 7.5/10

$X,XXX
4

headlight assembly leaks

12 complaints • Severity 6.3/10

$X,XXX
5

cable for automatic sliding side doors split and broke

11 complaints • Severity 8.4/10

$X,XXX

Preview: What's in your full report

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Mechanic Inspection Checklist

!Check the Structure:body:doorHIGH

354 owners reported structure:body:door issues — failures commonly reported around 77K miles.

!Inspect the Structure:bodyMED
Look for symptoms of wear and premature failure
+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

316
0–30K
377
30–60K
562
60–90K
392
90–120K
256
120–150K
164
150K+

Peak failure range: 60–90K miles (562 reports) • Median: 77K miles

Full report: which components fail at each mileageUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Structure:body:door (354 reports).

Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Where the complaints fall

Structure:body:door354 (14%)
Structure:body281 (11%)
Latches & Locks228 (9%)
Steering148 (6%)
Structure145 (6%)
Electrical116 (4%)
Other103 (4%)
Wheels & Tires102 (4%)

2004 Toyota Sienna: Known Issues & Problem Areas

Structure:body:door Issues

Structure:body:door complaints account for 14% of all reports filed for the 2004 Toyota Sienna, with 354 owners filing complaints with NHTSA. The median mileage at time of complaint is 77,000 miles, suggesting issues tend to surface around the 77K-mile mark.

Structure:body Issues

Structure:body complaints account for 11% of all reports filed for the 2004 Toyota Sienna, with 281 owners filing complaints with NHTSA. Owners should pay attention to structure:body-related symptoms during test drives and pre-purchase inspections.

Latches & Locks Issues

Latches & Locks complaints account for 9% of all reports filed for the 2004 Toyota Sienna, with 228 owners filing complaints with NHTSA. Owners should pay attention to latches & locks-related symptoms during test drives and pre-purchase inspections.

Steering Issues

Steering complaints account for 6% of all reports filed for the 2004 Toyota Sienna, with 148 owners filing complaints with NHTSA. Owners should pay attention to steering-related symptoms during test drives and pre-purchase inspections.

Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.

Complaint trend by year

31
03
118
04
156
05
104
06
196
07
240
08
275
09
403
10
215
11
172
12
130
13
130
14
116
15
101
16
47
17
36
18
38
19
20
20
22
21
15
22
8
23
2
24
13
25

Complaints filed with NHTSA by year for the 2004 Toyota Sienna. Recent trend: increasing.

Don't negotiate blind — know what this car costs to own

Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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Recall History (10 recalls)

03V291000Aug 2003

FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

ON CERTAIN SPORT UTILITY VEHICLES, A PART OF THE FUEL TANK MAY BECOME DAMAGED WHEN CRASHED IN THE INSURANCE INSTITUTE FOR HIGHWAY SAFETY'S (IIHS) 40 MPH FRONTAL OFFSET CRASH TEST CONDITIONS, DUE TO THE SEVERE IMPACT FORCES GENERATED.

05V327000Aug 2005

SEAT BELTS

ON CERTAIN MINI VANS, IN THE MIDDLE ROW SEATING POSITION, THE SHOULDER PORTION OF THE SEAT BELT MAY BIND IN THE BEZEL TRIM PIECE. THE AFFECTED SEAT BELT BEZEL IS LOCATED ON THE SHOULDER PORTION OF THE SEAT IN THE RIGHT SIDE SEAT OF THE SEVEN PASSENGER MODELS AND THE CENTER SEATING POSITION IN THE EIGHT PASSENGER MODELS.

08V244000Aug 2008

STRUCTURE:BODY:HATCHBACK/LIFTGATE

TOYOTA IS CONDUCTING A SAFETY IMPROVEMENT CAMPAIGN INVOLVING 196,222 MY 2004-2006 TOYOTA SIENNA VEHICLES EQUIPPED WITH POWER REAR LIFTGATE STRUTS. THE GAS STRUTS USED TO HELP LIFT AND SUPPORT THE REAR POWER LIFTGATE COULD WEAR OUT SOONER THAN EXPECTED. AS THE GAS STRUTS DETERIORATE, THE PERFORMANCE OF THE LIFTGATE WILL BEGIN TO DEGRADE AND THE POWER REAR LIFTGATE WILL OPERATE MORE SLOWLY THAN WHEN THE GAS STRUTS WERE NEW.

09V023000Jan 2009

VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

TOYOTA IS CONDUCTING A SAFETY IMPROVEMENT CAMPAIGN INVOLVING 26,501 EARLY 2004 MY SIENNA VEHICLES. IN THE EVENT THE RETENTION CLIP USED TO SECURE THE FLOOR CARPET COVER IS MISSING, THE COVER CAN INTERFERE WITH THE OPERATION OF THE ACCELERATOR PEDAL IF THE ACCELERATION PEDAL IS DEPRESSED TO NEARLY THE FULL THROTTLE POSITION.

09V234000Dec 2009

EQUIPMENT:OTHER:LABELS

TOYOTA IS RECALLING CERTAIN MODEL YEAR 2006 THROUGH 2009 SIENNA AND 2009 LEXUS GX PASSENGER VEHICLES. THE VEHICLE CAPACITY WEIGHT ON THE TIRE AND LOADING INFORMATION LABEL AND THE GVWR ON THE CERTIFICATION LABEL IS INSUFFICIENT FOR CERTAIN VEHICLES. SOME VEHICLES WERE ACCESSORIZED THROUGH VEHICLE PROCESSING CENTERS AND HAD ACCESSORIES INSTALLED THAT CAUSED THE VEHICLE TO EXCEED THE GVWR VALUE. THESE VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO 110, "TIRE SELECTION AND RIMS," AND 49 CFR PART 567.

+ 5 more recalls in the full report

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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NHTSA Defect Investigations (10)

All closed. Investigations are how NHTSA decides whether a defect needs a recall.

EA05010ClosedOpened Jun 2005 · closed Aug 2005

SEATBELT MALFUNCTION

SEAT BELTS:REAR/OTHER

EA06020ClosedOpened Dec 2006 · closed Jun 2008

UNEXPECTED CLOSING OF POWER LIFTGATE

LATCHES/LOCKS/LINKAGES:HATCHBACK/LIFTGATE:LOCK

EA08014ClosedOpened Aug 2008 · closed Jan 2009

ACCELERATOR PEDAL INTERFERENCE

VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

EA08024ClosedOpened Oct 2008 · closed Jul 2009

STEERING INTERMEDIATE SHAFT BINDING

STEERING:COLUMN

EQ12010ClosedOpened Sep 2012 · closed Dec 2012

Stabilus Rear Liftgate Struts Failing

STRUCTURE:BODY:HATCHBACK/LIFTGATE:SUPPORT DEVICE/STRUT

+ 5 more in the full report

The worst model year for the Toyota Sienna is the 2007 — worth knowing if you're cross-shopping years. The biggest problem area is accessories - interior.

2004 Toyota Sienna vs. Class Average (Minivan - 2WD)

This vehicle

2,588

Class avg

583

4.4x the class average — significantly more complaints than typical minivan - 2wd vehicles.

Complaint counts correlate with sales volume — popular vehicles naturally generate more reports. The full report normalizes for this.

About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 2,588 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 10 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Last updated (checked October 30, 2026). NHTSA complaints received through October 28, 2026.

2004 Toyota Sienna: Frequently Asked Questions

What is the most common problem with the 2004 Toyota Sienna?
The most commonly reported issue with the 2004 Toyota Sienna is related to the structure:body:door, with 354 complaints filed with NHTSA.
Is the 2004 Toyota Sienna reliable?
The 2004 Toyota Sienna has 2,588 complaints, 56 crash reports, and 12 fire reports filed with NHTSA. This is 4.4x the class average — higher than typical for its segment.
How much does it cost to fix 2004 Toyota Sienna problems?
Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.
Does the 2004 Toyota Sienna have any recalls?
Yes, the 2004 Toyota Sienna has 10 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Toyota Sienna problems start?
Based on 2067 complaints with mileage data, the median mileage at time of complaint is 77,000 miles. The highest concentration of reported issues occurs in the 60–90K mile range. The full report breaks down exactly which components fail at each mileage bracket.
When was the 2004 Toyota Sienna data last updated?
BumperScan last checked this vehicle against NHTSA on October 30, 2026, covering owner complaints received through October 28, 2026 plus the latest recalls, investigations and technical service bulletins. Its numbers last changed on October 4, 2026.
What’s in the full report?
10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.
How is this different from free NHTSA data?
NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.
How is this different from Carfax?
Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.
What if the report isn’t useful?
100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.
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10 sections of AI analysis based on 2,588 owner reports. Know before you buy.

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