2004 Toyota Sienna Vehicle Speed Control Problems

Source: NHTSA · Updated Nov 17, 2025 · 111 complaints analyzed

Owners have filed 111 complaints with NHTSA about vehicle speed control problems on the 2004 Toyota Sienna, 5% of all complaints for this model year. Half of the reports with a mileage happened before 62,896 miles. The words owners use most often: “suddenly accelerated” (6% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Suddenly accelerated: mentioned in 7 of 111 complaints (6%)
  • Parking space: mentioned in 7 of 111 complaints (6%)
  • Floor mat: mentioned in 6 of 111 complaints (5%)

At what mileage do vehicle speed control problems happen?

Based on 88 complaints that reported the odometer reading.

Under 10k miles16 · 18%
10k–25k miles6 · 7%
25k–50k miles18 · 20%
50k–75k miles11 · 13%
75k–100k miles14 · 16%
100k–150k miles16 · 18%
150k+ miles7 · 8%

How serious are the reports?

Of 111 complaints, 26 mention a crash, 10 an injury.

Toyota Sienna vehicle speed control complaints by model year

Peak: 2004, with 111 complaints
1996: 119961998: 81999: 519992000: 202001: 920012002: 102003: 1120032004: 1111112005: 6220052006: 502007: 2820072008: 512009: 1320092010: 192011: 2020112012: 112013: 620132014: 112015: 320152016: 22017: 620172018: 52019: 32019

n = 465 complaints · Source: NHTSA

Model yearVehicle Speed Control complaintsShare of that yearMedian miles
2019 Sienna37%12,000
2018 Sienna57%21,275
2017 Sienna64%4,187
2016 Sienna23%18,000
2015 Sienna31%30,500
2014 Sienna117%78,929
2013 Sienna63%28,286
2012 Sienna114%8,900
2011 Sienna203%20,000
2010 Sienna1911%26,500
2009 Sienna136%40,000
2008 Sienna5112%43,000
2007 Sienna288%38,500
2006 Sienna505%66,000
2005 Sienna625%71,000
2004 Sienna1115%62,896
2003 Sienna1110%75,000
2002 Sienna106%98,000
2001 Sienna95%145,000
2000 Sienna206%152,859
1999 Sienna52%122,000
1998 Sienna83%102,000
1996 Sienna133%51,290

When owners reported it

Peak: 2010, with 33 complaints
2003: 320032004: 132005: 720052006: 12007: 520072008: 42009: 420092010: 33332011: 520112012: 52013: 420132014: 72015: 620152016: 32017: 120172018: 12019: 120192021: 12022: 320222023: 12024: 120242025: 2

n = 111 complaints · Source: NHTSA

Related recalls (1)

Vehicle speed control:accelerator pedalJan 16, 2009 · NHTSA campaign 09V023000 · 26,501 vehicles

Problem: 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.

Risk: If this occurs, the accelerator pedal can become stuck which could result in a vehicle crash.

Fix: Dealers will replace the retention clip and floor carpet cover at no charge. The campaign began on january 26, 2009. Owner notification is expected to be completed by early april 2009. Owners may contact toyota at 1-888-270-9371, if they have any further questions.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

Vehicle often applies brakes on its own . At first it was only in turns . However now it does it when driving straight on the the freeway or just down the street at 45mph. I have fixed my alignment ,new tires, all of the front suspension and nothing prevents the car from trying to brake for me. it…

Received Mar 19, 2025 · NHTSA complaint 11649266

Was driving on highway at 60-65 mph. The car continued to accelerate. Pressed on brake and wasn't slowing the vehicle. The driver was weaving in and out of cars as the van started to creek up to 92 mph. The driver and passengers thought they were going to crash and possible die. The driver tried…

Received Jan 9, 2025 · NHTSA complaint 11635166

The contact owns a 2004 Toyota Sienna. The contact stated that while driving approximately 65 MPH the vehicle suddenly experienced unintended acceleration and the speed of the vehicle increased to over 90 MPH. During the failure, the braking system had failed and would not stop the vehicle while…

Received Mar 12, 2024 · NHTSA complaint 11576843
Toyota Sienna
Toyota Sienna (XL40) Washington DC, USA. Representative photo; appearance varies by model year. Photo: OWS Photography, CC BY 4.0, via Wikimedia Commons.

Frequently asked questions

Do all 2004 Toyota Siennas have vehicle speed control problems?

No. NHTSA has 111 owner complaints about vehicle speed control for the 2004 Toyota Sienna (5% of the 2,062 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the 2004 Toyota Sienna vehicle speed control?

Yes: 1 safety recall list vehicle speed control. Check your VIN on NHTSA.gov to see whether the fix was done on your car.

At what mileage do vehicle speed control problems start?

The median reported mileage is 62,896 miles: half of the reports with a mileage came before that.

What do owners say about vehicle speed control problems on the 2004 Toyota Sienna?

The most frequent phrase is “suddenly accelerated”, in 7 of 111 complaints, followed by “parking space” (7).

Other 2004 Toyota Sienna problems

See all 2004 Toyota Sienna problems or vehicle speed control problems across all Sienna years.