VehicleVerdict

2004 Toyota Prius speed control problems

The 2004 Toyota Prius has 52 speed control complaints filed with NHTSA — 7% of the year's total, and up sharply from the prior model year.

52

Speed Control complaints

7%

Share of year

10

Crash-involved

1

Related recalls

Speed Control complaints by year

Related recalls

09V388000Speed ControlOctober 5, 2009 · 4,445,056 units

Defect

TOYOTA IS RECALLING CERTAIN MODEL YEAR 2004-2010 PASSENGER VEHICLES. THE ACCELERATOR PEDAL CAN GET STUCK IN THE WIDE OPEN POSITION DUE TO ITS BEING TRAPPED BY AN UNSECURED OR INCOMPATIBLE DRIVER'S FLOOR MAT.

Consequence

A STUCK OPEN ACCELERATOR PEDAL MAY RESULT IN VERY HIGH VEHICLE SPEEDS AND MAKE IT DIFFICULT TO STOP THE VEHICLE, WHICH COULD CAUSE A CRASH, SERIOUS INJURY OR DEATH.

Remedy

TOYOTA FILED AN AMENDED DEFECT REPORT ON NOVEMBER 25, 2009, STATING THAT DEALERS WILL MODIFY THE ACCELERATOR PEDAL AND, ON CERTAIN VEHICLES, ALTER THE SHAPE OF THE FLOOR SURFACE UNDER THE PEDAL. THESE CHANGES ADDRESS THE RISK OF PEDAL ENTRAPMENT DUE TO INTERFERENCE WITH THE FLOOR MAT. REDESIGNED ACCELERATOR PEDALS WILL BECOME AVAILABLE BEGINNING IN APRIL 2010 AND DEALERS WILL REPLACE ANY MODIFIED PEDAL WITH THE NEW PEDAL IF DESIRED. ALSO, DEALERS WILL REPLACE ANY GENUINE TOYOTA OR LEXUS ALL-WEATHER FLOOR MATS WITH REDESIGNED ALL-WEATHER MATS, OR REPURCHASE THE PREVIOUS MATS FROM OWNERS WHO DO NOT WANT THE NEW ONES. ADDITIONALLY, SOFTWARE MODIFICATIONS WILL BE INSTALLED ON CAMRY, AVALON AND LEXUS ES 350, IS 350 AND IS 250 MODELS THAT WILL ENSURE THAT THE BRAKE OVERRIDES THE ACCELERATOR IN THE EVENT BOTH BRAKE AND ACCELERATOR PEDALS ARE APPLIED. TOYOTA WILL BEGIN MAILING LETTERS TO OWNERS ON DECEMBER 31, 2009. OWNERS MAY CONTACT TOYOTA AT 1-800-331-4331, LEXUS AT 1-800-255-3987.

What owners report

TL*THE CONTACT OWNS A 2004 TOYOTA PRIUS. THE CONTACT WAS DRIVING APPROXIMATELY 40 MPH WHEN THE VEHICLE SUDDENLY ACCELERATED AND CRASHED INTO A VEHICLE AS SHE ATTEMPTED TO SLOW DOWN. THE AIR BAGS DID NOT DEPLOY AND THE CONTACT WAS INJURED. THE VEHICLE WAS DESTROYED. THE FAILURE MILEAGE WAS…

Complaint filed with NHTSA · Speed Control · April 5, 2010 · crash

Common questions

How many speed control complaints does the 2004 Toyota Prius have?

NHTSA has 52 complaints about the 2004 Toyota Prius speed control — 7% of all complaints filed for that model year.

Are there recalls for the 2004 Toyota Prius speed control?

Yes — 1 NHTSA recall campaign for this model year is tied to the speed control: 09V388000.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.