| Issue ID | 1030681 |
| Internal NHTSA # | 10557933 |
| Manufacurer | TOYOTA MOTOR CORPORATION |
| Brand | TOYOTA |
| Model | SIENNA |
| Model Year | 2004 |
| File date | 28/12/13 |
| Component | VEHICLE SPEED CONTROL |
| Product type code | VEHICLE |
| Description of the problem | I attempted to merge onto the expressway and after pushing the gas pedal the van suddenly accelerated beyond my control. I eased off the pedal and the van continued to serge ahead with no way for me to stop or slow it down as the brakes would not work. I saw the rpm reach level 6 and speed increase to 70 in seconds but as it was the expressway, i was able to keep my distance from cars in front of me. I switched the lever to the neutral position and the van slowed down and then i went back to drive and it roared back up to 70 mph with the rpm again at 6 and i tried turning the cruise control on and then braking to see if it would shut down the gas but no luck. I went back and forth from d to n for about 2 minutes and then on one of the movements from n to d it shut down back to normal. I dropped the van off at my toyota dealer the next day and am waiting to see what "headquarters " decides. |
| Vehicle Mileage at Failure | 146455 |
| Number of Occurences | 1 |
| Source of the issue | NHTSA WEB SITE |
| City and State | MIDDLETOWN, MD |
| VIN pattern | 5TDZA23C84SXXXXXX |
| Was vehicle invloved in a crash? | N |
| Was vehicle involved in a fire? | N |
| Was incedent reported to police? | N |
| Was medical attention required? | |
| Was part original equipment? | |
| No. of injured persons | 0 |
| No. of fatalities | 0 |
| Date of purchase | 07/08/26 |
| Was original owner? | N |
| Anti-lock brakes | N |
| Cruise control | N |
| Number of cylinders | 6 |
| Drive train type | |
| Transmission type | |
| Vehicle speed | 45 |
| DoT tire identifier | |
| Tire size | |
| Location of tire code | |
| Type of tire failure code | |
| Was defective tire repaired? | |
| Date of manufacture | |
| Type of child seat code | |
| Type of restraint | |
| Dealer's name | |
| Dealer's telephone number | |
| Dealer's city | |
| Dealer's state code | |
| Dealer's ZIP code |