NHTSA Investigation
DP08001
SUDDEN AND UNCONTROLLED ACCELERATION
Key Takeaways
- Investigation DP08001 currently maps to 2 tracked vehicle-year pages across 1 make.
- This page summarizes the public investigation subject, status, timing, and affected tracked vehicles linked from NHTSA source data.
- The linked component on this record is vehicle speed control:accelerator pedal.
What This Investigation Page Shows
This page summarizes a public NHTSA investigation record tied to one or more tracked vehicle-year pages in our database. Investigation records sit between owner complaints and recall campaigns: they can remain open, close without a recall, or connect to a later remedy action. Use this page to see which tracked vehicles are linked to the record, then open the individual vehicle pages for complaints, recalls, and crash test context.
Investigation Summary
THE PETITIONER OWNS A MODEL YEAR (MY) 2006 TOYOTA TACOMA EQUIPPED WITH A V6 ENGINE AND AUTOMATIC TRANSMISSION.IN A PETITION SENT TO NHTSA'S OFFICE OF DEFECTS INVESTIGATION (ODI) DATED JANUARY 10, 2008, HE ALLEGES HE EXPERIENCED TWO INCIDENTS OF UNWANTED ACCELERATION WHILE DRIVING HIS TACOMA.THE PETITIONER REPORTED THAT DURING BOTH INCIDENTS, WHILE APPLYING THE BRAKE, THE ENGINE SPEED INCREASED OF ITS OWN ACCORD (WITHOUT ACCELERATOR APPLICATION), CAUSING SUDDEN AND UNCONTROLLED ACCELERATION.THE PETITIONER REQUESTED THAT THE AGENCY COMMENCE A PROCEEDING TO DETERMINE THE EXISTENCE OF A DEFECT RELATED TO MOTOR VEHICLE SAFETY INVOLVING THE ELECTRONICALLY ACTUATED THROTTLE CONTROL SYSTEM.ODI REVIEWED THE PETITION, ASSESSED VOQS, INTERVIEWED PERSONS WHO FILED VOQS, TESTED THE VEHICLE, AND REVIEWED TOYOTA'S RESPONSE TO AN AGENCY INFORMATION REQUEST.THE COMPLAINTS FELL INTO THREE GROUPS.A MAJORITY OF THE COMPLAINTS MAY HAVE INVOLVED THE TACOMA'S THROTTLE CONTROL SYSTEM.SOME COMPLAINTS DID NOT INVOLVE A FAILURE OF THE THROTTLE CONTROL SYSTEM.FOR THE REMAINING REPORTS, ALTHOUGH THERE MAY HAVE BEEN AN ISSUE WITH THE THROTTLE CONTROL SYSTEM AS ONE POSSIBLE EXPLANATION, WE HAVE BEEN UNABLE TO DETERMINE A CAUSE RELATED TO THROTTLE CONTROL OR ANY UNDERLYING CAUSE THAT GAVE RISE TO THE COMPLAINT.FOR THOSE VEHICLES WHERE THE THROTTLE CONTROL SYSTEM DID NOT PERFORM AS THE OWNER BELIEVES IT SHOULD HAVE, THE INFORMATION SUGGESTING A POSSIBLE DEFECT RELATED TO MOTOR VEHICLE SAFETY IS QUITE LIMITED.ADDITIONAL INVESTIGATION IS UNLIKELY TO RESULT IN A FINDING THAT A DEFECT RELATED TO MOTOR VEHICLE SAFETY EXISTS OR A NHTSA ORDER FOR THE NOTIFICATION AND REMEDY OF A SAFETY-RELATED DEFECT AS REQUESTED BY THE PETITIONER.THEREFORE, IN VIEW OF THE NEED TO ALLOCATE AND PRIORITIZE NHTSA'S LIMITED RESOURCES TO BEST ACCOMPLISH THE AGENCY'S SAFETY MISSION, THE PETITION IS DENIED.PLEASE SEE THEFEDERAL REGISTER NOTICE FOR FURTHER DETAILS.
Manufacturer listed on the source record: Toyota Motor Corporation
Component listed on the source record: VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
Affected Vehicles (2)
Browse Affected Vehicles
Affected Models
All data is sourced from NHTSA public records. This site is not affiliated with, endorsed by, or operated by the National Highway Traffic Safety Administration or any government agency. Complaints are unverified consumer reports submitted to NHTSA and may not reflect confirmed defects. For official information, visit nhtsa.gov.
Data synced from NHTSA on May 4, 2026