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Toyota Unintended Acceleration Investigation

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Toyota Unintended Acceleration Investigation
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NHTSA-NASA Study of Unintended Acceleration in Toyota Vehicles
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This page is a collection of information regarding the 2008-2011 U.S. government investigation into reported incidents of unintended acceleration (UA) in Toyota and Lexus cars and trucks.

NHTSA-NASA Study of Unintended Acceleration in Toyota Vehicles

This section from NHTSA.gov

The Department of Transportation released results from an unprecedented ten-month study of potential electronics-based causes for unintended acceleration in Toyota vehicles. NHTSA launched the study last spring at the request of Congress, and enlisted National Aeronautics and Space Administration (NASA) engineers with expertise in areas such as computer-controlled electronic systems, electromagnetic interference, and software integrity to conduct new research into whether electronics systems or electromagnetic interference played a role in alleged incidents of unintended acceleration. (Read the press release)

Note: Since public release of the NHTSA and NASA reports on February 8, 2011, the agency has revised its redactions to the reports to release certain material previously deemed confidential under 49 U.S.C. § 30167. The NHTSA and NASA reports currently on this web page, which were posted April 15, 2011, replace the ones posted previously and contain the revised redactions.

NHTSA Report on Toyota Unintended Acceleration Investigation

In March 2010, NHTSA enlisted the support of NASA in analyzing the Toyota electronic throttle control (ETC) system to determine whether it contained any vulnerabilities that might realistically be expected to produce unintended acceleration (UA) in a consumer’s use of those vehicles. NASA did not find an electronic cause of large throttle openings that can result in UA incidents. NHTSA did not find a vehicle-based cause of those incidents in addition to those causes already addressed by Toyota recalls.

This report presents NHTSA's studies and findings concerning UA in vehicles manufactured by Toyota. It should be read in conjunction with the report issued by NASA concerning the ETC system in Toyota vehicles.

NHTSA Executive Summary
NHTSA Full Report

NASA Report on Toyota Unintended Acceleration Investigation

NHTSA requested the NASA Engineering and Safety Center (NESC) to study unintended acceleration involving Toyota vehicles. The goal of the study was to determine if there are design and implementation vulnerabilities in the Toyota Electronic Throttle Control System Intelligent (ETCS-i) that could cause UAs and whether those vulnerabilities, if substantiated, could realistically occur in consumers' use of these vehicles.

NASA Executive Summary
NASA Full Report
> Appendix A: Software
> Appendix B: Fishbone Design
> Appendix C: Hardware
> Appendix D: Test Scenarios

Additional NHTSA Study Supporting Documentation

EVENT DATA RECORDER (EDR)

> EDR Pre-Crash Validation (VRTC DCD9157-1WDC)
> Reading Toyota EDR (NHTSA-NVS-2011-ETC-SR05)
> Report of Fatal Crash (NHTSA-NVS-2011-ETC-SR09)
> Field Inspection Results Table (NHTSA-NVS-2011-ETC-SR11)
> Acronyms and Terms
> Vehicle Characterization (VRTC-DCD9157-WDC)
> Search Keywords (NHTSA-NVS-2011-ETC-SR01)
> Peer Review (NHTSA-NVS-2011-ETC-SR14)
> Analysis of EMC Components (NHTSA-NVS-2011-ETC-SR15)


Documents

DateDocument Name & DetailsDocuments
March 2007Unintended Acceleration/Hybrid ODI Vehicle Investigation / Vehicle to Object
2005 Toyota Prius
National Highway Traffic Safety Administration

PDF
- 5,307KB - 16 pages
July 2007ODI Unintended Acceleration Investigation / Vehicle to Vehicle
2007 Toyota Camry
National Highway Traffic Safety Administration

PDF
- 7,273KB - 26 pages
Fall 2007Report of Fatal Crash
2007 Toyota Tundra
National Highway Traffic Safety Administration

PDF
- 80KB - 8 pages
October 2007Remote Potential Unintended Acceleration Investigation
2007 Toyota Tundra
National Highway Traffic Safety Administration

PDF
- 1,515KB - 14 pages
January 2008On-Site Office of Defects Investigation Potential Unintended Acceleration Investigation
Vehicle - 2007 Toyota Avalon
National Highway Traffic Safety Administration

PDF
- 1,464KB - 16 pages
June 2008On-Site Office of Defects Investigation Potential Unintended Acceleration Investigation
Vehicle - 2007 Lexus ES-350
National Highway Traffic Safety Administration

PDF
- 3,235KB - 17 pages
October 2009Office of Defects Investigation Calspan On-Site Potential Unintended Acceleration Crash Investigation
Vehicle: 2002 Toyota Highlander
National Highway Traffic Safety Administration

PDF
- 901KB - 29 pages
November 2009Office of Defects Investigation Calspan On-Site Potential Unintended Acceleration Crash Investigation
Vehicle: 2010 Toyota Camry
National Highway Traffic Safety Administration

PDF
- 862KB - 19 pages
January 2010On-Site Office of Defects Investigation Potential Unintended Acceleration Investigation
Vehicle - 2006 Lexus RX-330
National Highway Traffic Safety Administration

PDF
- 4,032KB - 18 pages
January 2010Calspan On-Site Potential Unintended Acceleration Crash Investigation
Vehicle: 2007 Toyota Camry
National Highway Traffic Safety Administration

PDF
- 578KB - 15 pages
January 2010On-Site Office of Defects Investigation Potential Unintended Acceleration Investigation
Vehicle - 2008 Toyota Tacoma PreRunner
National Highway Traffic Safety Administration

PDF
- 1,972KB - 18 pages
February 2010Calspan On-Site Potential Unintended Acceleration Crash Investigation
Vehicle: 2007 Toyota RAV4
National Highway Traffic Safety Administration

PDF
- 427KB - 17 pages
February 2010Office of Defects Investigation (ODI) On-Site Potential Unintended Acceleration Investigation
2006 Toyota Highlander
National Highway Traffic Safety Administration

PDF
- 1,197KB - 16 pages
February 2010Office of Defects Investigation Calspan On-Site Potential Unintended Acceleration Crash Investigation
Vehicle: 2008 Toyota Avalon
National Highway Traffic Safety Administration

PDF
- 734KB - 20 pages
16 February 2010Kathleen C. DeMeter, Director, NHTSA Office of Defects Investigation
Chris Tinto, Vice President, Toyota Motor North America, Inc.
Safety Recalls 07E-082, 09V-388 and 10V-023/TQ10-001

PDF
- 690KB - 15 pages
24 February 2010Toyota Gas Pedals:  Is the Public at Risk?
Hearing before the Committee on Oversight and Government Reform - United States House of Representatives

PDF
- 39,641KB - 768 pages
March 2010Calspan On-Site Potential Unintended Acceleration Crash Investigation
Vehicle: 2008 Toyota Avalon
National Highway Traffic Safety Administration

PDF
- 584KB - 17 pages
March 2010Office of Defects Investigation Calspan On-Site Potential Unintended Acceleration Crash Investigation
Vehicle: 2007 Toyota Camry
National Highway Traffic Safety Administration

PDF
- 763KB - 26 pages
March 2010Office of Defects Investigation Calspan On-Site Potential Unintended Acceleration Crash Investigation
Vehicle: 2010 Toyota RAV4
National Highway Traffic Safety Administration

PDF
- 459KB - 15 pages
March 2010On-Site Office of Defects Investigation Potential Unintended Acceleration Investigation
Vehicle - 2007 Lexus ES-350
National Highway Traffic Safety Administration

PDF
- 7,424KB - 23 pages
March 2010On-Site Office of Defects Investigation Potential Unintended Acceleration Investigation
Vehicle - 2009 Toyota Camry
National Highway Traffic Safety Administration

PDF
- 6,518KB - 18 pages
March 2010On-Site Office of Defects Investigation Potential Unintended Acceleration Investigation
Vehicle - 2009 Toyota Matrix S
National Highway Traffic Safety Administration

PDF
- 2,265KB - 18 pages
2 March 2010Toyota's Recalls and the Government's Response
Hearing before the Committee on Commerce, Science, and Transportation - United States Senate

PDF
- 2,020KB - 190 pages
18 March 2010Chris Tinto, Group Vice President - Technical and Regulatory Affairs, Toyota Motor North America, Inc.
Kathleen C. DeMeter, Director, NHTSA Office of Defects Investigation
Safety Recalls 07E-082, 09V-388 and 10V-023/TQ10-001

PDF
- 2.1MB - 27 pages
March-August 2010NHTSA Toyota Pre-Crash EDR Field Inspections
National Highway Traffic Safety Administration

PDF
- 219KB - 29 pages
April 2010Calspan Remote Potential Unintended Acceleration Crash Investigation
Vehicle: 2009 Toyota Corolla
National Highway Traffic Safety Administration

PDF
- 414KB - 19 pages
November 2010On-Site Potential Unintended Acceleration Investigation
2008 Toyota Camry
National Highway Traffic Safety Administration

PDF
- 4,031KB - 23 pages
January 2011Tabular Summary of NHTSA Toyota Pre-Crash EDR Field Inspections
National Highway Traffic Safety Administration

PDF
- 61KB - 7 pages
January 2011Toyota EDR Data from NHTSA Pre-Crash Field Inspections
National Highway Traffic Safety Administration

PDF
- 2,913KB - 428 pages
January 2011Vehicle Characterization and Performance Study of Toyota Camrys
National Highway Traffic Safety Administration

PDF
- 11.3MB - 257 pages
18 January 2011Technical Support to the National Highway Traffic Safety Administration (NHTSA) on the Reported Toyota Motor Corporation (TMC) Unintended Acceleration (UA) Investigation
National Aeronautics and Space Administration
Executive Summary:
PDF
- 103KB - 6 pages
Full Report:
PDF
- 11.2MB - 177 pages
Appendix A: Software:
PDF
- 7,647KB - 134 pages
Appendix B: Fishbone Diagrams:
PDF
- 1,960KB - 47 pages
Appendix C: Hardware:
PDF
- 9,560KB - 87 pages
Appendix D: Summary of Test Scenarios:
PDF
- 143KB - 7 pages
February 2011Analysis of Electronic Control Unit and Accelerator Pedal Mechanism Components Damaged During EMC Testing

National Highway Traffic Safety Administration

PDF
- 3,087KB - 37 pages
February 2011Background information regarding Toyota EDRs

National Highway Traffic Safety Administration

PDF
- 28KB - 5 pages
February 2011Event Data Recorder - Pre Crash Data Validation of Toyota Products

National Highway Traffic Safety Administration

PDF
- 416KB - 32 pages
February 2011Keyword Search Terms for Unintended Acceleration Cases in NHTSA Complaint Database

National Highway Traffic Safety Administration

PDF
- 26KB - 6 pages
February 2011Peer Review of NHTSA and NASA Test Plan into Toyota Unintended Acceleration

National Highway Traffic Safety Administration

PDF
- 45KB - 10 pages
February 2011Reading Toyota EDR Outputs of Pre-Crash Data

National Highway Traffic Safety Administration

PDF
- 59KB - 5 pages
February 2011Technical Assessment of Toyota Electronic Throttle Control (ETC) Systems

National Highway Traffic Safety Administration
Executive Summary:
PDF
- 41KB - 6 pages
Full Report:
PDF
- 1,160KB - 77 pages
February 2011Toyota EDR Software Versions Used in NHTSA Unintended Acceleration Field Investigation Cases

National Highway Traffic Safety Administration

PDF
- 38KB - 10 pages
6 June 2011United States District Court, Northern District of New York
Lawrence Cross v. Toyota Motor Corporation, Toyota Motor Sales U.S.A., Inc., State Farm Insurance Company, and John Doe
Decision & Order

PDF
- 237KB - 6 pages
17 October 2011United States District Court, Northern District of New York
Lawrence Cross v. State Farm Insurance Company
Decision & Order

PDF
- 273KB - 14 pages


Article Index

DateArticleAuthor/Source
4 October 2009NHTSA Statement Concerning The Safety Recall of 3.8 million Toyota VehiclesNHTSANHTSA
25 November 2009Toyota Announces Fix for Accelerator Pedal Entrapment ProblemNHTSANHTSA
29 January 2010Defekte Gaspedale: Toyota startet RückrufaktionWikinews
30 January 2010Toyota recalls up to 1.8 million automobilesWikinews
10 February 2010How To Market Your Car Dealership After A Major RecallJimmy Vee/
Travis Miller
SubmitYOURArticle.com
14 February 2010USA: Toyota startet neuen RückrufWikinews
16 February 2010US-Behörde für Verkehrssicherheit: 34 Tote durch Toyota-FahrzeugmängelWikinews
20 February 2010Toyota Class Action: Why Toyota's Gas Pedal Recall is BogusWilliam TurleySubmitYOURArticle.com
23 February 2010Toyota accused of misleading public over recallsWikinews
3 March 2010Toyota's US sales fall by 8.7%Wikinews
30 March 2010U.S. Transportation Secretary Ray LaHood Announces Major Investigations to Resolve Issue of Sudden AccelerationU.S. Department of TransportationU.S. Department of Transportation
5 April 2010Secretary LaHood Announces DOT is Seeking Maximum Civil Penalty from ToyotaU.S. Department of TransportationU.S. Department of Transportation
6 April 2010Toyota fined $16 million by US government over recallsWikinews
13 April 2010Toyota in TroubleMolly WiderSubmitYOURArticle.com
19 April 2010Statement from U.S. Transportation Secretary Ray LaHood on Toyota's Agreement to Pay Maximum Civil PenaltyU.S. Department of TransportationU.S. Department of Transportation
19 April 2010Toyota to pay US government $16.4 million over recallsWikinews
23 April 2010Brazil's Minas state stops sales of Toyota CorollaWikinews
14 July 2010Crash data suggests driver error in Toyota accidentsWikinews
14 July 2010Report: Probes Suggest Drivers to Blame in Toyota Sudden Speeding CrashesVOA Breaking NewsVoice of America
20 July 2010Toyota Subpoenaed by US Grand JuryVOA Breaking NewsVoice of America
5 August 2010Minnesota Judge Frees Man Convicted in Deadly Toyota CrashVOA Breaking NewsVoice of America
26 August 2010Toyota Recalls 1.1 Million More CarsVOA Breaking NewsVoice of America
3 September 2010NHTSA Finds Driver Error at Fault in Many Toyota CrashesJames Parrish
21 October 2010Toyota Recalls 1.5 Million VehiclesVOA Breaking News
20 December 2010Toyota Motor Corp will Pay $32.425 Million in Civil Penalties as the Result of Two Department of Transportation InvestigationsU.S. Department of Transportation
21 December 2010Toyota Pays Another $32 Million to Settle US Probe Over Safety IssuesVOA Breaking News
23 December 2010Toyota to Pay $10 Million in Lexus LawsuitVOA Breaking News
8 February 2011FACT SHEET: Unintended Acceleration in Toyota VehiclesU.S. Department of Transportation
8 February 2011Investigators Find No Electronic Flaw in ToyotasVOA Breaking NewsVoice of America
8 February 2011U.S. DEPARTMENT OF TRANSPORTATION RELEASES RESULTS FROM NHTSA-NASA STUDY OF UNINTENDED ACCELERATION IN TOYOTA VEHICLESU.S. Department of Transportation
9 February 2011Toyota Shares Jump After US Safety ReportVOA Breaking NewsVoice of America
24 February 2011Toyota Recalls 2.1 Million Vehicles in USVOA Breaking News
26 December 2012Toyota Reaches $1.1 Billion Recall DealVOA Breaking News
25 August 2013Used Parts Bin: Unintended AccelerationBill Crittenden
19 March 2014Criminal Charge Against Toyota Motor Corporation and Deferred Prosecution Agreement with $1.2 Billion Financial PenaltyU.S. Department of Justice
19 March 2014Justice Department Announces Criminal Charge Against Toyota Motor Corporation and Deferred Prosecution Agreement with $1.2 Billion Financial PenaltyU.S. Department of Justice




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