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Toyota Defect Investigation DP05002: VEHICLE SPEED CONTROL
2003 Toyota Camry
VEHICLE SPEED CONTROL
Vehicle Speed Control
- Summary
- In a letter dated July 8, 2005, and after experiencing two incidents (and one crash) where he alleges his model year (MY) 2002 Camry accelerated without driver input, Mr. Jordan ziprin petitioned the National Highway Traffic Safety Administration?S (NHTSA) Office Of Defects Investigation (ODI) to commence a proceeding to determine the existence of a defect within the etc system in MY 2002 to 2005 Toyota and Lexus vehicles, or to reopen a prior investigation preliminary evaluation (PE) 04-021.in a letter dated August 18, 2005, Mr. Ziprin amended his petition to include allegations of interrelated brake and acceleration problems that allegedly result in inappropriate and uncontrollable vehicle accelerations.the 1172 vehicle owner questionnaire reports cited by the petitioner involve 4 Lexus and 15 Toyota models defining a population of 7 million vehicles.the reports typically alleged a defect in the brake system, the throttle control system, or a combination of both systems.in its review of the reports, ODI a) failed to find evidence to support the existence of a brake related defect in the cited models, and B) determined that many cited products were not equipped with etc.accordingly, ODI restricted its analysis to the 432 petitioner reports involving MY 2002 to 2005 Camry, Solara, and ES models (all equipped with etc) that alleged an abnormal throttle control event (see the January 3, 2006 federal register notice for further details).about 40% of the 432 reports involve a driveability concern where the operator intentionally applies the throttle pedal, in expectation that the vehicle will accelerate, and then experiences a delay or hesitation in vehicle response.these reports involve vehicle response to intentional driver commands which ODI considers unrelated to the allegations raised by the petitioner.therefore, the reports do not provide support for the investigation requested.about 20% of the reports involve incidents where operators allege vehicle acceleration without driver input and an inability of the brake system to control the vehicle when applied.neither the reports, nor the interviews conducted by ODI, identified any vehicle-based cause to explain the incidents or disclosed evidence to support that a failure of the brake or throttle control system had occurred.because these reports do not indicate a distinct safety defect for investigation, the reports do not provide support for the investigation requested by the petitionerthe remaining reports (~ 40%, similar to the petitioner?S and those of PE04-021) typically describe incidents where a vehicle is being maneuvered at slow speed in a close quarter situation at which point the operator alleges that the vehicle accelerates without driver input and crashes.in the aftermath, operators are unsure of whether the brakes were applied or not, sometimes stating there was insufficient time to use the brake; a crash occurred and the operator believes an uncommanded acceleration caused it.in spite of the effort expended during PE04-021 and during this analysis, ODI has not identified any vehicle-based cause to explain the reports, or uncovered any evidence to indicate that a throttle control system failure occurred.therefore, the reports have ambiguous significance and do not constitute a basis on which any further investigative action is warranted.based on the analysis conducted, it is unlikely that the NHTSA would issue an order for the notification and remedy of a safety related defect at the conclusion of the investigation requested in the petition.consequently, in view of the need to allocate and prioritize NHTSA?S limited resources T
- Documents (42)
- OCC 1/26/2006 LETTER TO TOYOTA GRANT CONFIDENTIAL TREATMENT TO TOYOTA 11/15/2005 LETTER TO OCC
- TOYOTA 11/15/2005 LETTER TO OCC REQUEST FOR CONFIDENTIAL TREATMENT
- OTHER * 01/05/06 * P
- TOYOTA 11/1/2005 LETTER TO ODI
- MEMO 11/15/2005 TO DIS, 1 CD TOYOTA ATTACHMENTS RESPONSE 2,9
- MEMO 11/1/2005 TO TIS, ONE CD, TOYOTA 11/1/2005 ATTACHMENT 1, 2, 3, 5, & 9
- PETITIONER'S LETTER TO ODI (DATE 9/20/05) WITH ONE ATTACHMENT CONTAINING VOQ ANALYSIS AND ONE ATTACHMENT CONTAINING NEWS ARTICLES * 9/20/2005 * P
- PETITIONER'S LETTER TO ODI (DATE 9/20/2005) WITH ONE ATTACHMENT CONTAINING VOQ ANALYSIS AND ONE ATTACHMENT CONTAINING NEWS ARTICLES * 9/20/2005* p
- IR TO MFR REGARDING DEFECT PETITION
- LETTER FROM PETITIONER DATED 9/8/2005, RECEIVED 9/19/2005, REGARDING 9/7/2005 TELEPHONE CONVERSATION. * 09/08/2005 * P
- LETTER FROM PETITIONER DATED 9/14/2005 AND RECEIVED BY ODI 9/16/2005 WITH ATTACHMENTS DETAILING PETITIONER'S ANALYSIS OF VOQ COMPLAINTS. * 09/14/2005 * p
- LETTER FROM PETITIONER RECEIVED BY FAX 10/11/2005 CONCERNING VEHICLE INSPECTION PERFORMED IN PHOENIX, ARIZONA ON *10/10/2005 * p
- DOCUMENTS PROVIDED BY PETITIONER DURING OCTOBER 5, 2005 VEHICLE INSPECTION IN PHOENIX, ARIZONA CONTAINS CORRESPONDENCE WITH TOYOTA AND RESULTS OF PETITIONERS VOQ ANALYSIS * 10/5/05 * p
- MFR RESPONSE EXTENSION * 11/03/05 * p
- MEMO TO FILE * 10/19/05 * p
- OTHER * 11/01/05 * p
- DP/RP ACKNOWLEDGE * 8/09/05 * P
- OPENING RESUME APPROVED * 8/05/05 * P
- CLOSING RESUME APPROVED * 1/5/2006 * P
- MEMO TO FILE * 12/15/05 *P
- OTHER * 12/07/05 * P
- OTHER * 11/17/05 * P
- OTHER * 11/22/05 * P
- OTHER * 11/22/05 * P
- LETTER FROM PETITIONER DATED NOVEMBER 4, 2005 WITH VOQ RESEARCH ATTACHED, RECEIVED 11/9/2005 * 11/9/2005 * p
- LETTER FROM PETITIONER DATED OCTOBER 27, 2005 AND RECEIVED NOVEMBER 3, 2005 WITH VOQ ANALYSIS ATTACHED * 10/27/2005 * p
- MR. SMITH 2/23/2006 LETTER TO NHTSA
- DP/RP DENIAL * 01/06/06 * p
- Petition Letter to Administrator (dated 7/8/05) and follow up letter (dated 7/26/05).
- Letter from Petitioner (dated 8/18/05) requesting amendment received by ODI 8/29/05.
- Fax from Petitioner containing letter from TMC concerning vehicle inspection from 7/1/05 incident.
- Fax from Petitioner (dated 8/22/05) containing letter to ODI and Petitioner's VOQ analysis.
- Petitioner's VOQ response containing written notes from Petitioner.
- Petitioner's letter to ODI (dated 8/29/05) with 3 attachments containing details of the Petitioner's VOQ analysis.
- TOYOTA 11/15/2005 LETTER TO ODI
- MEMO TO FILE * 12/15/05 * P
- OTHER * 11/23/05 * P
- OTHER * 12/31/05 * p
- FEDERAL REGISTER NOTICE * 12/23/05 * P
- Fax from Petitioner containing response letter to TMC (dated 8/30/05) and Petitioner's VOQ Analysis.
- Petitioner's letter to ODI (08/25/05)with two attachments containing Petitioner's analysis.
- LETTER TO PETITIONER ACKNOWLEDGING RECEIPT OF PETITION, IN WHICH THE PETITIONER REQUEST THAT HE AMEND THE PETITION. * 09/19/2005 * p
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