NHTSA Defect Investigations for the 2000 Toyota Tundra

The Office of Defects Investigations (ODI) is an office within the NHTSA which investigates serious safety problems in the design, construction or performance of vehicles. The NHTSA is authorized to order manufacturers to recall and repair vehicles, if the ODI finds a safety issue. NHTSA investigations for the 2000 Toyota Tundra, both ongoing and closed, are listed below:

  1. FRAME CORROSION NHTSA Preliminary Evaluation #PE09049

    Component(s): Fuel System, Gasoline
    Fuel System, Gasoline:Storage:Tank Assembly
    Fuel System, Gasoline:Storage:Tank Assembly:Mounting
    Service Brakes, Hydraulic
    Service Brakes, Hydraulic:Foundation Components:Differential Proportional Valve
    Service Brakes, Hydraulic:Foundation Components:Hoses, Lines/Piping, And Fittings
    Structure:Frame And Members
    Tires:Temporary/Emergency Spare Tire

    Summary: This investigation was opened based on 20 reports of model year (MY) 2000 and 2001 vehicles experiencing severe corrosion of the frame, resulting in either under-body mounted spare tire separation or rear brake failure.the failure report counts shown above are for MY 2000 and 2001 vehicles only.by letter of November 16, 2009 Toyota has notified the Agency that it will conduct a safety recall (09V-444) of approximately 110,000 model year (MY) 2000 through 2003 Tundra vehicles.the affected recalled vehicles were sold or are currently registered in the District of Columbia and the states of ct, de, il, in, ky, MA, md, me, mi, mn, nh, NJ, NY, oh, pa, ri, va, vt, wi, wv.Toyota alleges high amounts of "road salts" are used in these areas and excessive corrosion of the rear cross-member (to which the spare tire is mounted) can occur and cause the spare tire to separate from the vehicle and can also lead to rear brake failure.Toyota stated: "Toyota has tentatively concluded that the root cause is a combination of factors, including usage in areas where road salt is applied, inadequate vehicle maintenance (I.e., not following the recommendations in the owner's manual), the design of the rear cross-member, and manufacturing issues."the design of the rear cross-member is such that it is open on the top side and susceptible to accumulation of dirt, water and road salt.manufacturing issues of the rear cross-member related to the coating process also affect its corrosion resistance.Toyota also states that owners of MY 2000 through 2003 vehicles in states not covered by the recall will be notified on how to obtain the same inspection and repair as the recalled vehicles, free of charge.further Toyota states: "please note that while Toyota has not determined a defect exists in 2004 through 2006 my Tundra vehicles, Toyota plans on initiating a field action in the near future to prevent future corrosion on those vehicles originally sold or currently registered in the affected region at no cost to the owner."by letter of January 8, 2010 Toyota has notified the Agency that it amended its defect information report for safety recall 09V-444 to include the "fuel tank mounting system" (I.e., fuel tank support straps and fuel tank mounting cross-members) in the safety recall.Toyota states: "Toyota has not decided that the fuel tank mounting system in those vehicles contains a safety-related defect within the meaning of federal motor vehicle safety law.rather, Toyota is taking this action at ODI's request and to avoid future disagreement with ODI with respect to this issue."MY 2007 and newer Tundra vehicles are not included in any of Toyota's actions as the rear cross-member in those vehicles have been redesigned so that it is open on the bottom.the actions taken by Toyota are sufficient to resolve the issues raised by this investigation.accordingly, this investigation is closed.the closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist in the subject vehicles.the Agency will take further action if warranted by the circumstances.

    NHTSA: For detailed information & supporting documents, see the official NHTSA page concerning investigation #PE09049 »

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