Preliminary Evaluation · Closed
FRAME CORROSION
Manufacturer: Toyota Motor Corporation
This investigation led to a recall
NHTSA links this probe to recall campaign 09V444000.
Read the recall: what is defective and the free fix →What NHTSA is examining
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…
Vehicles under investigation
Source: NHTSA Office of Defects Investigation records, updated daily. An investigation is not a determination that a defect exists; many probes close without a recall.