Toyota Sequoia 2001–2004 — technical service bulletin
Bulletin C0D LSC Follow U · NHTSA communication 10133691 · issued Jun 25, 2013
Technical service bulletin
communication type
Structure
component
2001–2004
model years
4
vehicle entries
Official summary
Toyota has received reports that certain 2001 through 2004 model year Sequoia vehicles operated in specific cold climate areas with high road salt usage may exhibit more than normal corrosion to the vehicle's frame.
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.