On May 18, 2015, Takata Corporation (Takata) determined that some model PSPI-L passenger frontal air bag inflators assembled as part of the passenger frontal air bag module for certain model year 2004-2007 Honda Accord vehicles and certain model year 2003-2007 Toyota Corolla, Matrix and Pontiac Vibe vehicles, used as original or replacement equipment during service, may rupture from exposure to persistent conditions of high absolute humidity and/or due to manufacturing variability. On December 15, 2015, Takata filed an expansion to include additional PSPI-L inflators installed in certain model year 2005-2008 Subaru Legacy and Outback vehicles.