TECHNICAL SERVICE BULLETIN:SERVICE ACTION: TAILGATE GAS LIFT INSPECTION AND/OR REPLACEMENT (SA398) - This bulletin has been revised to include additional information.This bulletin provides the procedure to inspect the tailgate gas lift dust covers and if necessary, replace the tailgate gas lift(s) on certain non-power tail gate equipped 2019-2020MY Sedona (YP) vehicles produced between March 04, 2019 through June 25, 2019.