TSB - SERVICE ACTION: TRANSMISSION FLUID COOLER HOSE INSPECTION (SA368) - This bulletin provides the procedure to inspect the transmission fluid cooler hoses on certain 2019MY K900 (RJ) vehicles, produced from August 8, 2018 through November 1, 2018, which may experience a loose connection at the transmission cooler line quick disconnects. Follow the procedure in this bulletin to inspect the hoses. Before conducting the procedure, verify that the vehicle is included in the list of affected VINs.