Some 2018 Expedition/Navigator vehicles built on or before 24-Feb-2018, 2017-2018 F-Super Duty built on or before 26-Feb-2018 and Transit vehicles built on or before 26-Feb-2018 and 2015-2018 F-150 vehicles built on or before 3-Mar-2018 may exhibit a trailer connected and/or disconnected message in the IPC without a trailer connected. Follow the Service Procedure steps to correct the condition.
