Some 2015-2019 F-150/Explorer, 2017-2019 F-Super Duty/Continental, 2018-2019 Expedition/Navigator, 2016-2018 MKX, 2019 Nautilus, and 2013-2019 MKZ vehicles equipped with Multi-Contour seats may exhibit intermittent multi-contour seat operation and/or massage and lumbar adjust inoperative from the seat switch or SYNC screen with or without diagnostic trouble code (DTC) B1471, U024B, and/or U024C. This may be due to terminal fretting at the connector for the driver multi-contour seat module (SCMG) and passenger multi-contour seat module (SCMH). To correct the condition, follow the Service Procedure steps to replace the connectors and reroute the harness.