Some 2013-2017 C-MAX Energi, 2013-2018 Focus battery electric vehicle (BEV), 2013-2020 Fusion plug-in hybrid electric vehicle (PHEV), 2015-2017 MKZ/MKZ Hybrid/MKC, 2016-2017 MKX and 2017 Continental vehicles equipped with 8 inch or larger center display screen may be unable to complete modem authorization after 3G to 4G modem upgrade was performed. No Authorization Pop-up will be displayed on the center display screen during the Authorization process. The vehicle may also not have proper functionality of remote app features such as remote start, return odometer, fuel information, or vehicle location incorrect in the app. This may be due to the SYNC software. To correct the condition, follow the Service Procedure to toggle Valet Mode.
