Charging System - Overview: Overview
WARNING: This page is about a different car, the 2015 Ford C-Max. However, it is still accessible from the selected car via links, so may be relevant.
The 12V battery is charged by the Direct Current/Direct Current (DC/DC) converter control module. For more information, Refer to: Direct Current/Direct Current (DC/DC) Converter Control Module - System Operation and Component Description .