Vehicle-mountable control system and vehicle

A vehicle-mountable control system comprising:

• a traveling controller configured to execute traveling control of a vehicle;
• and
• a charging control device configured to be supplied with electric power in accordance with a plurality of types of power feeding methods and execute charging control of a vehicle-mounted battery,
• the charging control device including:
• a plurality of chargers corresponding to the respective power feeding methods;
• a charging communication device configured to communicate with a charging facility external to the vehicle;
• and
• an integrated controller configured to communicate with each of the plurality of chargers and the charging communication device,
• the charging facility being configured to supply electric power to the vehicle-mounted battery through a charger corresponding to a power feeding method of the charging facility,
• the plurality of chargers, the charging communication device and the integrated controller being connected to one another through a first communication line used only for the charging control,
• of the plurality of chargers, the charging communication device and the integrated controller, only the integrated controller being connected to a second communication line to which the traveling controller is connected.