A control system for a vehicle having at least one data communications bus; at least one firewall in communication with the at least one data communications bus, wherein the at least one firewall creates at least two data communications buses from the at least one data communications bus; at least one vehicle device in communication with at least one of the at least two data communications buses; wherein the at least one vehicle device is in communication with at least one firewall; and at least one firewalled controller in communication with at least one firewall.