APPARATUS AND METHOD FOR CONTROLLING DRIVING OF STACK COOLING PUMP OF FUEL CELL SYSTEM

An apparatus for controlling driving of a stack cooling pump of a fuel cell system is provided. The apparatus includes a cooling unit having a fuel cell stack installed in a fuel cell vehicle and a cooling pump configured to move a coolant. A reservoir allows the coolant moving toward the cooling pump to be injected thereinto. A controller is configured to sequentially operate the cooling pump in a predetermined pre-run mode and a predetermined air bubble removal mode when the coolant is injected into the reservoir.