ELECTRICALLY POWERED VEHICLE, METHOD OF CONTROLLING ELECTRICALLY POWERED VEHICLE, AND CONTROLLER THAT CONTROLS ELECTRICALLY POWERED VEHICLE

An update ECU performs processing including obtaining an OTA-target ECU (S102) when an OTA request has been issued (YES in S 100), requesting a target ECU to perform update processing (S108) when the target ECU falls under an ECU that operates during traveling (YES in S104) and when an electrically powered vehicle is being externally charged (YES in S 106), and requesting a target ECU to perform update processing (S114) when the target ECU falls under an ECU that operates during external charging (NO in S104 and YES in S110) and when the electrically powered vehicle is traveling (YES in S112).