US 12,074,766 B2
Communication control system and communication control method
Yasuhiro Yamasaki, Nisshin (JP); Kunihiro Miyauchi, Toyota (JP); Hideki Goto, Okazaki (JP); and Ikuyoshi Otake, Toyota (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Mar. 6, 2023, as Appl. No. 18/178,651.
Claims priority of application No. 2022-037512 (JP), filed on Mar. 10, 2022.
Prior Publication US 2023/0291650 A1, Sep. 14, 2023
Int. Cl. H04L 41/0859 (2022.01); H04L 41/0866 (2022.01)
CPC H04L 41/0863 (2013.01) [H04L 41/0866 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A communication control system, comprising:
a control unit installed in a vehicle, wherein the control unit includes:
a memory; and
a processor coupled to the memory, the processor, by virtue of executing instructions stored on the memory, being configured to:
update software of an electronic control unit (ECU) connected to a network of the vehicle to be updated;
cause a relay device on the network to change a network setting of the network according to the update of the software, wherein the update is caused according to an instruction from an external device located outside the vehicle:
after causing the relay device to change the network setting, determine whether or not communication of the ECU with the software that has been updated within the network in which the network setting has been changed matches a specific communication condition; and
notify an error to the external device based on a determination having been made that the communication of the ECU with the software that has been updated does not match the specific communication condition.