Patent ID: 11907697
Assignee: DENSO CORPORATION
Field: Transport (Mechanical engineering)
Classification: CPC G  B | IPC B  G

Claim 6:
7. A vehicle master device that controls rewriting of a program in an electronic control unit, comprising at least one processor configured to implement:
an information reception unit that receives update data and display control information from the center device;
a rewrite instruction unit that instructs a rewrite target electronic control unit to write the update data received by the information reception unit; and
a display instruction unit that, before the rewrite instruction unit instructs the rewrite target electronic control unit to write the update data, instructs a display terminal to display information related to a campaign by using the display control information received by the information reception unit;
wherein the display control information includes a display control program controlling a display of an in-vehicle display; and
wherein the in-vehicle display displays display information related to rewriting of a program when the display control program is executed.