Patent ID: 11960875
Assignee: DENSO CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G  B | IPC G

Claim 5:
6. The vehicle master device according to claim 5, wherein
the rewrite specification data indicates a type of a non-volatile memory in each of the rewrite target ECUs, groups into which the rewrite target ECUs are grouped, and an order for installation of the update data for the rewrite target ECUs in each of the groups,
the rewrite specification data is defined, under a first situation, to indicate that rewriting of a first rewrite target ECU belonging to a first group of the groups is rewriting of the program and rewriting of a second rewrite target ECU belonging to the first group is rewriting of the configuration information,
the rewrite specification data is defined, under a second situation, to indicate that rewriting of the first rewrite target ECU belonging to the first group is rewriting of the program and rewriting of a third rewrite target ECU belonging to the second group is rewriting of the configuration information, and
the at least one processor is configured to control rewriting of the rewrite target ECUs based on the rewrite specification data.