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

Claim 8:
9. The vehicle master device according to claim 8, wherein
the at least one processor is further configured to instruct, upon determining that the configuration information is to be rewritten, the rewrite target ECU to:
temporarily store the configuration information before overwriting the configuration information with new confiscation information that is the update data downloaded from the center device; and
return back the configuration information temporarily stored when rollback is required after instructing the rewrite target ECU to overwrite with the new configuration, and

the at least one processor is further configured to instruct, upon determining that the program is to be rewritten, the rewrite target ECU to:
perform a rollback in a rollback method in accordance with a memory type of the rewrite target ECU when the rollback is required, wherein

the rollback method in accordance with the memory type of the rewrite target ECU includes a method for rewriting the program with rollback data downloaded from the center device.