Control unit having a deactivatable interface

摘要

A control unit having a microprocessor and at least one electronic memory for storing a program-controlled sequence control for a motor vehicle and a first electronic interface for transmitting the program code of the sequence control from an external data transmission device into the memory and also having a second electronic interface are provided. To prevent manipulation of the contents of the memory, the first electronic interface is irreversibly deactivated after its initial use.