Patent ID: 7245044

Claim:
A vehicle electrical system, comprising: at least one power supply module; and at least two control modules; wherein the at least one power supply module is connected to each of the at least two control modules for the purpose of supplying electrical energy; wherein the at least two control modules are interconnected for the purpose of data exchange; wherein the at least one power supply module is configured as a smart device and is connected to at least one of the at least two control modules for the purpose of data exchange; and wherein the at least one power supply module is configured to accomplish at least one of: in the event of an internal malfunction of a select control module, the power supply module will place the select control module into a cut-off state by disconnecting the select control module from the electrical energy provided by the power supply; and in the event of an interrupted or faulty data exchange with a select control module, the power supply will transform the select control module to a stand-alone operating mode.