A control system is disclosed, including a first control device, a second control device and a driver component for driving signals on a data bus. The first control device includes a data output which is connected to a data input of the driver component, and a monitoring device for deactivating the data output in the event of a fault. A deactivation signal of the second control device for the driver component is fed to a data input of the first control device, and the first control device is configured to deactivate the data output in the event of an error signal at the data input.