Control device for a chassis component for a vehicle, wherein the control device has the following features: a first supply voltage terminal for supplying the control device with a first supply voltage, wherein the first supply voltage terminal is assigned to a first potential side of the control device; a second supply voltage terminal for supplying the control device with a second supply voltage, wherein the second supply voltage terminal is assigned to a second potential side of the control device; an actuator terminal for providing an AC signal for operating an actuator of the chassis component, wherein the actuator terminal is assigned to the first potential side of the control device; an output stage means, which is connected between the first supply voltage terminal and the actuator terminal and is designed to provide the AC signal by using the first supply voltage, wherein the output stage means is assigned to the first potential side of the control device; a voltage supply means, which is designed to provide an operating voltage optionally by using the first supply voltage or the second supply voltage, wherein the voltage supply means is assigned to the first potential side of the control device; a galvanic isolation means, which is connected between the second supply voltage terminal and the voltage supply means and is designed to isolate the first potential side galvanically from the second potential side; and a controller, which is designed to provide a control signal for controlling the output stage means by using the operating voltage, wherein the controller is assigned to the first potential side; characterized by a communication terminal for connecting the control device to a communication line of the vehicle, wherein the communication terminal is assigned to the second potential side, and wherein the galvanic isolation means is designed to isolate the communication terminal galvanically from an internal communication line of the control device which is assigned to the first potential side. a first supply voltage terminal for supplying the control device with a first supply voltage, wherein the first supply voltage terminal is assigned to a first potential side of the control device; a second supply voltage terminal for supplying the control device with a second supply voltage, wherein the second supply voltage terminal is assigned to a second potential side of the control device; an actuator terminal for providing an AC signal for operating an actuator of the chassis component, wherein the actuator terminal is assigned to the first potential side of the control device; an output stage means, which is connected between the first supply voltage terminal and the actuator terminal and is designed to provide the AC signal by using the first supply voltage, wherein the output stage means is assigned to the first potential side of the control device; a voltage supply means, which is designed to provide an operating voltage optionally by using the first supply voltage or the second supply voltage, wherein the voltage supply means is assigned to the first potential side of the control device; a galvanic isolation means, which is connected between the second supply voltage terminal and the voltage supply means and is designed to isolate the first potential side galvanically from the second potential side; and a controller, which is designed to provide a control signal for controlling the output stage means by using the operating voltage, wherein the controller is assigned to the first potential side; characterized by a communication terminal for connecting the control device to a communication line of the vehicle, wherein the communication terminal is assigned to the second potential side, and wherein the galvanic isolation means is designed to isolate the communication terminal galvanically from an internal communication line of the control device which is assigned to the first potential side.