A rail vehicle consist may include a master unit and at least one trailing unit coupled to the master unit. The master unit may include a first processor in communication with a second processor of the at least one trailing unit. A power source may be disposed on the at least one trailing unit and may include a sensor associated with the second processor. A display may be disposed on the master unit and may be associated with the first processor to display characteristics monitored by the sensor wherein the display presents a message image, a warning image, and an isolate image.