Vehicle communication and cable tester system

An vehicle communication device, the vehicle communication device being separate from the vehicle, the device comprising:

• a processor in communication with a first port, a second port and a third port;
• the first port being configured to communicate via a removable diagnostic cable with an electronic control unit of a vehicle and a third port of the device, the removable diagnostic cable having a first end configured to removably connect to a vehicle port, the vehicle port being in communication with the electronic control unit of the vehicle, the cable having a second end configured to connect to the first port;
• the second port configured to communicate with an auxiliary device;
• the third port configured to manually and removably connect to the first end of the removable diagnostic cable;
• wherein the processor is configured to selectively test the communication capability of the removable diagnostic cable when the first end of the removable diagnostic cable is manually connected to the third port and the second end of the diagnostic cable is connected to the first port;
• and
• wherein the processor is configured to communicate via the removable diagnostic cable with the electronic control unit of the vehicle when the first end of the diagnostic cable is manually connected to the vehicle port.