A mobile vehicle communication system and a method carried out by the system to determine at a remotely-located vehicle a performance criteria of a communication network connection in the vehicle. Steps of the method include: monitoring the vehicle's communication network connection for at least one of a plurality of parameters, wherein the plurality of parameters are associated with the performance criteria of the network connection; correlating a performance status test indicative of the performance criteria of the network connection with at least one of the plurality of parameters; and determining the performance criteria of the network connection based on the correlation.