US Patent 8036788 Vehicle diagnostic or prognostic message transmission systems and methods

System and method for monitoring the condition of a vehicle includes a communications unit arranged to interface with a wireless communications network, at least one sensor for monitoring at least one component or subsystem of the vehicle and which is coupled to the communications unit, and a remote site connected to the wireless communications network and arranged to receive diagnostic or prognostic messages from the vehicle with the transmission initiated therefrom. A diagnostic module may be provided, included or coupled to the sensor(s) and directs the communications unit to transmit a message to the remote site upon determining an actual and/or potential failure of a component or subsystem.