Patent ID: 7973650

Claim:
A vehicle tire monitoring system to be mounted on a vehicle for monitoring a parameter of at least one tire on the vehicle, the monitoring system comprising: a plurality of wheel units each respectively associated with a tire of the vehicle to measure a tire parameters thereof including tire pressure, distance traveled and speed of the vehicle; a transmission module coupled to the wheel units to transmit the tire parameters; a processor to receive the tire parameters as tire input data from the plurality of wheel units via the transmission module and to transmit a warning to a driver of the vehicle based upon the measured tire pressure, distance traveled and speed of the vehicle; and a recording unit to record the tire input data from the processor before, during and after the warning is transmitted to the driver, and including a memory configured to store the tire input data even during loss of electrical power to the system, the recorded input data being accessible for diagnosis by an external apparatus used to access the tire pressure, distance traveled and the speed of the vehicle recorded before, during and after the warning was transmitted to the driver.