Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Sung Il You0
Date of Patent
February 18, 2014
0Patent Application Number
133137590
Date Filed
December 7, 2011
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A vehicle update system for updating a vehicle's ROM data is provided. More specifically, a telematics unit is configured to receive new ROM data transmitted from a telematics server. An electronic control unit (ECU) is configured first check to determine whether certain update conditions are satisfied and when they are satisfied, update the old ROM data to the new ROM data using at least one of a main battery and an auxiliary battery. More specifically, the update conditions are that the charged state and the voltage level for at least one of the main battery and the auxiliary battery is greater than a certain level, the vehicle is stopped or parked, and the controller area network (CAN) communication state of the vehicle is normal.
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