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US Patent 9836300 Method for updating vehicle ECUs using differential update packages

Patent 9836300 was granted and assigned to Lear Corporation on December, 2017 by the United States Patent and Trademark Office.

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Patent abstract

A method for upgrading vehicle electronic control units (ECUs) in a vehicle comprises: creating a differential upgrade package (DUP) for each upgrade to a predetermined ECU, said creating comprises: comparing a new image of the digital contents of a predetermined ECU flash memory with a present image of the digital contents of the predetermined ECU flash memory; and producing a set of changes to modify the present image to the new image, said changes comprising a set of instructions. The DUP comprises a set of instructions that are utilized to update the ECU flash memory a block at a time.

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