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Time stamping of diagnostic trouble codes (DTS) for units in vehicle

IP.com Disclosure Number: IPCOM000012531D
Publication Date: 2003-May-13

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The IP.com Prior Art Database

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Patent/Patent Application:

Abstract

A vehicle comprises a network of different ECUs, where data is sent between the ECUs via at least one bus adapted for e.g. CAN (Controller Area Network), Flexray and TTCAN. All ECUs thereby do not need a time circuit of their own, but may receive the time from a clock unit responsible for sending a reference time to the other ECUs via the bus. Faults in the system is categorised into three different types.