Gm Global Technolgoy Operations, Inc.

K P Unnikrishnan

Srivatsan Laxman

Basel Q Shadid

P S Sastry

A method, system, and computer program product for fault data correlation in a diagnostic system are provided. The method includes receiving the fault data including a plurality of faults collected over a period of time, and identifying a plurality of episodes within the fault data, where each episode includes a sequence of the faults. The method further includes calculating a frequency of the episodes within the fault data, calculating a correlation confidence of the faults relative to the episodes as a function of the frequency of the episodes, and outputting a report of the faults with the correlation confidence.

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Birmingham, MI, United States of America

K P Unnikrishnan