Analysis of Warranty Data to Identify Improvements to Vehicle Reliability and Service Information

Paper #:
  • 2017-01-1687

Published:
  • 2017-03-28
Abstract:
For an automotive OEM, it is usual to produce a wide variety of automotive models related to a common platform. As such, it is important to analyze how these variants perform with relation to reliability and warranty claims relative to each other. This paper will illustrate techniques that have been applied to use warranty claim information to assess the relative reliability and incident rates for DTC occurrences, component removals and co-occurrence with other DTCs for a family of Vehicle applications. These results are then used to identify common root cause failure modes, DTCs on specific vehicle applications that are performing much worse than fleet averages and components with much lower reliability than components in similar applications. The paper will conclude with an assessment of how warranty information can be used to identify precursors to future failures, construct prognostic models, identify material requirements by region and to identify product improvements in either hardware, software or service procedures.
Also in:
  • SAE International Journal of Passenger Cars - Electronic and Electrical Systems - V126-7EJ
  • SAE International Journal of Passenger Cars - Electronic and Electrical Systems - V126-7
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