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

Paper #:
  • 2017-01-1687

Published:
  • 2017-03-28
DOI:
  • 10.4271/2017-01-1687
Citation:
Mikulec, N., Felke, T., and Bangale, S., "Analysis of Warranty Data to Identify Improvements to Vehicle Reliability and Service Information," SAE Int. J. Passeng. Cars – Electron. Electr. Syst. 10(2):2017, doi:10.4271/2017-01-1687.
Pages:
9
Abstract:
It is common for an automotive OEM 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 illustrates 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-occurrences with other DTCs for a family of Vehicle applications. These results are then used to identify common root cause failure modes and DTCs on specific vehicle applications that perform worse than fleet averages, and components with much lower reliability than components in similar applications.The paper concludes with an assessment of how warranty information can be used to identify precursors to future failures, identify material requirements by region and to identify product improvements in either hardware, software or service procedures:
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