The methodologies of WhatIf, Checklist, Hazard and Operability Study (HAZOP), FailureModeandEffectsAnalysis (FMEA) or Fault Tree Analysis (FTA) are recommended.
Just a few reminders to start with: in the automotive supply chain, process failuremodeandeffectsanalysis (FMEA) must be based on-or at least must take into consideration-design FMEA.