Perhaps the most controversial change is the elimination of the RPN. Decades of abuse saw suppliers game the system: using 10-point scales but only scoring from 5-7 to stay under a threshold, or multiplying S x O x D to get illogical results (e.g., S=9, O=2, D=2 = 36 vs. S=5, O=5, D=5 = 125, yet the first is clearly more dangerous).
: The traditional Risk Priority Number (RPN = S x O x D) has been replaced by the Action Priority (AP) table . This table provides more nuanced guidance by prioritizing risk levels (High, Medium, Low) based on specific combinations of Severity, Occurrence, and Detection. aiag vda fmea handbook 2019 pdf
A new type of FMEA was introduced in 2019: . This analysis applies to electronic systems with diagnostics. Perhaps the most controversial change is the elimination
Released in June 2019, this handbook provides a consistent technical language for automotive suppliers globally, streamlining risk analysis for both US and European Original Equipment Manufacturers (OEMs). Key Shifts in the 2019 Handbook : The traditional Risk Priority Number (RPN =