The handbook includes only a few incomplete examples. Most teams require external (expensive) training to understand nuances like:
| Feature | AIAG 4th Edition (Old) | AIAG & VDA (Current) | | :--- | :--- | :--- | | | Column-based (linear) | 7-Step Approach | | Scoring | RPN (Risk Priority Number) | AP (Action Priority) | | Structure | Focus on single components | Focus on Structure Analysis (Hierarchy) | | Actions | Recommended Actions | Optimization (Actions & Effectiveness) | | Software | No specific guidance | Embedded software FMEA included | aiag vda fmea handbook
The handbook is nearly impossible to implement effectively with spreadsheets. It requires dedicated FMEA software (e.g., APIS IQ, Relyence, Siemens Polarion) to manage the database-style relationships between functions, failures, and causes. This imposes a significant cost barrier for small suppliers. The handbook includes only a few incomplete examples