Quality Column Updates
Published: February 5, 2026
AIAG-VDA SPC Yellow Volume Draft Review: Four Key Points for Manufacturers
The AIAG-VDA SPC Yellow Volume draft opened important discussion for manufacturers preparing their SPC systems and procedures. MiDFUN summarized four themes that quality teams should evaluate before formal adoption requirements are finalized.
Context
Prevention before detection
SPC should help teams understand process variation before defects happen. That requires clearer links between data signals, quality risk, and shop-floor action.
Risk-driven implementation
The draft discussion reinforces the need to connect SPC to FMEA, special characteristics, and Control Plan items, so resources focus on characteristics that matter most to safety, regulation, function, and customer requirements.
Digital closed-loop execution
For manufacturers, the practical challenge is not only updating documents. SPC, OCAP, AIQ analysis, and cross-system data integration must work together so abnormality handling can be traced and improved.
