CQI-19 Sub-Tier Supplier Management Process Guideline

This guideline supports a common, practical approach to evaluating, selecting, developing, monitoring, and escalating sub-tier suppliers across the automotive supply chain.

Common supplier management process: Aligns the industry around a structured approach from pre-selection through performance monitoring and escalation.
Risk-based supplier evaluation: Emphasizes supplier capability, capacity, quality culture, sustainability, traceability, and pass-through characteristics. APQP / PPAP and control planning: Reinforces expectations for planning, special characteristics, PTC management, special process assessments, and production readiness. Ongoing development and escalation: Defines how suppliers should monitor, improve, and escalate performance when they identify systemic issues.

Published AIAG standards and CQI standards