Supplier Quality Audit Checklist — 8D & IATF 16949

Supplier Quality Audit Checklist This checklist is for auditing a supplier's quality management system, with a specific focus on 8D capability and corrective action. It is written for SQEs and audit teams working in an IATF 16949 environment, and it works equally well for supplier onboarding, annual audits and problem-driven audits after a repeat defect. Score each line pass / partial / fail, and record the evidence you used. A checklist without evidence is just an opinion. 8D Process Capability [ ] Supplier has a documented 8D procedure with defined triggers and required response times [ ] D4 root cause analysis reaches the management root cause (MRC), not just "operator error" [ ] D5-D6 corrective actions are verified with measured data, not only plans [ ] D7 includes an FMEA update and evidence of horizontal deployment to similar parts and lines [ ] A sample of past 8D reports shows genuine problem-solving quality What good looks like: you can pull any closed 8D from the last 12 months and see a 5-Why that reaches a system cause, a numeric D5 verification result, and an updated PFMEA. SCAR Response Quality [ ] Average SCAR response time is within the agreed SLA...