iatf-16949-audit

# IATF 16949:2016 Internal Audit — Supplemental Requirements ## Goal Audit the automotive-specific supplemental requirements of IATF 16949:2016, including CSR compliance and the three mandatory internal audit streams. Use in conjunction with [iso-9001-internal-audit](../iso-9001-internal-audit/) for a complete IATF audit. --- ## When to use This skill covers the **IATF 16949 supplemental requirements** — the automotive additions to ISO 9001. IATF 16949 requires three types of internal audit (§9.2.2.1). All three must be planned, executed, and recorded within the audit programme cycle: 1. **QMS audit** — covers the entire quality management system (ISO 9001 + IATF supplementals) 2. **Manufacturing process audit** — process-based, covers all manufacturing processes at least annually 3. **Product audit** — product-specific, verifies product conformance to specifications All manufacturing processes must be audited at least annually, with increased frequency for high-risk or poor-performing areas. --- ## Required IATF Audit Checklist ☐ Verify all three audit streams are planned and executed within the programme cycle ☐ Confirm CSR register is current and that changes trigger QMS document updates ☐ Check contingency plans are documented, reviewed, and tested (not just written) ☐ Verify special characteristics are consistent across all documents (drawing, DFMEA, PFMEA, CP, WI) ☐ Confirm supplier monitoring and escalation are active with defined thresholds ☐ Check Control ...