Automotive Supplier: IATF 16949 Turnaround & Warranty Reduction
Tier 1 supplier facing decertification restored to A-rated status with 68% warranty reduction in 12 months.
The Challenge
A Tier 1 automotive supplier was facing potential IATF 16949 decertification after major non-conformances. Customer complaints at an all-time high, with $12M in business at risk.
Received 4 major non-conformances during surveillance audit — decertification imminent
Customer quality rating dropped to D level across 3 OEM scorecards
Warranty claims averaging $1.2M per quarter and trending upward
Core tools (APQP, PPAP, FMEA, SPC, MSA) poorly implemented or absent
Previous quality manager resigned; 6-month leadership vacuum in quality department
Our Approach
Embedded as interim VP Quality to lead complete management system overhaul and rebuild supplier quality program from the ground up.
Phase 1: Crisis Stabilization (Weeks 1-4)
Immediate containment actions on all open customer complaints. Established daily quality review cadence. Addressed the 4 major non-conformances with detailed corrective action plans submitted to registrar within 30 days.
Phase 2: Core Tools Rebuild (Months 2-4)
Rebuilt APQP, PPAP, FMEA, SPC, and MSA programs from scratch. Trained cross-functional teams on automotive core tool methodology. Implemented statistical process control on all critical-to-quality characteristics.
Phase 3: Supplier Quality Overhaul (Months 4-8)
Audited top 25 suppliers representing 80% of purchased material risk. Implemented supplier development program with monthly scorecards. Eliminated 12 chronic supplier quality issues.
Phase 4: Sustainability & Handoff (Months 9-12)
Hired and mentored permanent quality director. Built internal audit team of 8 certified auditors. Established management review rhythm and continuous improvement culture.
Results & Impact
Cleared all major non-conformances within 90 days. Transformed from D-rated to A-rated supplier within 12 months.
All 4 major non-conformances closed with verified corrective actions accepted by registrar
Quarterly warranty costs dropped from $1.2M to $384K through defect prevention and SPC
Improved from worst-rated to preferred supplier status across all 3 OEM scorecards
Retained all existing contracts and won 2 new program awards based on improved quality performance
Additional Outcomes
“We were 90 days from losing our certification and our largest customers. The turnaround was nothing short of remarkable — our quality culture completely transformed.”
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