Diana Arely Yañez Garza

• Manage warranty claims for OEM and Tier-1 customers, providing technical analysis and timely responses through customer portals (Ford, GM, and Stellantis).

• Perform field failure analysis, root cause investigations, and corrective action implementation in collaboration with cross-functional teams.

• Monitor warranty costs and chargebacks, supporting cost-reduction initiatives through claim validation and dispute management.

• Lead structured problem-solving activities using 8D, 4Q, 5 Why, PDCA, and QRQC methodologies.

• Coordinate supplier issue resolution, ensuring timely investigation, containment, and corrective actions.

• Support preventive actions across production and product development to reduce warranty risks and prevent recurrence.

• Maintain warranty databases, inventory traceability, and final disposition of retained parts in compliance with customer requirements.

• Support quality audits and technical evaluations to identify risks and prevent non-conformances.

• Manage logistics and shipment coordination through Cargo Base, including label generation and customer return requirements.

• Managed warranty activities for global OEMs including Mercedes-Benz, Stellantis, Nissan, Volkswagen, Tesla, Ford, General Motors, and Hyundai Kia.

• Completed 995 Level 1 and Level 2 warranty investigations, performing technical analysis, failure validation, and root cause determination on field-returned parts.

• Led 7 VIM investigations from initiation to closure and contributed to 14 additional cross-functional problem solving incidents.

• Coordinated customer and supplier issue resolution activities, driving containment actions, corrective measures, and effective problem closure.

• Managed WINGS 1 & 2, including part data uploads, 3MIS monitoring, and Red Flag analysis.

• Monitored warranty KPIs through Redbox, supporting performance targets and budget control.

• Achieved warranty cost avoidance exceeding USD $180K through technical claim reviews and chargeback dispute management.

• Managed OEM warranty portals, successfully closing 466 Stellantis and 89 Mercedes-Benz warranty cases while ensuring compliance with customer requirements.

• Supported technical factor negotiations with Tesla and Volkswagen, achieving warranty repair cost reductions of 83% and 85%, respectively.