German automotive suppliers into US OEM Tier 1.
The corridor view. PPAP, APQP, IATF 16949, and the customer-specific requirements that govern Detroit Three OEM access.
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The International Automotive Task Force standard for quality management systems specific to the automotive sector, replacing ISO/TS 16949 and built on ISO 9001:2015.
IATF 16949:2016 is the International Automotive Task Force standard titled Quality management systems, particular requirements for the application of ISO 9001:2015 for automotive production and relevant service parts organizations. It replaced ISO/TS 16949:2009, with the transition completed in 2018. The standard is built on top of ISO 9001:2015 and adds supplemental clauses covering design, manufacturing, installation, and servicing of automotive products. It applies to organisations along the automotive supply chain that manufacture parts for vehicle assembly or service the vehicle market.
Certification is performed by certification bodies recognised by the IATF. The certification scheme is governed by the IATF Rules for achieving and maintaining IATF Recognition, which set out auditor competence, audit duration, and certificate management requirements. Surveillance audits are conducted annually, with recertification typically every three years. Major non-conformities, missed audit days, or sustained customer complaints can result in suspension or withdrawal of certification.
Certification is required by IATF OEMs for direct production parts and service parts. Member OEMs include BMW, Daimler/Mercedes-Benz, Stellantis (incorporating FCA and former PSA brands), Ford, General Motors, Jaguar Land Rover, Renault, Volkswagen, plus Asian OEMs participating in IATF activities. Customer-specific requirements (CSRs) layer on top of IATF 16949 and differ by OEM. Examples include Ford Q1, GM BIQS, Stellantis CSL Suppliers, and VW Formel Q. CSRs are referenced through the IATF customer-specific requirements register and form part of the certified scope at audit.
For a European Tier 1 or Tier 2 supplier already certified to IATF 16949 in support of European OEM programmes, the certification carries directly into US OEM programmes; the gap is in customer-specific requirements rather than the underlying standard. For a supplier certified only to ISO 9001, IATF 16949 certification is typically a precondition to qualifying for direct production parts at IATF OEMs. The corridor mechanics are detailed in the German automotive suppliers into US OEM Tier 1 pillar.
Most certificate-related friction in cross-border programmes arises not from the IATF 16949 baseline but from the differences in CSR content between European and US OEMs.
The corridor view. PPAP, APQP, IATF 16949, and the customer-specific requirements that govern Detroit Three OEM access.
Read the pillar →Production Part Approval Process. The AIAG standard for component supplier approval at US OEMs.
See the entry →Advanced Product Quality Planning. The AIAG framework for automotive product development discipline.
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