Independent and effective
Fair and scientific
2025-11-19
Dear IATF 16949 certified customers, auditors and interested parties,
Hello everyone! The content of this paper is the introduction of the five most common nonconformities in IATF 16949 published by IAOB,
aiming to help customers and auditors understand the common problems and their solutions more clearly.
Each nonconformity corresponds to four core sections: applicable clauses, objective evidence, root causes and systematic corrective measures.
Please check. (There is also a Korean version.You can download the compressed package at the end of the article to view all the information. )






Top 5 NCs Resources (English, Korean).zip