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8.5.2.1IATF 16949:2016

Traceability — supplemental (IATF only)

Plain-language summary

Traceability is risk-based but with teeth: documented analysis of traceability requirements per product, ability to identify nonconforming/suspect product clearly, and where customers require it, serialised or lot traceability that supports rapid containment.

What the clause is really asking

Implement traceability plans per risk and customer/regulatory requirements: enabling identification of suspect/nonconforming material at all stages (clear marking, segregation ability), supporting your response time targets for containment, and meeting any serialisation requirements.

What auditors look for

Auditors give the containment scenario: 'this supplier lot is suspect — show me everything it touched, now.' Speed and completeness of the answer is the audit. Plans documented per part family get checked against customer CSR traceability demands.

Typical evidence

Traceability plans/analysis; containment exercise records with timings; serialisation records where required; suspect marking standards.

How to comply — recommendations

Write a half-page traceability plan per product family: unit, marking, records, merge points, containment time target. Drill containment annually with a stopwatch — the drill record is gold in customer audits.

Common nonconformities

No documented traceability analysis; containment takes days; serialisation required by CSR but absent; suspect product indistinguishable from good stock.

Related clauses

Builds on ISO 9001 8.5.2

In the book

Chapter 8 — Operation — Where the Product Is Won or Lost treats this clause family in full: what it is really asking, what auditors look for, the evidence that satisfies, how to make it work on a real floor, and where companies stumble. This IATF requirement is covered in the Automotive Edition, in the same six blocks as the ISO clause around it.

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