IATF 16949 Major NC ClosureIATF 16949 Major NC Closure

IATF 16949 Major NC Closure is a huge concern for Tier 1, Tier 2 and all respective suppliers. Major NC can cause a pause or hold on the certification that can escalate to the customer and may go beyond and cause stop shipment.

We understand the pressure and we are here for you.

Kadmar Consultants, with extensive expertise in Automotive environment, we understand the challenge and Certifying Body requirements as per IATF 16949. Closing an IATF 16949 Major Nonconformity within 30–90 days is one of the biggest challenges faced by automotive suppliers. Today in this blog we will cover what is major NC, why do you get it and how to avoid it and if you are stuck with the major NC, steps you will need to resolve it.

What are IATF 16949 Major NCs?

A Major Nonconformity shows a crack in the Quality Management System (QMS), such as:

  • Process map not correctly defined, Core processes Missing.
  • documented information not available.
  • Repeated minor nonconformities in similar context
  • contamination of critical safety item or cleanliness requirement.
  • Poor management review process.
  • Failing objective in repeated manner.

Major NC Corrective Action Process:

Major NC requires immediate containment and structured corrective action—not cosmetic fixes.

As per IATF Rules You have 30-90 days time framework to provide containment and corrective action.

  • 30 days → Root cause analysis & action plan submission
  • 60–90 days → Implementation & effectiveness verification

Failure → Suspension or withdrawal of certification

30–90 Day Major NC Closure Framework

  • Phase 1: Immediate Containment (Day 1–7):

Customer protection is vital and this phase emphasizes on customer satisfaction. Interim controls are in place to satisfy customer need and demand.

  • Phase 2: Root Cause Analysis (Day 7–30):

This phase requires deep dive into the problem situation. Focus on understanding problem before jumping to conclusion. The weakest root cause analysis is done on the symptom not the problem. Use strategies such as 5 Why Analysis, Fishbone (Ishikawa), Process mapping, Process-based gap analysis. Auditors look for systematic failure than generic failures. When human and training is given precedence over structured system failures, auditors will not give the buy in.

  • Phase 3: Corrective Action Implementation (Day 30–60)

The objective of phase 3 is to fix the system permanently and the correct action points towards system, process redesign, and SOP updates along with risk assessment and competency development.

  • Phase 4: Effectiveness Verification (Day 60–90)

Validation phase is the most important phase in the NC closure as it validates the NC will not recur. Different validation techniques can be used and combined but not limited to internal audit results, KPI trend analysis, Process performance data, Management review evidence.

Auditor wants a system build on actual processes that works not paper model.

Common Reasons Major NC Closures Get Rejected

  • Corrective action defined on symptoms.
  • Weak root cause analysis.
  • No linkage between processes.
  • Missing effectiveness data.
  • Over-complicated documentation without impact.
  • Past due date for submission. ‘
  • Action focused on human error than systematic error.

Why Organizations Choose Kadmar

Kadmar Consultants does not only focus on closing the NC but the main preference is to eliminate the NC recurrence.  We have expertise in,

  • 100% auditor-aligned methodology.
  • Fast 30–90-day closure success.
  • Automotive industry specialists.
  • Remote & on-site support.
  • Zero guesswork—only proven methods.

Kadmar doesn’t just help you close NCs—we help you build a stronger Quality Management System.

Frequently Asked Questions (SEO-Rich)

  • How long does it take to close a major NC in IATF 16949?

Typically, 30–60 days, depending on complexity and effectiveness of corrective actions.

  • Can certification be suspended if a major NC is not closed?

Yes. Failure to close within IATF timelines can lead to suspension or withdrawal.

  • Can Kadmar help with urgent major NC closure?

Absolutely. Kadmar specializes in urgent and high-risk NC closures.

Closing an IATF 16949 major nonconformity within 30–90 days is not about speed—it’s about precision, evidence, and system correction.

With our proven framework, organizations achieve:

  • Faster acceptance
  • Zero resubmissions
  • Stronger audit confidence

Contact Us Today

If you’re need with IATF 16949 Major NC Closure, Kadmar is your fastest and safest path to compliance.

Kadmar Consultants provides IATF 16949 Implementation for manufacturers and automotive organizations globally with regional support across Canada and the United States.

Contact us today to schedule on-site or virtual training.

Author: Asma Rashid