GP-12 Inspection Services
for Windsor, Ontario Automotive Suppliers
Under a GP-12 in Windsor-Essex? PTI QCS deploys certified containment inspectors to your facility or your customer's dock — fast, documented, and ready to satisfy your OEM's requirements from day one.
24/7 Emergency Dispatch Available
"In the Windsor-Essex corridor, a GP-12 response window is measured in hours. Your containment partner needs to be ready before you get the call — not after."
What Is a GP-12 Inspection?
GP-12 (General Motors Global Procedure 12) is an OEM-mandated quality protocol requiring 100% part inspection at a certified containment station before suspect or non-conforming components can enter a customer's production stream. It is one of GM's primary tools for preventing quality escapes from reaching the assembly line.
A GP-12 is typically activated when one or more of the following conditions exist:
- A quality escape has already reached the customer facility
- A process failure or tooling change creates risk of non-conforming parts in the shipped population
- An OEM quality audit identifies elevated risk during a launch or production program
- A supplier's internal quality metrics fall below acceptable OEM thresholds
For suppliers in Windsor, Ontario, a GP-12 activation can arrive with as little as 24 hours' notice — sometimes less. Having a certified containment partner already identified is not optional; it's operational planning.
Why Windsor-Essex Suppliers Face Unique GP-12 Pressure
Windsor-Essex is one of Canada's highest-density automotive manufacturing corridors. The Windsor Assembly Plant (Stellantis), Ford Essex Engine Plant, and dozens of Tier-1 and Tier-2 component manufacturers operate on synchronized, high-volume production schedules where disruption cascades fast.
A single quality escape in this corridor can simultaneously affect multiple OEM programs. The consequences of a delayed or weak containment response include:
⚠️ Without Fast Containment
- Suspect parts enter OEM production
- SQE escalation to CS1 or CS2
- OEM scorecard impact
- New Business Hold risk
✅ With PTI QCS On-Site
- 100% inspection from day one
- OEM-ready documentation
- SQE confidence maintained
- Faster GP-12 exit path
GP-12, CS1, and CS2: The Escalation Framework
Understanding where GP-12 sits in the containment escalation path helps Windsor suppliers plan their response strategy before a situation worsens.
| Level | Trigger | Inspection Requirement | Third-Party Required? |
|---|---|---|---|
| GP-12 | Quality escape to OEM | 100% at containment station | Recommended |
| CS1 | Repeated escapes / systemic concern | 100% + formal CAPA | Optional / OEM discretion |
| CS2 | Failure to exit CS1 | 100% third-party inspection | Yes — mandatory |
PTI QCS operates at all three levels. If you're on GP-12 and at risk of escalating, there is no transition cost — we are already the right partner.
→ Complete CS1 vs CS2 guide for Tier-1 suppliers
What PTI QCS Does During a GP-12 in Windsor
Same-Day Mobilization
We confirm availability and commit to an on-site time within 30 minutes of your call. For Windsor-Essex, inspectors typically arrive within 4–8 hours of activation.
Containment Station Setup
Physical containment station established with accept/reject flow control, locked quarantine bins, GP-12-compliant signage, and inspection tooling matched to your part drawing and OEM acceptance criteria.
100% Part Inspection
Every suspect part inspected against drawing, boundary samples, and OEM-specified criteria. Every piece tracked: part number, inspection result, defect code, and disposition.
Shift Reports & Trend Data
Shift-by-shift reports delivered to your quality team and SQE. Real-time visibility into inspection totals, defect rates, and trend trajectories — formatted for OEM review.
GP-12 Closure Package
Complete closure documentation: total volumes, cumulative defect data, sustained trend evidence, and inspector sign-off records — ready for your formal GP-12 exit submission.
What Windsor Suppliers Should Have Ready Before Calling
To speed mobilization, have the following available when you contact PTI QCS:
- Part number(s) under containment and affected OEM program name
- OEM customer (GM, Stellantis, Ford) and SQE contact name if known
- Estimated daily volume of parts requiring inspection
- Preferred sorting location — your facility, customer dock, or third-party warehouse
- Available inspection criteria — boundary samples, part drawings, or defect photos
If you don't have everything, call anyway. We'll help you work through it.
PTI QCS Windsor-Essex Service Scope
GP-12 Inspection & Sorting
At supplier facility or customer dock, with full OEM documentation
CS1 & CS2 Controlled Shipping
Third-party inspection as required at escalation levels
Early Production Containment
Inspection support during program launches and SOP phases
Emergency Sort Response
Same-day activation for quality escapes requiring immediate action
→ View PTI QCS Windsor sorting services
→ What is GP-12 inspection? Complete guide
→ GP-12 inspection requirements guide
Frequently Asked Questions
Q: What is a GP-12 inspection in the automotive industry?
GP-12 is a General Motors quality procedure requiring 100% inspection of suspect or non-conforming parts at a certified containment station before they can enter the customer's production stream. It is activated following a quality escape, process failure, or elevated-risk launch situation and requires documented inspection results formatted for SQE review.
Q: How fast can PTI QCS deploy for GP-12 in Windsor, Ontario?
PTI QCS can have certified inspectors on-site in Windsor-Essex within 4–8 hours of activation during business hours. Emergency weekend and after-hours response is also available. Call (833) 784-9675 for immediate dispatch.
Q: Can PTI QCS sort at the Stellantis or GM dock in Windsor?
Yes, dock-side sorting is available when authorized by the OEM quality representative. We coordinate directly with your SQE contact to confirm access and setup requirements for dock or line-side inspection at Windsor-area OEM facilities.
Q: What is the difference between GP-12, CS1, and CS2?
GP-12 is the initial 100% containment inspection level. CS1 (Controlled Shipping Level 1) escalates requirements with a formal corrective action plan. CS2 (Controlled Shipping Level 2) mandates independent third-party inspection. PTI QCS operates at all three levels with no transition required between them.
Q: Does PTI QCS provide GP-12 closure documentation?
Yes. PTI QCS provides shift inspection logs, daily defect trend charts, defect code summaries, inspector sign-off records, and a complete closure documentation package formatted for OEM SQE review and IATF 16949 audit readiness.
Get GP-12 Support in Windsor Today
Don't wait until your OEM escalates. PTI QCS is ready to mobilize in Windsor-Essex now.
PTI QCS — Certified Quality Containment | Windsor-Essex, Ontario