General Revision 5.x of DeQuMa and PCN-Form is now available.
Product and Process Changes (PCN) are inevitable to cope innovation cycles, quality requirements and immense price pressures.
Changes to electronic components (active and passive devices) can become necessary for many reasons. E.g. some might be development related, some could have a quality or logistic background, etc.
According to international agreed standards, changes of electronic components must be qualified and notified by the manufacturer, and often approved by the customer. Unfortunately the PCN process is often a cumbrous one, which takes many months, or even years. Reasons for that are:
To expedite the approval process, the working group "PCN Methodology" proposes to enhance the communication between 2nd tier (component manufacturer) and 1st tier (electronic control unit manufacturer), and therefore:
The overall process and the use of both, "PCN Form" and "DeQuMa", is described in the ZVEI "Guideline for Customer Notifications of Product and /or Process Changes (PCN) of Electronic Components specified for Automotive Applications".
Changes of Rev.5.0 versus Rev.4.1 are available as an Excel-File.