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Service bulletin D4

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11015180
Published by NHTSA2025-03-06
Manufacturer's numberD4
Manufacturer's date2025-02-07
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

Parts Information - Cut Keys Quick Reference Chart (Classic Keys)

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Vehicles listed
PORSCHE 9112001

Listing a model year does not mean every vehicle of it is concerned: the document says which.