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Service bulletin No. D506

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 id10179270
Published by NHTSA2020-09-02
Manufacturer's numberNo. D506
Manufacturer's date2020-08-26
NHTSA componentSUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM; EQUIPMENT

NHTSA's summary

Parts Withdrawal information for an Air spring for the Cayenne.

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.

Components

Equipment and accessories, Suspension, Air suspension

Vehicles listed
PORSCHE CAYENNE2020

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