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Service bulletin 424

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 id10009768
Published by NHTSA2004-10-21
Manufacturer's number424
Manufacturer's date2004-09-24
NHTSA componentEXTERIOR LIGHTING:HEADLIGHTS

NHTSA's summary

CONVERTING MAIN HEADLIGHT VENTILATION. 2005 PORSCHE CAYENNE ALSO INCLUDED. *TC

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Lighting, Headlights

Vehicles listed
PORSCHE CAYENNE2004
PORSCHE CAYENNE S2003, 2004 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE TURBO2003, 2004 (the catalog's model; the bulletin names a series or trim of it)

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

Recalls for the same vehicles and component
22V6560002022-08-30. EXTERIOR LIGHTING:HEADLIGHTS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
94142004-12-13. Service bulletin. MAIN HEADLIGHT SHAKING WHILE DRIVING. *TT
03102004-02-20. Service bulletin. HEADLIGHTS FOGGING. *TT
17032004-02-12. Service bulletin. THE COVER LENS OF THE MAIN HEADLIGHTS CAN MIST UP ON THE INSIDE. *TT