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Service bulletin 501

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 id624995
Published by NHTSA2001-11-16
Manufacturer's number501
Manufacturer's date2001-04-06
Replaces496
NHTSA componentEXTERIOR LIGHTING:HEADLIGHTS

NHTSA's summary

MOISTURE ACCUMULATION ISIDE THE HEADLIGHT ASSEMBLY. *YH

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 BOXSTER1997

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