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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 id625000
Published by NHTSA2001-11-16
Manufacturer's number501
Manufacturer's date2001-04-19
NHTSA componentSTEERING:COLUMN LOCKING:ANTI-THEFT DEVICE

NHTSA's summary

ALARM SYSTEM CONTROL UNITS ARE BEING RETURNED TO THE SEVICE TEST CENTER AS WARRANTY GOODS. . *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

Steering

Vehicles listed
PORSCHE 911 CARRERA1999 (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.