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Service bulletin ATI-0903

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 id10033037
Published by NHTSA2010-06-26
Manufacturer's numberATI-0903
Manufacturer's date2009-09-28
NHTSA componentSERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR; SERVICE BRAKES, ELECTRIC

NHTSA's summary

PORSCHE: BRAKE BOOSTER DISTANCE SENSOR. VEHICLE HAS THE WARNING PHC UNAVAILABLE. THE VEHICLE HAS FAULT CODE 1673 FOR THE BRAKE BOOSTER DISTANCE SENSOR. THE SENSORS REPLACED HAVE BEEN FOUND NOT TO HAVE AN INTERNAL FAILURE. DISCONNECT THE ELECTRICAL CONNECTOR AND CLEAN THE CONTACTS. *PE

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

Brakes, Anti-lock brakes, Wheel speed sensor

Vehicles listed
PORSCHE CAYENNE2004, 2005, 2006
PORSCHE CAYENNE GTS2006 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE S2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE TURBO2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE TURBO S2006 (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.