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Service bulletin TIS-53-11

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 id10043264
Published by NHTSA2012-03-08
Manufacturer's numberTIS-53-11
Manufacturer's date2011-12-16
NHTSA componentELECTRICAL SYSTEM:IGNITION:SWITCH; ELECTRICAL SYSTEM:IGNITION

NHTSA's summary

PORSCHE: ON SOME MODEL YEAR VEHICLES, THE POSSIBILITY THAT IGNITION STARTER SWITCHES THAT IS INSTALLED, REDUCED COMFORT OF USING DRIVER'S KEY, AND ENGINE FAILS TO START AFTER SEVERAL ATTEMPTS BEEN MADE. *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

Electrical system, Ignition

Vehicles listed
PORSCHE CAYENNE2011
PORSCHE CAYENNE S2011 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE S HYBRID2011 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE TURBO2011 (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.