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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 id10043268
Published by NHTSA2012-03-09
Manufacturer's numberTIS-53-11
Manufacturer's date2011-12-16
NHTSA componentELECTRICAL SYSTEM:IGNITION:SWITCH; ELECTRICAL SYSTEM:IGNITION; ELECTRICAL SYSTEM:STARTER ASSEMBLY

NHTSA's summary

PORSCHE: SOME MODEL YEAR VEHICLES ARE EXPERIENCING A REDUCTION IN COMFORT WHEN ENGINE STARTS AFTER SERVERAL ATTEMPTS ARE MADE, USING DRIVER'S KEY. *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, Starter

Vehicles listed
PORSCHE PANAMERA2010, 2011, 2012
PORSCHE PANAMERA 4S2010 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE PANAMERA S2010 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE PANAMERA TURBO2010 (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.