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Service bulletin No. 56-25

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 id11033646
Published by NHTSA2026-06-05
Manufacturer's numberNo. 56-25
Manufacturer's date2026-05-26
NHTSA componentENGINE; ELECTRICAL SYSTEM

NHTSA's summary

Technical information for a Yellow Malfunction Indicator Light in the Instrument Cluster/Fault Memory Entries for Misfires in the DME Control Unit: Observe Procedure for Soot-Covered Spark Plugs

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Engine

Vehicles listed
PORSCHE 9112025

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

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