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Service bulletin No. 02-23

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 id10233934
Published by NHTSA2023-04-06
Manufacturer's numberNo. 02-23
Manufacturer's date2023-03-21
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Technical information for a warning message - "engine control system malfunction" in conjunction with error memory entry P04F000 in DME control unit.

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

Engine

Trouble codes named

P04F0

Vehicles listed
PORSCHE 9112019, 2020, 2021, 2022, 2023

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

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