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Service bulletin WPR8

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 id10249933
Published by NHTSA2024-02-08
Manufacturer's numberWPR8
Manufacturer's date2023-12-18
NHTSA componentELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV); ELECTRICAL SYSTEM:WIRING:POSITION/LIMIT SENSOR/SWITCH

NHTSA's summary

Porsche intranet posting with information on workshop campaign WPR8 - checking crankcase sensor and reworking if necessary

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, Exhaust and emissions, Crankcase ventilation (PCV), Wiring and fuses

Vehicles listed
PORSCHE CAYENNE2024
PORSCHE CAYENNE COUPE2024 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE E-HYBRID2024 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE GTS2024 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE S2024 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE S COUPE2024 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE TURBO E-HYBRID2024 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE TURBO GT2024 (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.