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Service bulletin WPH1

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 id10240514
Published by NHTSA2023-08-07
Manufacturer's numberWPH1
Manufacturer's date2023-07-19
NHTSA componentEQUIPMENT

NHTSA's summary

Porsche intranet posting with information on WPH1 - Pre-Delivery campaign - Retrofitting number plate cover

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

Equipment and accessories

Vehicles listed
PORSCHE 718 BOXSTER2023
PORSCHE 718 CAYMAN2023
PORSCHE 718 SPYDER2023

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

Other bulletins for the same vehicles and component
No. 147-182024-02-08. Service bulletin. Technical information for the complaint - rattling noise from around the crank drive
PIWIS2302s2023-12-08. Service bulletin. Information for PIWIS tester update 42.300.050 & .052
No. 38-232023-12-07. Service bulletin. Instructions on manufactures certificate for approved Porsche C40 engine oils
No. 37-232023-12-07. Service bulletin. Instructions on manufactures certificate for approved Porsche C30 engine oils
No. 36-232023-12-07. Service bulletin. Instructions on manufactures certificate for approved Porsche C20 engine oils
No. 19-212023-12-07. Service bulletin. Installation and conversion instructions for the GT3 RS
PIWIS2302r2023-12-07. Service bulletin. Information for PIWIS tester update 42.300.040 & .041
PIWIS2302q2023-12-07. Service bulletin. Information for PIWIS tester update 42.300.035
PIWIS2302p2023-12-07. Service bulletin. Information for PIWIS tester update 42.300.030 - .032
No. D6542023-12-07. Service bulletin. Parts information for parts withdrawal involving the glass roof - 9J0877069EY and 9J0877069DY