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Service bulletin WTY 991

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 id10186505
Published by NHTSA2021-02-02
Manufacturer's numberWTY 991
Manufacturer's date2021-01-29
NHTSA componentEXTERIOR LIGHTING; BACK OVER PREVENTION

NHTSA's summary

Porsche intranet posting with preliminary information for dealers on the Extended warranty for the reversing light function on the 911Carrera (991).

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

Driver assistance, Lighting, Backup camera

Vehicles listed
PORSCHE 9112012, 2013, 2014, 2015

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
PIWIS2301ar2023-08-03. Service bulletin. Information for PIWIS tester updates 42.000.050 & .051
PIWIS2301aq2023-08-03. Service bulletin. Information for PIWIS tester update 42.000.048