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Service bulletin 122-B3W7F-06

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 id10109301
Published by NHTSA2017-08-01
Manufacturer's number122-B3W7F-06
Manufacturer's date2012-05-24
NHTSA componentEXTERIOR LIGHTING:BRAKE LIGHTS; ELECTRICAL SYSTEM

NHTSA's summary

Concerns: Brake light switch Information: Possible replacement of perfectly functioning components when complaint "Brake light stays on" is received/fault code 4340 in PSM 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

Electrical system, Lighting, Brake lights

Vehicles listed
PORSCHE PANAMERA2010, 2011, 2012

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
122-G8Z4D-102017-10-15. Service bulletin. Information: A Cayenne with optional equipment no. 1D6 will come with a Trailer hitch receiver and wiring up to the receiver hitch that includes a control unit to operate the trailer parking lights, turn signals and brake lights. The Cayenne is also pre-wired for a brake controller. You will need to do the following to hook up the trailer electrics and/or an electric brake controller:
TI-39-122012-06-14. Service bulletin. PORSCHE: THE INSTRUMENT CLUSTER DISPLAYS WARNING OF BRAKE LIGHT REMAINS ON. *PE