# 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.

- Type: Service bulletin
- NHTSA id: 10109301
- Published by NHTSA: 2017\-08\-01
- Manufacturer's number: 122\-B3W7F\-06
- Manufacturer's date: 2012\-05\-24
- NHTSA component: EXTERIOR 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2012/MC-10109301-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2012/MC-10109301-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Lighting, Brake lights

## Vehicles listed

- 2010 to 2012 PORSCHE PANAMERA

## Other bulletins for the same vehicles and component

- [122\-G8Z4D\-10](/bulletins/10119312.md), 2017-10-15, Service bulletin: EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH. 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\-12](/bulletins/10044348.md), 2012-06-14, Service bulletin: EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH. PORSCHE: THE INSTRUMENT CLUSTER DISPLAYS WARNING OF BRAKE LIGHT REMAINS ON. \*PE

JSON: [/v1/bulletins/10109301](/v1/bulletins/10109301)

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