# Service bulletin sb4256

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: 10141731
- Published by NHTSA: 2018\-06\-18
- Manufacturer's number: sb4256
- Manufacturer's date: 2018\-02\-26
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; EXTERIOR LIGHTING:BRAKE LIGHTS; EQUIPMENT

## NHTSA's summary

sb4256 Enabling M2 Exhaust Brake Lights

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10141731-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10141731-0001.pdf)

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

## Components

Engine, Equipment and accessories, Exhaust and emissions, Lighting, Brake lights

## Vehicles listed

- 2008 to 2019 FREIGHTLINER BUSINESS CLASS M2
- 2005 to 2007 FREIGHTLINER BUSINESS CLASS M2 106V
- 2002 to 2004 FREIGHTLINER CENTURY CLASS

JSON: [/v1/bulletins/10141731](/v1/bulletins/10141731)

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