# Service bulletin FSB 846\-003rev

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: 10120537
- Published by NHTSA: 2017\-10\-25
- Manufacturer's number: FSB 846\-003rev
- Manufacturer's date: 2017\-09\-18
- NHTSA component: ENGINE

## NHTSA's summary

MACK Trucks has determined that certain 2013 through 2015 year model CHU, CXU, GU and MRU trucks equipped with a MP8 model engine may be equipped with an improperly functioning on\-board emission\-related diagnostic system.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10120537-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10120537-0001.pdf)

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

## Components

Engine

## Vehicles listed

- MACK MACK

JSON: [/v1/bulletins/10120537](/v1/bulletins/10120537)

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