# Service bulletin FSB 381\-017

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: 10110381
- Published by NHTSA: 2017\-08\-04
- Manufacturer's number: FSB 381\-017
- Manufacturer's date: 2017\-04\-18
- NHTSA component: POWER TRAIN; POWER TRAIN:AXLE ASSEMBLY

## NHTSA's summary

On Mack LR models with PDLO, Power Divider Lock Out, the alarm for this feature, while engaged, will only sound once and the volume may seem low. There will be a continuous pop\-up in the instrument cluster while engaged. This is due to an instrument cluster SW issue.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10110381-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10110381-0001.pdf)

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

## Components

Transmission and driveline, Axle

## Vehicles listed

- MACK LR

JSON: [/v1/bulletins/10110381](/v1/bulletins/10110381)

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