# Service bulletin FSB\-\-381\-048

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: 10052368
- Published by NHTSA: 2013\-07\-18
- Manufacturer's number: FSB\-\-381\-048
- Manufacturer's date: 2013\-06\-01
- NHTSA component: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

## NHTSA's summary

MACK TRUCKS: A POPPING SOUND MAY BE HEARD IN THE SPEAKERS OF SOME VEHICLES BUILT WITH A SEPARATE RADIO AMPLIFIER AND LOW VOLTAGE DISCONNECT SYSTEM. \*JS

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Electrical system, Instrument cluster

## Vehicles listed

- 2010 MACK CHU
- 2010 MACK CXU
- 2011 to 2012 MACK PINNACLE \(CHU\)
- 2011 to 2012 MACK PINNACLE \(CXU\)

JSON: [/v1/bulletins/10052368](/v1/bulletins/10052368)

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