# Service bulletin SP\-284\-027

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: 10034970
- Published by NHTSA: 2011\-02\-02
- Manufacturer's number: SP\-284\-027
- Manufacturer's date: 2010\-09\-01
- NHTSA component: ELECTRICAL SYSTEM:SOFTWARE

## NHTSA's summary

MACK TRUCK: ENGINE ECM AND ACM SOFTWARE UPDATES. ENHANCEMENTS ARE AVAILABLE FOR THE ENGINE CONTROL MODULE \(ECM\) AND AFTERTREATMENT CONTROL MODULE \(ACM\). DOES NOT APPLY TO MACK TRUCKS AUSTRALIA. MODELS MRU, LEU, GU, CHU, CXU. NO MODEL YEARS LISTED. \*PE

## 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, Software

## Vehicles listed

- 2006 to 2010 MACK CHU
- 2006 to 2010 MACK CXU
- 2006 to 2011 MACK GU
- 2007 to 2010 MACK LEU
- 2007 to 2011 MACK MRU
- 2011 MACK PINNACLE \(CHU\)
- 2011 MACK PINNACLE \(CXU\)

JSON: [/v1/bulletins/10034970](/v1/bulletins/10034970)

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