# Service bulletin TB\-284\-021

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: 10036935
- Published by NHTSA: 2011\-04\-20
- Manufacturer's number: TB\-284\-021
- Manufacturer's date: 2010\-11\-01
- NHTSA component: ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ENGINE AND ENGINE COOLING:ENGINE

## NHTSA's summary

MACK: ENGINE ECU REPROGRAMMING. THE MACK MP7 AND MP8 WITH MULTIPLE ENGINE ENHANCEMENTS WILL HAVE NEW SOFTWARE. THE EGR MASS FLOW, AND AFTERTREATMENT DOSER AND NOX SENSOR ARE INCLUDED IN THE ENHANCEMENT. \*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, Engine, Software

## Vehicles listed

- 2011 MACK GU
- 2011 to 2012 MACK LEU
- 2011 to 2012 MACK MRU
- 2011 MACK PINNACLE \(CHU\)
- 2011 MACK PINNACLE \(CXU\)

JSON: [/v1/bulletins/10036935](/v1/bulletins/10036935)

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