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Service bulletin PI 0857

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10082924
Published by NHTSA2016-10-19
Manufacturer's numberPI 0857
Manufacturer's date2015-01-14
NHTSA componentELECTRICAL SYSTEM:SOFTWARE; ENGINE

NHTSA's summary

CONTROL MODULE SOFTWARE UPDATES. SOFTWARE UPDATES WITH ENHANCEMENTS ARE AVAILABLE FOR THE ENGINE CONTROL MODULE (ECM) FOR MACK MRU/LEU MP7 ENGINES WITH US2014 EMISSION LEVEL ON VEHICLES BUILT BETWEEN 1/28/2014 AND 11/7/2014. ENGINE CONTROL MODULES REPROGRAMMED THROUGH PI 0854 AFTER 10/6/2014 WILL HAVE THIS SOFTWARE CORRECTION INCLUDED AND WILL NOT REQUIRE REPROGRAMMING AGAIN.

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
MACK LEU2015
MACK MRU2015

Listing a model year does not mean every vehicle of it is concerned: the document says which.