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Service bulletin PI 0837

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 id10083508
Published by NHTSA2016-10-25
Manufacturer's numberPI 0837
Manufacturer's date2014-02-17
NHTSA componentELECTRICAL SYSTEM:SOFTWARE; ENGINE

NHTSA's summary

SOFTWARE UPDATES WITH ENHANCEMENTS ARE AVAILABLE FOR THE ENGINE CONTROL MODULE (ECM) FOR MACK MP7, MP8 AND MP10 ENGINES WITH US2014 EMISSION LEVEL ON VEHICLES BUILT BEFORE FEBRUARY 7, 2014. SOFTWARE UPDATES ADDRESS THE FOLLOWING. • REGENERATIONS IN COLD CLIMATES (BELOW -20°C [-4°F]) • IMPROVED SOOT LEVEL REPORTING DURING PARKED REGENERATION • COLD START TIME DELAY ALGORITHM • PISTON COOLING JET (PCJ) DIAGNOSTIC FAULT LOGIC

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 MACK

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