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Service bulletin KC-279

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 id10206155
Published by NHTSA2022-01-06
Manufacturer's numberKC-279
Manufacturer's date2021-12-29
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Mack SED Communication No. 1372-15 M - OBD16 Emissions Cummins "GREEN" (9 Pin) Data Port Connector

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
CUMMINS CUMMINS
CUMMINS M10

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