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Service bulletin KC-117

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 id10203024
Published by NHTSA2021-11-05
Manufacturer's numberKC-117
Manufacturer's date2021-10-20
NHTSA componentUNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE

NHTSA's summary

Mack Chassis - Performance Bonus Configuration Instructions And Information - US10+OBD13 And Newer Emissions (16 Pin Diagnostic 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, Engine control module

Vehicles listed
MACK MACK

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