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Service bulletin E242

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 id10164292
Published by NHTSA2019-09-05
Manufacturer's numberE242
Manufacturer's date2019-08-16
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Emissions Recall â“ Chassis have NOx emissions that exceed allowable limits on federal test cycles. Updates to the Aftertreatment system will be made to reduce NOx emissions to acceptable limits.

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
PACCAR MX-132013 to 2015

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