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Emissions E273

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)
TypeEmissions
NHTSA id11022489
Published by NHTSA2025-09-03
Manufacturer's numberE273
Manufacturer's date2025-08-22
Campaign id or software versionE273
NHTSA componentFUEL/PROPULSION SYSTEM

NHTSA's summary

Part number 2300479 Engine Control Module has been added to the parts table for PACCAR MX-11EMY2021. Part number 2302109 Engine Control Module has been added to the parts table for PACCAR MX-11 andMX-13 EMY2023. Per Environment and Climate Change Canada (ECCC) regulations and guidance (Canadian Environmental Protection Act, 1999 (CEPA)), a letter has been provided to owners of Canadian registered chassis that provides a list of emissions components that have been reported (to ECCC) as having a defect."

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

Fuel system

Vehicles listed
PACCAR MX-112021

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