# 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.

- Type: Emissions
- NHTSA id: 11022489
- Published by NHTSA: 2025\-09\-03
- Manufacturer's number: E273
- Manufacturer's date: 2025\-08\-22
- Campaign id or software version: E273
- NHTSA component: FUEL/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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11022489-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11022489-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Fuel system

## Vehicles listed

- 2021 PACCAR MX\-11

JSON: [/v1/bulletins/11022489](/v1/bulletins/11022489)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Emissions%20E273&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11022489&vehicle=Emissions%20E273)