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Emissions D24R7-Bulletin

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 id11013293
Published by NHTSA2025-01-31
Manufacturer's numberD24R7-Bulletin
Manufacturer's date2025-01-31
Campaign id or software versionD24R7
NHTSA componentENGINE

NHTSA's summary

Emission Recall for DD8 EGR Monitor Software Reprogramming

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
FREIGHTLINER BUSINESS CLASS M22022 to 2024
THOMAS BUILT BUSES SAF-T-LINER HDX2022 to 2024

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