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Service bulletin IK0700121

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 id11010965
Published by NHTSA2024-12-03
Manufacturer's numberIK0700121
Manufacturer's date2024-11-22
Campaign id or software versionIK0700121
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

Vehicles with a Diesel Particulate Filter (DPF), require periodic regenerations. Due to the usage requirements of some fleet and emergency vehicles, it may be difficult to perform an automatic regeneration. The use of the Manual Regeneration function when prompted or on a regular basis will reduce the chance of a vehicle having regeneration issues. Navistar allows the operator of emergency vehicles to perform periodic regens regardless of soot loading.

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.

Vehicles listed
INTERNATIONAL CV2023

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