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Service bulletin ICI23-052

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 id10246190
Published by NHTSA2023-12-07
Manufacturer's numberICI23-052
Manufacturer's date2023-11-30
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Important Campaign Information Letter for DDC D22M8 - Termination Date Extended. REVISION: D22M8 termination date extended to July 14, 2024.

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
DETROIT DIESEL DETROIT DIESEL

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