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Service bulletin C2225

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 id10166217
Published by NHTSA2019-10-21
Manufacturer's numberC2225
Manufacturer's date2019-09-13
NHTSA componentENGINE

NHTSA's summary

This field action campaign is for certain L9 Engines installed in Navistar Truck applications that were built with the wrong dip stick. This may lead to incorrect oil level readings. This campaign is being released to allow end users and fleets to update their engines with the correct dipstick.

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
CUMMINS L9

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