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Service bulletin C2389A

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 id10187147
Published by NHTSA2021-02-16
Manufacturer's numberC2389A
Manufacturer's date2021-01-19
NHTSA componentFUEL SYSTEM, OTHER:FUEL FILTER

NHTSA's summary

This campaign is being issued to address a potential oil leak from the lube oil filter on certain X15, X12, QSX15, QSM11, ISX15, ISX12N, and ISM11 engines. This campaign authorizes certified repair locations to replace the lube oil filter if first 5 digits of the date code on the filter is confirmed to be 20232. This is an update to a previously submitted communication.

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

Fuel system, Fuel filter

Vehicles listed
CUMMINS ISM 11
CUMMINS ISX12
CUMMINS ISX15
CUMMINS X12
CUMMINS X15

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