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Service bulletin CMI-N5L2B-03

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 id10088385
Published by NHTSA2017-01-12
Manufacturer's numberCMI-N5L2B-03
Manufacturer's date2015-03-13
NHTSA componentFUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP

NHTSA's summary

THIS MEMORANDUM, MADE AVAILBLE TO CUMMINS CUSTOMERS AND AUTHORIZED REPAIR LOCATIONS, PROVIDES AN EXPLANATION OF THE FUEL PUMP CAMPAIGNS BEING SUPERCEDED BY A NEW LUBE OIL FILTER BYPASS VALVE CAMPAIGN.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Fuel system, Fuel pump

Vehicles listed
CUMMINS ISX12
CUMMINS ISX15

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