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Service bulletin TRP-1465

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 id10056047
Published by NHTSA2014-08-23
Manufacturer's numberTRP-1465
Manufacturer's date2014-03-21
ReplacesTRP-1465-A
NHTSA componentEQUIPMENT

NHTSA's summary

CUMMINS: INSTRUCTION REPAIR IS PROVIDED WHEN CERAMIC PLUNGER(S) ARE EITHER FRACTURED OR DAMAGE TO ROLLER/TAPPET ASSEMBLY, THEN REPAIR ACTION WILL APPLY. *PE UPDATED 10/24/14. *PE

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

Equipment and accessories

Vehicles listed
CUMMINS ISX15
CUMMINS QSX15

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