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Service bulletin TRP-T-1535

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 id10058256
Published by NHTSA2015-08-22
Manufacturer's numberTRP-T-1535
Manufacturer's date2014-07-22
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL

NHTSA's summary

CUMMINS TRP: CLARIFYING INFORMATION IN REPAIRING OF ENGINE THAT IS DAMAGED DUE TO MATERIAL DELAMINATION OF ROD BEARING SHELLS AND COVERED UNDER BASE ENGINE WARRANTY PERIOD, ATTACHED TO ESN LIST AND NON PERFORMANCE/REPAIR OF CAMPAIGN C1517. *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

Engine

Vehicles listed
CUMMINS CUMMINS
CUMMINS ISX
CUMMINS QSX15

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