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Service bulletin T2258

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 id10184073
Published by NHTSA2020-12-14
Manufacturer's numberT2258
Manufacturer's date2020-11-19
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT

NHTSA's summary

This Temporary Repair Practice is being issued to address Turbocharger and/or VGT Actuator failures on certain ISX15 CM2350 engines. This TRP authorizes certified repair locations to replace the Turbocharger and/or the VGT Actuator if fault codes ortroubleshooting lead to a confirmed failure of the Turbocharger and/or the VGT Actuator.

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, Equipment and accessories, Turbocharger or supercharger

Vehicles listed
CUMMINS ISX15

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