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Service bulletin TSB230226

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 id10248641
Published by NHTSA2024-01-09
Manufacturer's numberTSB230226
Manufacturer's date2023-12-05
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of fault code FC 36 causing air-lock in hot ambient temperatures.

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, Engine oil and lubrication

Vehicles listed
CUMMINS KY
CUMMINS POWER GENERATION HGJAA
CUMMINS POWER GENERATION HGJAB

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