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Service bulletin FSC 24103

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 id10254005
Published by NHTSA2024-05-02
Manufacturer's numberFSC 24103
Manufacturer's date2024-04-29
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Certain IC Bus Electric CE may experience liquid refrigerant migrating into the compressor, which could reduce the electrical insulation below the calibrated threshold.

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

Vehicles listed
IC BUS EVSB2022 to 2024

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