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Service bulletin FSB.0024

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 id10251762
Published by NHTSA2024-03-18
Manufacturer's numberFSB.0024
Manufacturer's date2024-02-07
NHTSA componentELECTRICAL SYSTEM; FUEL SYSTEM, OTHER

NHTSA's summary

Guidance for Fault Code SPN 6338 on compressed natural gas (CNG) fuel systems equipped with Blue iQ?. This fault code is a "phantom/ghost" code and may be generated when the Fuel System Control Module (FSCM) is connected to Cummins® INSITE? or during fuel system installation. This fault code does not affect performance or drivability of the fuel system or chassis. This fault code will not trigger warning or check engine lights.

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

Electrical system, Fuel system

Vehicles listed
HEXAGON AGILITY HEXAGON AGILITY

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