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Service bulletin SP19-26

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 id10161735
Published by NHTSA2019-07-02
Manufacturer's numberSP19-26
Manufacturer's date2019-06-12
NHTSA componentENGINE AND ENGINE COOLING; FUEL SYSTEM, DIESEL

NHTSA's summary

On the vehicles affected by this bulletin, an update to the engine EMS software must be carried out by qualified technicians.

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, Fuel system

Vehicles listed
PREVOST X3-452018 to 2019

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