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Service bulletin SP15-15B

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 id10124075
Published by NHTSA2017-11-17
Manufacturer's numberSP15-15B
Manufacturer's date2015-06-03
NHTSA componentELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

NHTSA's summary

On the vehicles affected by this bulletin, perform software updates of the Engine Management System (EMS) and instrument cluster. The cluster update affects the beep sound level. Some vehicles will need both systems updated. Other vehicles need either one update. Refer to table below.

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, Instrument cluster

Vehicles listed
PREVOST H3-412015
PREVOST H3-452015
PREVOST X3-452014 to 2015
PREVOST X3VIP2015 to 2016

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