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Service bulletin WB13-32B

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 id10131523
Published by NHTSA2018-04-02
Manufacturer's numberWB13-32B
Manufacturer's date2013-04-25
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

NHTSA's summary

On the vehicles affected by this bulletin, the NOx sensor must be replaced and the EMS software requires an update. This must be done to allow correct emissions inspection in particular states including California.

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, Exhaust and emissions

Vehicles listed
PREVOST H3-452012 to 2013
PREVOST H3-VIP2013
PREVOST WE2013
PREVOST X32012 to 2013

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