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Service bulletin WB13-65D

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 id10110687
Published by NHTSA2017-08-04
Manufacturer's numberWB13-65D
Manufacturer's date2013-11-19
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

On the vehicles affected by this bulletin, software updates with enhancements are available for the multiplex system, for the EMS and aftertreatment control module (ACM). On all vehicles, perform a DPF Service Regeneration and Crystal Sublimation when programming is completed.

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, Engine, Exhaust and emissions, Software

Vehicles listed
PREVOST H3-412011 to 2014
PREVOST H3-452011 to 2014
PREVOST H3-VIP2011 to 2014
PREVOST W52011
PREVOST WE2011 to 2013
PREVOST X32011 to 2014
PREVOST X3-45 VIP2014

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