WenmarOpen by Wenmar Pro

Service bulletin FSB-258-029

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 id10042512
Published by NHTSA2011-12-14
Manufacturer's numberFSB-258-029
Manufacturer's date2011-11-01
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

VOLVO TRUCK: ON CERTAIN VEHICLES, THE ENGINE CONTROL MODULE (ECM) AND THE BYPASS VALVE IS DEACTIVATED DUE TO REPROGRAMMING OF SOFTWARE UPDATES. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Software

Vehicles listed
VOLVO VH2011
VOLVO VHD2011
VOLVO VN2011
VOLVO VNL2011
VOLVO VNM2011

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