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Service bulletin FSB-284-038

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 id10051568
Published by NHTSA2013-03-19
Manufacturer's numberFSB-284-038
Manufacturer's date2013-02-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

VOLVO: ENGINE COOLING THERMOSTAT UPDATE (SPN 1659 FMI 12). DURING SEVERE CONDITIONS AND HEAVY DUTY APPLICATIONS, AN SPN 1659 FMI 12 DTC MAY DISPLAY DURING ENGINE WARM UP AND INDICATE AN ISSUE WHEN THE COOLING SYSTEM IS PERFORMING NORMALLY. ALSO INCLUDED ARE MODELS D11H AND D16H *JS

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

Engine, Cooling system

Vehicles listed
VOLVO VAH2011 to 2012
VOLVO VHD
VOLVO VN

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