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Service bulletin SP-373-016

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 id10043826
Published by NHTSA2012-04-27
Manufacturer's numberSP-373-016
Manufacturer's date2012-02-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

VOLVO: VEHICLES WITH 11L, 13L, AND ISX ENGINES BUILT BETWEEN JULY 2007 AND DECEMBER 2011, BLOCK HEATER CABLES WITH THERMOSTAT CONTROLS HAVE BEEN FOUND TO BE NONFUNCTIONAL. *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

Vehicles listed
VOLVO VN2007 to 2011

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