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Service bulletin FSB-593-012

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 id10055990
Published by NHTSA2014-08-08
Manufacturer's numberFSB-593-012
Manufacturer's date2014-05-01
NHTSA componentELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL

NHTSA's summary

VOLVO TRUCK: DUE TO INTERNAL BUILD UP CONTAMINATION OF GRIME, SALT, ROAD DEBRIS, IN HARSH ENVIRONMENTS, CAUSES SOLENOID VALVE TO MALFUNCTION AND TRAILER BRAKE CIRCUIT TO MAINTAIN TRAILER BRAKE PRESSURE AFTER HILL START ASSIST EVENT. MODEL VHD, VN, VT, VAH. *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

Vehicles listed
VOLVO VAH2008 to 2014
VOLVO VHD2008 to 2014
VOLVO VN2008 to 2013
VOLVO VT2008 to 2014

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