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Service bulletin FSB-255-023

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 id10044246
Published by NHTSA2012-05-24
Manufacturer's numberFSB-255-023
Manufacturer's date2012-04-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

VOLVO TRUCKS: CONNECTOR PIN, REPLACEMENT. SEVERE FRETTING DAMAGE OF THE ENGINE VARIABLE GEOMETRY TURBOCHARGER ACTUATOR (ENGINE VGT ACTUATOR) HARNESS AND TURBINE SHAFT SPEED SENSOR (TSS) CONNECTOR MAY CAUSE AN UNRELIABLE SIGNAL TO THE ENGINE VGT ACTUATOR. *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 VAH2011 to 2012
VOLVO VHD1999 to 2012
VOLVO VN1994 to 2011
VOLVO VT2001 to 2010

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