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Service bulletin SB-49-3

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 id10032678
Published by NHTSA2010-04-28
Manufacturer's numberSB-49-3
Manufacturer's date2009-01-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

THOMAS BUILT: OCCASIONALLY THE AMBER DIESEL PARTICULATE FILTER (DPF) STATUS LIGHT ON THE DRIVER MESSAGE CENTER MAY COME ON, INDICATING THAT THE EXHAUST SOOT LEVEL IS ELEVATED. SAF-T-LINER CS MODEL. NO MODEL YEARS LISTED. *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

Engine, Equipment and accessories, Labels and manuals

Vehicles listed
THOMAS BUILT BUSES SAF-T-LINER C22000 to 2011

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