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Service bulletin SB-49-4

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 id10032677
Published by NHTSA2010-04-28
Manufacturer's numberSB-49-4
Manufacturer's date2008-01-01
NHTSA componentEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL

NHTSA's summary

FREIGHTLINER: OCCASIONALLY THE AMBER DIESEL PARTICULATE FILTER (DPF) STATUS LIGHT ON THE DRIVER MESSAGE CENTER MAY COME CON, INDICATING THAT THE EXHAUST SOOT LEVEL IS ELEVATED. RECREATIONAL VEHICLE, SHUTTLE BUS, WALK IN VAN AND S2 CUSTOM CHASSIS MODELS. 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
FREIGHTLINER FREIGHTLINER1971

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