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Service bulletin SB-315B

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 id10028746
Published by NHTSA2009-05-22
Manufacturer's numberSB-315B
Manufacturer's date2009-01-06
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

MOTOR COACH: ENGINE SHUTDOWN/LOW COOLANT SENSOR. DIRECT CURRENT LOW COOLANT SENSOR HAS BECOME PLATED WITH COOLANT CHEMICALS AND NO LONGER SENSES THAT COOLANT LEVEL HAS DROPPED. MODEL YEARS UNKNOWN. *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, Cooling system

Vehicles listed
MCI E SERIES
MCI E SERIES1998
MCI E SERIES2001 to 2008
MCI J SERIES
MCI J45002000 to 2009

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