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Service bulletin sbt4905

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 id10140763
Published by NHTSA2018-06-11
Manufacturer's numbersbt4905
Manufacturer's date2013-02-01
NHTSA componentENGINE; ELECTRICAL SYSTEM

NHTSA's summary

sbt4905 DEF Gauge Reading Incorrectly

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Engine

Vehicles listed
THOMAS C22004 to 2005
THOMAS C22008
THOMAS BUILT BUSES C22006 to 2007
THOMAS BUILT BUSES C22010

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