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Service bulletin SF606REV

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 id10177651
Published by NHTSA2020-07-28
Manufacturer's numberSF606REV
Manufacturer's date2020-07-21
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Revision for Field Service Campaign for 8.0L Engine Calibration Updates. On certain vehicles, an erroneous fault code setting and malfunction indicator light (MIL) illumination may occur. The engine controller software will be updated. The revision has updated work instructions and a new contact phone number for Agility with business hours provided.

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

Engine

Vehicles listed
FCCC MT452012 to 2018
FCCC MT552012 to 2018
FCCC S22012
FCCC S22016 to 2018
THOMAS BUILT BUSES SAF-T-LINER C22012 to 2018

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