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Service bulletin ICI20-021

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 id10177652
Published by NHTSA2020-07-28
Manufacturer's numberICI20-021
Manufacturer's date2020-07-17
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Important Campaign Information for SF606 Revised Bulletin. This letter is to inform you that a revised bulletin for Field Service Campaign SF606 Agility 8.0L Engine Calibration Updates is available on DTNAConnect. The work instructions have been updated and a new contact phone number for Agility with business hours has been 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.