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Service bulletin CALeB2Updates

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 id10185930
Published by NHTSA2021-01-28
Manufacturer's numberCALeB2Updates
Manufacturer's date2021-01-26
NHTSA componentEQUIPMENT; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

NHTSA's summary

Customer Advisory Letter for EV School Bus Product Updates. Freightliner Custom Chassis has developed some product enhancements and improvements for certain eB2 School Busses which include software updates and adding a coolant pump mounting bracket.

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, Equipment and accessories

Vehicles listed
THOMAS BUILT BUSES SAF-T-LINER C22021 to 2022

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