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Service bulletin SC-22-026

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 id11010998
Published by NHTSA2024-12-03
Manufacturer's numberSC-22-026
Manufacturer's date2023-07-06
Campaign id or software versionSC-22-026
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Service Bulletin for upgraded battery fans on select heavy duty electric buses. Moving to brushless fans to extend the service life of the fans.

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

Vehicles listed
PROTERRA CATALYST2017 to 2018

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