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Service bulletin FC-22-157

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 id11013164
Published by NHTSA2025-01-28
Manufacturer's numberFC-22-157
Manufacturer's date2022-10-12
Campaign id or software versionFC-22-157
NHTSA componentSERVICE BRAKES

NHTSA's summary

Fleet check repair instruction for heavy duty transit buses to inspect for connector between interlock and ATC being installed in the wrong location.

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

Brakes

Vehicles listed
PROTERRA CATALYST2018 to 2021
PROTERRA ZX52020 to 2021

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