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Service bulletin SC-21-110

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 id11013428
Published by NHTSA2025-02-03
Manufacturer's numberSC-21-110
Manufacturer's date2021-12-03
Campaign id or software versionSC-21-110
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Transit bus repair to the Dash wiring in which it was missing illumination on the dash when Hazards, Stop Request, and pedal adjustment when pressed. Adds power to splice pack BD050.

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 CATALYST2020 to 2021

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