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Service bulletin SC-19-95

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 id10164631
Published by NHTSA2019-09-10
Manufacturer's numberSC-19-95
Manufacturer's date2019-08-13
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

The reason for this software update is to update various controllers. All the included Proterra Catalyst E2 vehicles require a change to the software/configuration for the following items: Battery Pack Software, Charge Controller, ESM Software, Powertrain Controller, DWP/Dash Software, and Body Controller (ZR)

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 CATALYST2018 to 2019

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