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Service bulletin SC-20-168

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 id11013682
Published by NHTSA2025-02-05
Manufacturer's numberSC-20-168
Manufacturer's date2020-12-22
Campaign id or software versionSC-20-168
NHTSA componentSTRUCTURE:BODY; FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM

NHTSA's summary

Transit bus repair instruction for the charge blade on the roof of the bus to supplement the repair manual to ensure connections have not come loose.

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

Body and frame, Electrical system, Fuel system

Vehicles listed
PROTERRA CATALYST2015 to 2019
PROTERRA ECORIDE2013 to 2015

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