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Service bulletin SC-20-089

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 id10178212
Published by NHTSA2020-08-14
Manufacturer's numberSC-20-089
Manufacturer's date2020-07-23
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

This retrofit ensures that the Koni Shock Absorbers are torqued to the correct value as established by the shock manufacturer.

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

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