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Service bulletin SC-22-044

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 id11010912
Published by NHTSA2024-12-02
Manufacturer's numberSC-22-044
Manufacturer's date2023-08-08
Campaign id or software versionSC-22-044
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Bulletin instructions for rotating the ambient temp sensor 180deg on transit buses to reduce road debris from accumulating on the temp sensor.

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 CATALYST2019 to 2021
PROTERRA ZX52019 to 2023

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