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Service bulletin FC-22-093

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 id11013170
Published by NHTSA2025-01-28
Manufacturer's numberFC-22-093
Manufacturer's date2022-08-16
Campaign id or software versionFC-22-093
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

Fleet check and repair instructions for the heavy duty electric transit vehicles to ensure the door pressure is in the optimal range.

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.

Vehicles listed
PROTERRA ZX52021

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