WenmarOpen by Wenmar Pro

Service bulletin SC-20-064

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 id11014027
Published by NHTSA2025-02-08
Manufacturer's numberSC-20-064
Manufacturer's date2020-10-13
Campaign id or software versionSC-20-064
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Transit bus repair to the aux heat convectors to secure wiring harness, it was found the previous adhesive material used would debond when heated.

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
PROTERRA ZX52019 to 2021

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