Campaign 23V-697

Transistor inside the inverter may overheat and fail, which can result in a loss of power steering and drive power

Defect summary

Proterra Operating Company, Inc. (Proterra) is recalling certain 2019-2022 40' and 35' Catalyst 800V transit buses equipped with ProDrive 1.0, and 40' and 35' ZX5 800V transit buses equipped with ProDrive 1.0. A transistor inside the inverter may overheat and fail, which can result in a loss of power steering and drive power.

Consequence

A loss of power steering and/or drive power increases the risk of a crash.

Remedy

Dealers will replace the inverter, free of charge. Owner notification letters were mailed December 16, 2023. Owners may contact Proterra customer service at 1-864-438-0000.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Source: NHTSA ODI recalls file, campaign 23V697000. Text as published by NHTSA.

Vehicles covered

2 product lines are covered

Owner complaints filed with NHTSA about electrical system on these vehicles: 1, of which 0 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 23V-697
Make	Model	Model years	Complaints on this component
Proterra	Catalyst	2019 to 2022	1
Proterra	ZX5	2019 to 2022	0

Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.

Investigation

No NHTSA investigation is linked to this recall

Most recalls are started by the manufacturer. This one lists "Manufacturer" as its origin.

Before the recall

44 service bulletins on this component came first

Distinct manufacturer communications on the same component group, make, model and model year in the 24 months before the report date.

Source: NHTSA manufacturer communications file.

Service bulletins

22V-887 Nov 30, 2022
One or more battery packs may allow liquid to leak into and accumulate in the battery pack enclosure
22V-829 Nov 7, 2022
Interlock override switch was not installed during production
22E-065 Jul 29, 2022
Insufficient connection in the battery pack may cause the battery management system to shut down unexpectedly
22E-052 Jun 21, 2022
High voltage battery cable may not be properly connected, which can cause a loss of electrical power or a ground short circuit