01 / OFFICIAL CAMPAIGNS
2022 Proterra Catalyst recall campaigns
NHTSA 23V697000
- Component
- ELECTRICAL SYSTEM
- Report received
- October 17, 2023
- Potential units
- 238campaign-wide
Defect and consequence
Defect: 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.
Why it matters: 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.
Owner notification: December 16, 2024 · Filing manufacturer: Proterra Operating Company, Inc.
NHTSA 23V078000
- Component
- VISIBILITY
- Report received
- February 13, 2023
- Potential units
- 252campaign-wide
Defect and consequence
Defect: Proterra Operating Company, Inc. (Proterra) is recalling certain 2020-2022 35" Catalyst, 35" ZX5, and 40" ZX5 vehicles. The windshield wiper motors may operate intermittently or may fail to operate. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 104, "Windshield Wiping and Washing Systems.".
Why it matters: Inoperative windshield wipers can reduce visibility in certain driving conditions, increasing the risk of a crash.
Remedy
Dealers will replace the wiper motors, free of charge. Owner notification letters were mailed April 3, 2023. Owners may contact Proterra customer service at 1-864-438-0000.
Owner notification: April 3, 2023 · Filing manufacturer: Proterra Operating Company, Inc.
NHTSA 22V114000
- Component
- STEERING
- Report received
- February 28, 2022
- Potential units
- 724campaign-wide
Defect and consequence
Defect: Proterra, Inc. (Proterra) is recalling certain 2017-2019 35 foot Catalyst E2, 2017-2019 40 foot E2, 2020-2021 35 foot RR, 2019-2020 40 foot RR, 2019-2022 40 foot ZX5, and 2020-2022 35 foot ZX5 buses. The plexus adhesive between the torque limiter plate and the bus body may be insufficient, causing the bolts that secure the steering gearbox to loosen.
Why it matters: A loose steering gearbox can cause a loss of steering control, increasing the risk of a crash.
Remedy
Dealers will install a mechanical fastener and new bolts on the steering gearbox, and install a new torque plate, as necessary, free of charge. Owner notification letters were mailed October 7, 2022. Owners may contact Proterra's customer service at 1-864-438-0000.
Owner notification: October 7, 2022 · Filing manufacturer: Proterra, Inc.
02 / COMPONENT BREADTH