2020 Proterra Catalyst recalls
8 NHTSA recall campaigns naming the 2020 Proterra Catalyst. Last verified Jul 30, 2026. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Units are totals reported across campaigns mentioning this model — NHTSA does not always break unit counts down by model.
Affected components
Nearby model years
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Campaigns
- Sep 6, 2024Fire risk2019–2021 Proterra Catalyst, 2020–2022 Proterra ZX5 — Electrical System
Phoenix Motorcars (Phoenix) is recalling certain 2019-2021 800V Catalyst and 2020-2022 ZX5 transit buses. The vehicle controller software may allow the electrical circuit for the radiator fan to overheat.
24V655000 · 483 units · Phoenix Motorcars
- Oct 17, 2023Crash risk2019–2022 Proterra Catalyst, 2019–2022 Proterra ZX5 — Electrical System
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.
23V697000 · 238 units · Proterra Operating Company, Inc.
- Feb 13, 2023Crash risk2020–2022 Proterra Catalyst, 2020–2022 Proterra ZX5 — Visibility
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."
23V078000 · 252 units · Proterra Operating Company, Inc.
- Nov 18, 2022Crash risk2020–2021 Proterra Catalyst, 2019–2022 Proterra ZX5 — Parking Brake
Proterra Operating Company, Inc. (Proterra) is recalling certain 2020-2021 Catalyst and 2019-2022 ZX5 transit buses. Back pressure in the shared air exhaust for the pneumatic ride height system and parking brake control valve may engage the parking brake while the vehicle is in motion.
22V855000 · 386 units · Proterra Operating Company, Inc.
- Feb 28, 2022Crash risk2015–2022 Proterra Catalyst, 2015–2022 Proterra ZX5 — Steering
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.
22V114000 · 724 units · Proterra, Inc.
- Apr 19, 2021Crash risk2019–2020 Proterra Catalyst — Electrical System
Proterra, Inc. (Proterra) is recalling certain 2019-2020 Catalyst 40 foot buses. A software defect in the body controller that operates the door motor may allow the rear door to open unexpectedly.
21V268000 · 12 units · Proterra, Inc.
- Oct 28, 2020Crash risk2018–2020 Proterra Catalyst — Steering
Proterra Inc. (Proterra) is recalling certain 2018-2020 35 foot and 40 foot Catalyst buses. Lack of plexus adhesive between the torque plate and the vehicle chassis may cause the bolts securing the steering gear box to loosen.
20V664000 · 5 units · Proterra Inc.
- Oct 7, 2020Crash risk2019–2020 Proterra Catalyst — Steering
Proterra Inc. (Proterra) is recalling certain 2019-2020 Battery-Electric 40' Catalyst and 2020 Battery-Electric 35' Catalyst buses. The power steering hose located at the pump and reservoir may leak and sweat fluid through the hose.
20V621000 · 8 units · Proterra Inc.