Proterra recalls
19 NHTSA recall campaigns filed since 2000 that affect Proterra vehicles, newest first. Last verified Sep 13, 2026.
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- 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 30, 2022Fire risk2017–2019 Proterra Catalyst — Electrical System
Proterra Operation Company, Inc. (Proterra) is recalling certain 2017-2019 Catalyst transit buses. One or more battery packs may allow liquid to leak into and accumulate in the battery pack enclosure.
22V887000 · 300 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.
- Nov 7, 2022Crash risk2022 Proterra ZX5 — Electrical System
Proterra Operating Company, Inc. (Proterra) is recalling certain 2022 ZX5 transit buses. The interlock override switch was not installed during production.
22V829000 · 3 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.
- Feb 1, 2021Crash risk2020–2021 Proterra ZX5 — Structure
Proterra, Inc. (Proterra) is recalling certain 2020-2021 40' ZX5 vehicles. These vehicles have a front fender flare which may cause mud, dirt, debris, rain and snow to splash onto the driver's side window and mirror.
21V040000 · 21 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.
- Dec 9, 2019Fire risk2019 Proterra Catalyst — Electrical System
Proterra, Inc. (Proterra) is recalling certain 2019 Catalyst buses. A body controller software update may have disabled the audible and visible warnings that notifies the operator that the brake interlock could be engaged.
19V871000 · 140 units · Proterra Inc.
- Jun 14, 2019Crash risk2018–2019 Proterra Catalyst — Structure
Proterra, Inc. (Proterra) is recalling certain 2018-2019 Catalyst buses equipped with a certain batch of glass roof hatches. Temperature and vibration stresses may cause the tempered glass roof hatch to shatter.
19V460000 · 21 units · Proterra Inc.
- May 30, 2019Crash risk2017–2018 Proterra Catalyst — Service Brakes, Air
Proterra, Inc. (Proterra) is recalling certain 2017-2018 Catalyst buses. The vehicles are equipped with swivel valves that may insufficiently protect the air brake system from an air leak between the service reservoir and the source of air pressure. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems."
19V402000 · 147 units · Proterra Inc.
- Apr 9, 2019Fire risk2015–2018 Proterra Catalyst — Service Brakes
Proterra, Inc. (Proterra) is recalling certain 2015-2018 Catalyst 40 buses equipped with an optional tow fitting and airline that allows a tow truck to operate the rear brakes on the vehicle. The mesh cap covering the airline for the tow fitting can be clogged with road debris in inclement weather, possibly resulting in a build up of air pressure in the rear brake system.
19V283000 · 39 units · Proterra Inc.
- Jan 30, 2019Crash risk2015–2018 Proterra Catalyst — Tires
Proterra Inc., (Proterra) is recalling certain 2015-2018 Catalyst 40 and 35 transit buses. The affected vehicles are equipped with a four point height control system that may cause a load imbalance, overloading the front tires.
19V062000 · 310 units · Proterra Inc.
- Jan 29, 2019Crash risk2016–2018 Proterra Catalyst — Service Brakes, Air
Proterra Inc., (Proterra) is recalling certain 2015-2018 Catalyst 40 transit buses. The affected vehicles lack a Graham White air brake supply reservoir, possibly resulting in long term moisture build up in the air brake system. As a result, these vehicles fail to comply with Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems."
19V061000 · 55 units · Proterra Inc.
- Jan 16, 2019Crash risk2015–2018 Proterra Catalyst — Equipment
Proterra, Inc is recalling certain 2015-2018 Catalyst 40, and Catalyst 35 buses. The certification label may list an incorrect gross front axle weight rating and/or incorrect tire pressures. As such, these vehicles fail to comply with the requirements of 49 CFR Part 567, "Certification."
19V034000 · 184 units · Proterra Inc.
- Oct 23, 2018Crash risk2016–2017 Proterra Catalyst — Service Brakes, Air
Proterra is recalling certain 2016-2017 Proterra Catalyst 40 transit buses equipped with axles with radial air disk brakes. Surface roughness of a guide pin in the radial brake calipers may cause the brake carriage guide pin support bolt to break.
18V750000 · 62 units · Proterra