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2021 Proterra ZX5 — federal recalls on file

6 federal recalls reported for the 2021 Proterra ZX5

These are federal recalls reported for the 2021 Proterra ZX5. A recall may apply only to certain VIN ranges or production windows. To confirm whether your specific VIN is in the affected window, use NHTSA's official per-VIN lookup or enter your VIN on our check page.

24V-655 Open recall Sep 6, 2024

Phoenix Motorcars

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.

Risk: Electrical circuits that overheat increase the risk of a fire.

Remedy: Dealers will update the vehicle software, free of charge. Owner notification letters were mailed October 15, 2024. Owners may contact Phoenix customer service at 1-909-987-0815. The repair is free at any franchised dealer of your brand.

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23V-697 Open recall Oct 17, 2023

Proterra Operating Company, Inc.

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.

Risk: 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. The repair is free at any franchised dealer of your brand.

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23V-078 Open recall Feb 13, 2023

Proterra Operating Company, Inc.

VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR

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."

Risk: 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. The repair is free at any franchised dealer of your brand.

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22V-855 Open recall Nov 18, 2022

Proterra Operating Company, Inc.

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.

Risk: Unintentional engagement of the parking brake increases the risk of a crash.

Remedy: Proterra will install a redesigned air circuit, free of charge. Owner notification letters were mailed on December 21, 2022. Owners may contact Proterra's customer service at 1-864-438-0000. The repair is free at any franchised dealer of your brand.

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22V-114 Open recall Feb 28, 2022

Proterra, Inc.

STEERING:GEAR BOX (OTHER THAN RACK AND PINION)

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.

Risk: 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. The repair is free at any franchised dealer of your brand.

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21V-040 Open recall Feb 1, 2021

Proterra, Inc.

STRUCTURE:BODY

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.

Risk: Driver visibility may become impeded, increasing the risk of a crash.

Remedy: Proterra will notify owners, and dealers will install a retrofit fender flare, free of charge. The recall began February 9, 2021. Owners may contact Proterra customer service 1-864-438-0000. Proterra's number for this recall is SC-21-13. The repair is free at any franchised dealer of your brand.

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