2021 PROTERRA CATALYST
5 recalls, 1 complaints
24V655000 Sep 6, 2024
ELECTRICAL SYSTEM
Defect Description
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.
Consequence
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.
23V697000 Oct 17, 2023
ELECTRICAL SYSTEM
Defect Description
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 pow... Read more
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.
23V078000 Feb 13, 2023
VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR
Defect Description
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 Standa... Read more
Consequence
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.
22V855000 Nov 18, 2022
PARKING BRAKE
Defect Description
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.
Consequence
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.
22V114000 Feb 28, 2022
STEERING:GEAR BOX (OTHER THAN RACK AND PINION)
Defect Description
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 ... Read more
Consequence
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.
Complaint Statistics
1 total complaints
Top Reported Components
| Component | Complaints |
|---|---|
| POWER TRAIN | 1 |
POWER TRAIN
Sep 25, 2024
Incident date: Jan 2, 2024
While driving my son to school, traffic began slowing and then accelerating in front of me. I was driving approximately 40 mph when I took my foot off the accelerator to slow down. Before I had a chance to press the brake, the vehicle shifted into neutral on it own without the shift level being to... Read more
NHTSA Safety Investigations, PROTERRA CATALYST
Investigations opened by NHTSA into potential safety defects. These are separate from recalls and may or may not result in a recall.
RQ25001
Opened: Jun 27, 2025
Remedy Effectiveness of Recall 22V887
In November 2022, Proterra Operating Company, Inc. (Proterra) filed a safety recall (NHTSA recall 22V887) covering nineteen 2017-2019 Proterra Catalyst transit buses to address the potential of liquid accumulation in the 400-volt battery packs, increasing the risk of a fire. On December 16, 2022, Pr... Read more
PROTERRA CATALYST - All Years Overview
Complete safety history for the PROTERRA CATALYST across all model years (2015, 2022).
52
Total Recalls
1
Total Complaints
1
Investigations
0
Reported Crashes
0
Reported Fires
0
Reported Deaths