vehicle signal
U.S. public vehicle records

2020 Proterra CATALYST: complaints, problems and recalls

Explore the records behind recurring owner reports.

Key facts

0 owner complaints analyzed

8 distinct recall campaigns

Not available median reported failure mileage

Scope: 2020 model year. Data snapshot: . 0 complaints include usable failure mileage.

Owner-reported patterns

Most common problems

No owner complaints are recorded for this selection. A complaint can name multiple components.

Component breakdown

Number of unique complaints naming each component. Top eight shown.

No usable records for this chart.

Component breakdown data
CategoryCount

No records.

Reported problems by failure mileage

Complaint counts in mileage bands. These are not failure rates per vehicle or mile.

Under 25,000
0
25,000 to 49,999
0
50,000 to 74,999
0
75,000 to 99,999
0
100,000 to 149,999
0
150,000 and above
0
Reported problems by failure mileage data
CategoryCount
Under 25,0000
25,000 to 49,9990
50,000 to 74,9990
75,000 to 99,9990
100,000 to 149,9990
150,000 and above0

Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0

No usable failure mileage is recorded. 0 complaints have missing, zero or invalid mileage.

Complaints over time

Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.

No usable records for this chart.

Complaints over time data
CategoryCount

No records.

Pattern summary

There is not enough complaint evidence to summarize patterns.

Calculated from recorded counts. An AI narrative has not been published for this selection.

Examples from the source records

Examples provide context, not a representative sample or a verified diagnosis.

Recall history

8 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.

20V621000 · Steering:Hydraulic Power Assist:Hose, Piping, And Connections

Reported: 2020-10-07 (October 7, 2020)

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.

Consequence: A power steering fluid leak can increase the risk of a crash.

Remedy: Proterra will notify owners, and dealers will inspect and replace the power steering hose, free of charge. The recall began October 6, 2020. Owners may contact Proterra customer service at 1-864-438-0000. Proterra's number for this recall is SC-20-141.

NHTSA campaign record ↗
20V664000 · Steering:Gear Box (Other Than Rack And Pinion)

Reported: 2020-10-28 (October 28, 2020)

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.

Consequence: An unsecured steering gear box could cause the driver to lose the ability to steer the vehicle, increasing the risk of crash or injury.

Remedy: Proterra will notify owners, and dealers will inspect the steering gear mounting bolts and the plexus adhesive layer between the torque plate and the chassis. If the plexus adhesive layer is missing or insufficient, the components will be repaired, free of charge. The recall began December 10, 2020. Owners may contact Proterra customer service at 1-864-438-0000. Proterra's number for this recall is SC-20-154.

NHTSA campaign record ↗
21V268000 · Electrical System:Software

Reported: 2021-04-19 (April 19, 2021)

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.

Consequence: The rear door may open without the driver's awareness, increasing the risk of injury.

Remedy: Proterra will notify owners, and dealers will update the software, free of charge. Owner notification letters were mailed on June 11, 2021. Owners may contact Proterra customer service at 1-864-438-0000.

NHTSA campaign record ↗
22V114000 · Steering:Gear Box (Other Than Rack And Pinion)

Reported: 2022-02-28 (February 28, 2022)

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.

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.

NHTSA campaign record ↗
22V855000 · Parking Brake

Reported: 2022-11-18 (November 18, 2022)

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.

NHTSA campaign record ↗
23V078000 · Visibility:Windshield Wiper/Washer:Motor

Reported: 2023-02-13 (February 13, 2023)

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."

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.

NHTSA campaign record ↗
23V697000 · Electrical System

Reported: 2023-10-17 (October 17, 2023)

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.

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.

NHTSA campaign record ↗
24V655000 · Electrical System

Reported: 2024-09-06 (September 6, 2024)

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.

NHTSA campaign record ↗