What Proterra Catalyst owners have reported to NHTSA, the service bulletins the manufacturer sent dealers, and any federal defect investigations, by model year. See Proterra Catalyst safety recalls or check your VIN.
Complaints owners filed with NHTSA, by the model year of the vehicle. A high count can also mean a popular year, so compare it with how many were sold.
| Year | Complaints | Crashes | Fires | Injured | Deaths | TSBs |
|---|---|---|---|---|---|---|
| 2021 | 1 | 0 | 0 | 0 | 0 | 55 |
| 2020 | 0 | 0 | 0 | 0 | 0 | 110 |
| 2019 | 0 | 0 | 0 | 0 | 0 | 146 |
| 2018 | 0 | 0 | 0 | 0 | 0 | 74 |
| 2017 | 0 | 0 | 0 | 0 | 0 | 41 |
| 2016 | 0 | 0 | 0 | 0 | 0 | 15 |
| 2015 | 0 | 0 | 0 | 0 | 0 | 11 |
The vehicle systems named most often in Proterra Catalyst complaints (one complaint can name several).
In the owners’ own words, as filed with NHTSA. Unverified reports; NHTSA removes personal details before publishing.
The contact called on behalf of the University that owns several 2021 Proterra Catalyst Transit Bus. The University received notification of NHTSA Campaign Number: 23V697000 (Electrical System); however, the part to do the recall repair was unavailable. The local dealer was contacted, and it was confirmed that the part was not available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact stated that there was an unstated electrical failure with one of the buses, rendering the bus inoperable. The cause of the failure was not yet determined. The vehicle was not repaired. The contact …
Repair instructions and other communications the manufacturer sent dealers about known issues. A TSB is not a recall, and the repair is usually free only while the car is under warranty; ask your dealer for the bulletin number.
Repair instructions for PP1 valve to prevent the parking brake from engaging while the vehicle is kneeling to allow for customers to enter and exit the vehicle.
The procedure describes the process of updating the body controller to remove a 2.5 second delay to a door open request.
Software update for the 800vRRs Vehicle and Body Software to reduce the radiator fan current draw to 80%. Additionally corrects a bug to properly route ESM faults away from the coolant light icon.
Repair instructions to support transit buses when a charge shunt fails. If the installed charge shunt were to fail we can replace with the original shunt installed, therefore this instruction set provides documentation for installing an alternative.
BMS software update to the latest version. It improves current sensors performance and adjusts the isolation fault threshold value.
Relocation of the air compressors intake as well as adding a preliminary filter at the top of the air intake.
The procedure describes the process of updating the Customer CAN Gateway to improve data retrieval on specific customer ITS equipment on ZX5 vehicles.
Service bulletin fleet check for the transit buses due to potential missing split blocks on DuoPower Vehicles.
Replaces curb side Duopower motor when failure occurs.
This procedure adds improved caps to the coolant system for 800V buses.
This procedure describes the process for updating the 800VRR Prodrive Vehicle, Powertrain, Body Controller, ESM and Charge Controller software to BuSCoM 2.0.
This procedure describes the process for updating the 800VvRR DuoPower Vehicle, Powertrain, Body Controller, ESM and Charge Controller software to BuSCoM 2.0.
NHTSA’s Office of Defects Investigation opens these when complaints point to a possible safety defect. Many end in a recall.
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, Proterra mailed an interim owner notification letter stating that Proterra would physically inspect and analyze each recalled battery pack. In October 2023, Proterra amended their filing to now cover 300
Source: NHTSA Office of Defects Investigation public data (complaints, manufacturer communications, investigations), model years 2010 and later. Had a safety problem? Report it to NHTSA.
In complaints filed with NHTSA for model years 2015–2021, owners most often name: electrical system. 1 complaints are on record.
No. A complaint is an unverified report from an owner. A technical service bulletin (TSB) is the manufacturer telling dealers how to fix a known issue; it is not a safety recall and is usually covered only under warranty. A recall is a formal safety action, and its repair is free.
File a vehicle safety complaint at NHTSA.gov. NHTSA reads every report, and patterns of complaints are what open defect investigations and, eventually, recalls.