By year
Owner complaints about Proterra vehicles peaked at 1 in 2024
Owner complaints filed with NHTSA, 2018 to 2026. 2026 runs through October.
Source: NHTSA ODI complaints and recalls files. Complaints are not verified by NHTSA.
Make
Proterra
The complete NHTSA record for Proterra vehicles: owner complaints, recall campaigns, defect investigations and manufacturer communications, for every model and model year on file.
Most Proterra recalls are filed by Proterra.
Owner complaints in the last five years11 on file in all, across 2 models
Recall campaigns219 in five years
Severity index0.0Crash, fire, injury or death per 100 complaints
Investigations1248 service bulletins
Components
Electrical system draws the most owner complaints about Proterra vehicles, 100% of them
Share of all owner complaints on file, by component.
Source: NHTSA ODI.
Models
The Catalyst has the most complaints of any Proterra model
Every Proterra model with complaints or recalls on file, by complaints. Counts are not rates: NHTSA publishes no sales volumes.
| Model | Model years | Complaints | Severity index | Recalls | Investigations |
|---|---|---|---|---|---|
| Catalyst | 2015 to 2022 | 1 | 0.0 | 52 | 3 |
| ZX5 | 2015 to 2023 | 0 | None | 23 | 0 |
Source: NHTSA ODI. Recall counts add campaigns across model years, so a campaign covering three years counts three times.
Latest recalls
Recent campaigns listing a Proterra product
- 24V-655 Sep 6, 2024
Vehicle controller software may allow the electrical circuit for the radiator fan to overheat
Electrical system · 483 vehicles - 23V-697 Oct 17, 2023
Transistor inside the inverter may overheat and fail, which can result in a loss of power steering and drive power
Electrical system · 238 vehicles - 23V-078 Feb 13, 2023
Windshield wiper motors may operate intermittently or may fail to operate
Visibility and wipers · 252 vehicles - 22V-887 Nov 30, 2022
One or more battery packs may allow liquid to leak into and accumulate in the battery pack enclosure
Electrical system · 300 vehicles - 22V-855 Nov 18, 2022
Back pressure in the shared air exhaust for the pneumatic ride height system and parking brake control valve may engage the parking brake while…
Brakes · 386 vehicles - 22V-829 Nov 7, 2022
Interlock override switch was not installed during production
Electrical system · 3 vehicles - 22E-065 Jul 29, 2022
Insufficient connection in the battery pack may cause the battery management system to shut down unexpectedly
Electrical system · 99 vehicles - 22E-052 Jun 21, 2022
High voltage battery cable may not be properly connected, which can cause a loss of electrical power or a ground short circuit
Electrical system · 185 vehicles - 22V-114 Feb 28, 2022
Plexus adhesive between the torque limiter plate and the bus body may be insufficient, causing the bolts that secure the steering gearbox to loosen
Steering · 724 vehicles - 21V-268 Apr 19, 2021
Software defect in the body controller that operates the door motor may allow the rear door to open unexpectedly
Electrical system · 12 vehicles
Source: NHTSA ODI recalls file.