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Updated Nov 5, 2026
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Proterra recalls
19 NHTSA vehicle recalls since 2010 across 2 models.
Models
Catalyst
17
ZX5
7
Latest Proterra recalls
24V655000 · Phoenix Motorcars
2019–2022 Proterra Catalyst, Proterra ZX5
The vehicle controller software may allow the electrical circuit for the radiator fan to overheat.
Electrical
Free software update
483
units
Sep 2024
23V697000 · Proterra Operating Company, Inc.
2019–2022 Proterra Catalyst, Proterra ZX5
A transistor inside the inverter may overheat and fail, which can result in a loss of power steering and drive power.
Electrical
Free replacement
238
units
Oct 2023
23V078000 · Proterra Operating Company, Inc.
2020–2022 Proterra Catalyst, Proterra ZX5
The windshield wiper motors may operate intermittently or may fail to operate.
Camera, lights & visibility
Free replacement
252
units
Feb 2023
22V887000 · Proterra Operating Company, Inc.
2017–2019 Proterra Catalyst
One or more battery packs may allow liquid to leak into and accumulate in the battery pack enclosure.
Electrical
Free software update
300
units
Nov 2022
22V855000 · Proterra Operating Company, Inc.
2019–2022 Proterra Catalyst, Proterra ZX5
Back pressure in the shared air exhaust for the pneumatic ride height system and parking brake control valve may engage the…
Brakes & stability
Free repair
386
units
Nov 2022
22V829000 · Proterra Operating Company, Inc.
2022 Proterra ZX5
The interlock override switch was not installed during production.
Electrical
Free repair
3
units
Nov 2022
22V114000 · Proterra, Inc.
2015–2022 Proterra Catalyst, Proterra ZX5
The plexus adhesive between the torque limiter plate and the bus body may be insufficient, causing the bolts that secure the…
Steering & suspension
Free repair
724
units
Feb 2022
21V268000 · Proterra, Inc.
2019–2020 Proterra Catalyst
A software defect in the body controller that operates the door motor may allow the rear door to open unexpectedly.
Electrical
Free software update
12
units
Apr 2021
21V040000 · Proterra, Inc.
2020–2021 Proterra ZX5
These vehicles have a front fender flare which may cause mud, dirt, debris, rain and snow to splash onto the driver's side window…
Body & latches
Free repair
21
units
Feb 2021
20V664000 · Proterra Inc.
2018–2020 Proterra Catalyst
Lack of plexus adhesive between the torque plate and the vehicle chassis may cause the bolts securing the steering gear box to…
Steering & suspension
Free repair
5
units
Oct 2020
20V621000 · Proterra Inc.
2019–2020 Proterra Catalyst
The power steering hose located at the pump and reservoir may leak and sweat fluid through the hose.
Steering & suspension
Free replacement
8
units
Oct 2020
19V871000 · Proterra Inc.
2019 Proterra Catalyst
A body controller software update may have disabled the audible and visible warnings that notifies the operator that the brake…
Electrical
Free software update
140
units
Dec 2019
19V460000 · Proterra Inc.
2018–2019 Proterra Catalyst
Temperature and vibration stresses may cause the tempered glass roof hatch to shatter.
Body & latches
Free replacement
21
units
Jun 2019
19V402000 · Proterra Inc.
2017–2018 Proterra Catalyst
The vehicles are equipped with swivel valves that may insufficiently protect the air brake system from an air leak between the…
Brakes & stability
Free replacement
147
units
May 2019
19V283000 · Proterra Inc.
2015–2018 Proterra Catalyst
The mesh cap covering the airline for the tow fitting can be clogged with road debris in inclement weather, possibly resulting in…
Brakes & stability
Free repair
39
units
Apr 2019
19V062000 · Proterra Inc.
2015–2018 Proterra Catalyst
The affected vehicles are equipped with a four point height control system that may cause a load imbalance, overloading the front…
Steering & suspension
Free repair
310
units
Jan 2019
19V061000 · Proterra Inc.
2016–2018 Proterra Catalyst
The affected vehicles lack a Graham White air brake supply reservoir, possibly resulting in long term moisture build up in the…
Brakes & stability
Free repair
55
units
Jan 2019
19V034000 · Proterra Inc.
2015–2018 Proterra Catalyst
The certification label may list an incorrect gross front axle weight rating and/or incorrect tire pressures.
Equipment
Free replacement
184
units
Jan 2019
18V750000 · Proterra
2016–2017 Proterra Catalyst
Surface roughness of a guide pin in the radial brake calipers may cause the brake carriage guide pin support bolt to break.
Brakes & stability
Free replacement
62
units
Oct 2018
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