Manufacturer profile

Proterra

Proterra has filed 13 recall campaigns with NHTSA since 2018, covering 1,728 vehicles or units by the manufacturer's own estimates.

Makes in its campaigns
Campaigns filed in 2026 to date0No campaigns in 2025
Vehicles affected02026 to date
Campaigns on file132018 to 2022
Do-not-drive or park-outside0Campaigns with an advisory

Filed under 3 names, including "Proterra Inc.", "Proterra, Inc.", "Proterra".

Campaigns per year

Proterra has averaged 1 campaigns a year since 2021, below its 2019 peak of 7

Proterra recall campaigns by report date, 2018 to 2026. 2026 runs through October.

024682018201972020202120222023202420252026
Source: NHTSA ODI recalls file. The lighter column is a partial year.
Components

Brakes are Proterra's most recalled component since 2018

Proterra campaigns by primary component, 2018 to 2026.

Brakes
4
Steering
3
Electrical system
2
Structure
2
Suspension
1
Equipment
1
Source: NHTSA ODI. Each campaign counted once.
Remedy type

Proterra relies on software fixes more than the industry: 14% of its 2019 campaigns

Share of campaigns remedied by a software update, Proterra against all manufacturers, by year.

ProterraAll manufacturers
020%40%60%2018201920202021202220232024202520260%18%
Source: NHTSA ODI remedy descriptions, classified by rule (see Methodology).
Model years covered

Model year 2018 is covered by the most Proterra campaigns, 8

Proterra campaigns covering each model year, last fifteen model years. A campaign counts once for each year it covers.

02468201520162017201882019202020212022
Source: NHTSA ODI recalls file.
Latest campaigns

The latest Proterra filings

The ten most recent campaigns, by report date.

Latest Proterra campaigns
CampaignFiledSubjectComponentVehiclesRemedy
22V-114Feb 28, 2022Plexus adhesive between the torque limiter plate and the bus body may be insufficient, causing the bolts that secure the steering gearbox to loosenSteering724Repair or modification
21V-268Apr 19, 2021Software defect in the body controller that operates the door motor may allow the rear door to open unexpectedlyElectrical system12Software update
21V-040Feb 1, 2021These vehicles have a front fender flare which may cause mud, dirt, debris, rain and snow to splash onto the driver's side window and mirrorStructure21Repair or modification
20V-664Oct 28, 2020Lack of plexus adhesive between the torque plate and the vehicle chassis may cause the bolts securing the steering gear box to loosenSteering5Repair or modification
20V-621Oct 7, 2020Power steering hose located at the pump and reservoir may leak and sweat fluid through the hoseSteering8Part replacement
19V-871Dec 9, 2019Body controller software update may have disabled the audible and visible warnings that notifies the operator that the brake interlock could be…Electrical system140Software update
19V-460Jun 14, 2019Temperature and vibration stresses may cause the tempered glass roof hatch to shatterStructure21Part replacement
19V-402May 30, 2019Vehicles are equipped with swivel valves that may insufficiently protect the air brake system from an air leak between the service reservoir and…Brakes147Part replacement
19V-283Apr 9, 2019Mesh cap covering the airline for the tow fitting can be clogged with road debris in inclement weather, possibly resulting in a build up of air…Brakes39Repair or modification
19V-062Jan 30, 2019Affected vehicles are equipped with a four point height control system that may cause a load imbalance, overloading the front tiresSuspension310Not stated
Source: NHTSA ODI.
Largest campaigns

Proterra's five largest campaigns on file

Vehicles or units affected, millions, any year.

  1. 2022 Plexus adhesive between the torque limiter…0.00M
  2. 2019 Affected vehicles are equipped with a four…0.00M
  3. 2019 Certification label may list an incorrect…0.00M
  4. 2019 Vehicles are equipped with swivel valves…0.00M
  5. 2019 Body controller software update may have…0.00M
Source: NHTSA ODI.