Skip to content
Use caution Vehicle recall · NHTSA · Published February 13, 2023

Proterra Catalyst 2021 Vehicles: Inoperative Wipers Increase Crash Risk

Proterra is recalling certain 2020-2022 Catalyst and ZX5 electric buses due to windshield wiper motor failures that could reduce visibility and increase crash risk. Owners should contact Proterra for free wiper motor replacement.

🇺🇸 NHTSA recall #23V078000VehicleProterra ›
Take action

Contact the company

✎ GovInfoNow plain-language explainer

What happened, in plain English

Proterra is recalling certain 2020-2022 Catalyst and ZX5 electric buses because their windshield wiper motors may stop working, reducing visibility and increasing crash risk. Affected owners should get free wiper motor replacements from dealers. Read more at govinfonow.com/recall/80651-proterra-catalyst-2021-vehicles-inoperative-wipers-increase-crash-risk.

Source Summary by GovInfoNow · govinfonow.com/recall/80651-proterra-catalyst-2021-vehicles-inoperative-wipers-increase-crash-risk · Updated October 4, 2026 · Official notice: NHTSA #23V078000

Cite this page

“Proterra Catalyst 2021 Vehicles: Inoperative Wipers Increase Crash Risk.” GovInfoNow, updated October 4, 2026. https://govinfonow.com/recall/80651-proterra-catalyst-2021-vehicles-inoperative-wipers-increase-crash-risk. Based on NHTSA recall #23V078000 (https://www.nhtsa.gov/recalls?nhtsaId=23V078000).

Why it’s dangerous

The windshield wiper motors may stop working intermittently or completely, especially in wet conditions. This reduces visibility during rain or snow, increasing the chance of a crash.

Who’s affected

Owners of Proterra 2020-2022 Catalyst and ZX5 electric buses are affected. Drivers using these vehicles in rain or poor visibility conditions are most at risk.

How to tell if you have this one

Check if your vehicle has a Proterra 2020-2022 Catalyst or ZX5 model. The recall covers specific electric buses with windshield wiper motors that may fail.

  • Brand
    Proterra
  • Category
    Vehicle
Based on the official NHTSA remedy

What to do — step by step

  1. Contact Proterra

    Call 1-864-438-0000 to schedule a free wiper motor replacement at a dealer.

Official remedy

What NHTSA says to do

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.

How this recall unfolded

Recall timeline

Owners were mailed letters 49 days after NHTSA received the defect report.

1. NHTSA received the defect report: Feb 13, 202312. Owner letters mailed: Apr 3, 202322023
  1. NHTSA received the defect report
  2. Owner letters mailed

Dates from the agency record only; steps without a date are left out.

Take action

Contact Proterra

We’ve drafted a message you can send Proterra to request your refund or repair — edit it as you like.

Subject: Recall 23V078000 — Proterra Catalyst 2021 Vehicles: Inoperative Wipers Increase Crash Risk

Hello,

I own a Proterra Catalyst 2021 Vehicles: Inoperative Wipers Increase Crash Risk that is covered by recall 23V078000 from Proterra.

The official recall notice states: 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.

I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this?

Thank you.

Keep exploring

Where this comes from

The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.

  • Official source: NHTSA Recall #23V078000 (February 13, 2023)
  • Plain-language summary written by qwen3:4b on October 4, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
  • GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.
GovInfoNow is an independent guide. We are not NHTSA or any government agency. Always confirm details with the official recall.Data: CPSC · FDA · NHTSA · USDA