---
title: "PROTERRA ZX5 (2019) - Recall 22V855000 — NHTSA record 213897 | Is It on Recall"
description: "Proterra Operating Company, Inc. (Proterra) is recalling certain 2020-2021 Catalyst and 2019-2022 ZX5 transit buses. Back pressure in the shared air exhaust for"
url: https://isitonrecall.com/recall/nhtsa-213897-proterra-zx5-2019-recall-22v855000/
updated: 2026-10-01
site: "Is It on Recall"
language: en
---

[Recall archive](https://isitonrecall.com/archives/) / NHTSA

# PROTERRA ZX5 (2019) - Recall 22V855000 — NHTSA record 213897

Published notice; closure not supplied

A campaign record does not say whether this individual vehicle has received the remedy. Check the VIN with NHTSA or the manufacturer.

Source date Nov 18, 2022. Retrieved Oct 1, 2026. Last updated Oct 1, 2026.

Archive changed Oct 1, 2026. USDA FSIS records are unavailable; [check FSIS directly](https://www.fsis.usda.gov/recalls). [Source coverage and dates](https://isitonrecall.com/sources/).

## What the record says

- **Product**: PROTERRA ZX5 (2019) - Recall 22V855000
- **Reason**: Proterra Operating Company, Inc. (Proterra) is recalling certain 2020-2021 Catalyst and 2019-2022 ZX5 transit buses. Back pressure in the shared air exhaust for the pneumatic ride height system and parking brake control valve may engage the parking brake while the vehicle is in motion. Unintentional engagement of the parking brake increases the risk of a crash.
- **Classification**: Not supplied
- **Recalling firm**: Proterra Operating Company, Inc.
- **Quantity**: 386
- **Agency-reported status**: Published safety recall
- **Source record identifier**: 213897

[Open the official record](https://api.nhtsa.gov/recalls/campaignNumber?campaignNumber=22V855000)

## Lot and product identifiers

| Label field | Details supplied by the agency |
| --- | --- |
| Lot, code or applicability | Product applicability: PROTERRA ZX5; model year 2019. Check the model identifiers and, for a vehicle, the VIN on the official recall site. |

Match all identifying details in the current notice. A brand name alone is not enough.

## Distribution

Not supplied

No US distribution state could be established from this record. Check the official notice.

## Dates in the source

- **Report received**: Nov 18, 2022
- **Owner notification**: Dec 21, 2022
- **Record created**: Nov 21, 2022

FDA company pages use the listing date; enforcement records use initiation dates; CPSC uses recall date; NHTSA uses report-received date. These dates are not interchangeable.

## What to do next

Proterra will install a redesigned air circuit, free of charge. Owner notification letters were mailed on December 21, 2022. Owners may contact Proterra's customer service at 1-864-438-0000.

[Read the current instructions](https://api.nhtsa.gov/recalls/campaignNumber?campaignNumber=22V855000)

Use [NHTSA's VIN check](https://www.nhtsa.gov/recalls) to check an individual vehicle and its remedy status.

## Related records

[Vehicles records](https://isitonrecall.com/product/cars/) [Vehicles and equipment records](https://isitonrecall.com/category/vehicles/) [Proterra Operating Company, Inc. records](https://isitonrecall.com/brand/proterra-operating-company-inc/)