Safety Recall NHTSA · 22V855000 Reported November 18, 2022

Parking brake can unintentionally engage

Q: What is recall 22V855000?

NHTSA recall 22V855000 was issued by Proterra Operating Company, Inc. on November 18, 2022. It addresses: Parking brake can unintentionally engage. The recall affects approximately 386 vehicles , with the defect involving the N/A component.

Q: Is my vehicle included in this recall?

The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls . NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.

Q: How long do I have to get a recall repair done?

There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.

Proterra Operating Company, Inc. · N/A · 386 vehicles potentially affected

NHTSA ID

22V855000

Manufacturer Campaign

SC-22-158

Manufacturer

Proterra Operating Company, Inc.

Component

N/A

Vehicles Affected

386

Recall Type

Vehicle

Report Received

November 18, 2022

Completion Rate

88.08

Defect Summary

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.

Safety Consequence

Unintentional engagement of the parking brake increases the risk of a crash.

Corrective Action

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.

What you should do

Look up your VIN at nhtsa.gov/recalls to confirm this recall applies to your vehicle.
Contact an authorized Proterra Operating Company, Inc. dealer and reference recall ID 22V855000 or campaign SC-22-158.
Schedule the free repair. By federal law, the manufacturer must remedy the defect at no cost.

View Official NHTSA Notice →

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FAQ: Recall 22V855000

Your rights, the repair process, and what each field on this page means.

What is recall 22V855000?

NHTSA recall 22V855000 was issued by Proterra Operating Company, Inc. on November 18, 2022. It addresses: Parking brake can unintentionally engage. The recall affects approximately 386 vehicles, with the defect involving the N/A component.

How do I get this recall repaired?

Contact any authorized Proterra Operating Company, Inc. dealer and reference NHTSA recall ID 22V855000 or the manufacturer campaign number SC-22-158. Under federal law, the repair is completely free regardless of vehicle age or owner history.

Is my vehicle included in this recall?

The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.

How long do I have to get a recall repair done?

There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.

Where does the data on this page come from?

All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.