Recall 22V855000 — PARKING BRAKE Defect in 2019-2022 PROTERRA ZX5
RECALL This recall affects up to 386 vehicles.
Recall Summary
| NHTSA Campaign | 22V855000 |
| Manufacturer | Proterra Operating Company, Inc. |
| Vehicles Affected | 386 |
| Component | PARKING BRAKE |
| Date Notified | |
| Affected Vehicles |
Defect 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 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.
Remedy
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.
Related Recalls for PROTERRA
| Campaign | Vehicle | Component | Date | Affected |
|---|---|---|---|---|
| 23V697000 | 2020 PROTERRA CATALYST | ELECTRICAL SYSTEM | 238 | |
| 24V655000 | 2019 PROTERRA CATALYST | ELECTRICAL SYSTEM | 483 | |
| 22V887000 | 2017 PROTERRA CATALYST | ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY | 300 | |
| 23V078000 | 2020 PROTERRA CATALYST | VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR | 252 | |
| 22V829000 | 2022 PROTERRA ZX5 | ELECTRICAL SYSTEM | 3 | |
| 22V114000 | 2020 PROTERRA ZX5 | STEERING:GEAR BOX (OTHER THAN RACK AND PINION) | 724 | |
| 21V268000 | 2019 PROTERRA CATALYST | ELECTRICAL SYSTEM:SOFTWARE | 12 | |
| 21V040000 | 2021 PROTERRA ZX5 | STRUCTURE:BODY | 21 | |
| 20V664000 | 2018 PROTERRA CATALYST | STEERING:GEAR BOX (OTHER THAN RACK AND PINION) | 5 | |
| 20V621000 | 2019 PROTERRA CATALYST | STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS | 8 |