Recall 22V855000
PARKING BRAKE
Report Date
20221118
Component
PARKING BRAKE
Affected Vehicles
6 models
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.
Affected Vehicles
| Year | Make | Model |
|---|---|---|
| 2019 | PROTERRA | ZX5 |
| 2020 | PROTERRA | CATALYST |
| 2020 | PROTERRA | ZX5 |
| 2021 | PROTERRA | CATALYST |
| 2021 | PROTERRA | ZX5 |
| 2022 | PROTERRA | ZX5 |
Check your vehicle: Visit NHTSA.gov and enter your VIN to see if your specific vehicle is affected.