PROTERRA ZX5 2019: PARKING BRAKE
NHTSA Campaign ID Number: 22V855000
| Make | Model | Year |
|---|---|---|
| PROTERRA | ZX5 | 2019 |
| Date Owners Notified | Date Received by ODI | Date Added to Database |
| 2022-12-21 | 2022-11-18 | 2022-11-21 |
Manufacturers Involved: Proterra Operating Company, Inc.
Manufacturer Campaign Number: SC-22-158
Component: PARKING BRAKE
Potential Number Of Units Affected: 446
Report Initiator: MFR MFR Report
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.
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.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 'TTY 1-800-424-9153', or go to www.nhtsa.gov.
