Known Recalls

Recall campaign · NHTSA 22V855000

Parking brake

Proterra Operating Company, Inc. filed this campaign with NHTSA on 2022-11-18.

Recall campaignNHTSA 22V855000

Parking brake

Component
Parking brake
Manufacturer
Proterra Operating Company, Inc.
Vehicles affected
386
Reported to NHTSA
2022-11-18
Owners notified
2022-12-21

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 risk

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

Manufacturer 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.

Notes

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.

Scope of coverage

6 model years across 2 models.

ModelYears on record
PROTERRA Catalyst2021 2020
PROTERRA ZX52022 2021 2020 2019

Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.