NHTSA : 22V855000🔴 ⚠️ High severity
Campaign Details
Component: PARKING BRAKE
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.
Consequence / Hazard
Unintentional engagement of the parking brake increases the risk of a crash.
Proposed Solution
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.
🚀 Latest Alerts for this Model
🚗 Affected Vehicles6
All the models below were recalled for this exact same problem.