This recall has not yet been classified by risk level.
2021 PROTERRA CATALYST Recalled by Proterra Operating Company, Inc. — PARKING BRAKE
What You Should Do
Stop using this product immediately. Do not consume, use, or distribute it.
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 Products
2021 PROTERRA CATALYST. 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.
Why Was This Recalled?
Unintentional engagement of the parking brake increases the risk of a crash.
Where Was This Sold?
Nationwide
About Proterra Operating Company, Inc.
Proterra Operating Company, Inc. has 3 total recalls tracked by RecallDetector.
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Data sourced from the NHTSA. Last updated March 27, 2026. View original report