Proterra Operating Company – Inverter May Fail Causing Loss of Power

Proterra Operating Company (Proterra) is recalling certain 2019-2022 40′ and 35′ Catalyst 800V transit buses equipped with ProDrive 1.0, and 40′ and 35′ ZX5 800V transit buses equipped with ProDrive 1.0. A transistor inside the inverter may overheat and fail, which can result in a loss of power steering and drive power.


Report Received Date 10/17/2023
NHTSA ID 23V697000
Consequence Summary A loss of power steering and/or drive power increases the risk of a crash.
Corrective Action The remedy is currently under development. Owner notification letters are expected to be mailed November 7, 2023. Owners may contact Proterra customer service at 1-864-438-0000.
Recall Code NR (Not Reported)
Potentially Affected 238
Fire Risk When Parked No
Do Not Drive No
Recall Link Go to Recall (https://www.nhtsa.gov/recalls?nhtsaId=23V697000)