CarRecallWatchThe 2021 Proterra ZX5 has 6 safety recalls on file with NHTSA.
2021 Proterra ZX5 recalls
Software Flaw Can Overheat Fan Circuit, Raising Fire Risk
Certain electric transit buses have vehicle controller software that may allow the electrical circuit for the radiator fan to overheat.
Transit buses may lose steering and drive power
Certain 2019-2022 Proterra Catalyst and ZX5 transit buses equipped with ProDrive 1.0 have an electrical defect: a transistor inside the inverter may overheat and fail.
Windshield Wipers May Stop or Work Intermittently
The windshield wiper motors in these buses may run intermittently or fail to operate at all.
Parking Brake Can Engage While Driving, Raising Crash Risk
Back pressure in the shared air exhaust for the ride height system and parking brake control valve can cause the parking brake to engage while the bus is moving.
Loose Steering Gearbox Can Cause Loss of Steering Control
The steering gearbox bolts may loosen because the adhesive bonding the torque limiter plate to the bus body may be insufficient.
Road Debris Can Block Driver's Window and Mirror
The front fender flare on certain 2020 and 2021 Proterra ZX5 buses may let mud, dirt, debris, rain and snow splash onto the driver's side window and mirror.
2021 Proterra ZX5 questions
Does the 2021 Proterra ZX5 have any recalls?
Yes. NHTSA lists 6 safety recalls for the 2021 Proterra ZX5: Software Flaw Can Overheat Fan Circuit, Raising Fire Risk; Transit buses may lose steering and drive power; Windshield Wipers May Stop or Work Intermittently; Parking Brake Can Engage While Driving, Raising Crash Risk; Loose Steering Gearbox Can Cause Loss of Steering Control. Recall repairs are normally free at an authorized dealer.
How do I check if a recall on my 2021 Proterra ZX5 has been fixed?
Enter your 17-character VIN in our VIN recall check. It shows open recalls that have not been repaired on your specific vehicle. Recall repairs are normally free at an authorized dealer.