RECALLS — PROTERRA ZX5
Proterra ZX5 recalls
Proterra ZX5 model years 2019–2022 covered by at least one recall campaign. Pick a year to see the Canadian and U.S. campaigns side by side.
Choose a model year
U.S. NHTSA campaigns are listed on each year page, where they are queried live by model year. The Canadian list below covers every year together.
Transport Canada recalls
04- Electrical#2024508
90 units affected
Issue: Under certain conditions, the connectors and wiring for the radiator fan could overheat and melt. Note: This problem could cause warnings to display on the instrument cluster. Safety Risk: Wiring that overheats and melts can create the risk of a fire. Corrective Actions: Phoenix Motor Inc. will notify owners by email and provide you with instructions for how to update the vehicle controller software.
- Visual System#2023204
22 units affected
Issue: On certain transit buses, the windshield wiper motor could fail. If this happens, the windshield wipers could suddenly stop working. Safety Risk: Windshield wipers that don't work could affect a driver's visibility and increase the risk of a crash. Corrective Actions: Proterra will notify owners by email and provide you with a new windshield wiper motor.
- Brakes#2022677
64 units affected
Issue: On certain buses, a check valve leak could cause air from the ride height system to apply the parking brake suddenly while driving. Note: This recall only affects buses built with a Parker ride height system. Safety Risk: A parking brake that self-applies while driving could increase the risk of a crash. Corrective Actions: Proterra will notify owners by mail and provide a free remedy to separate the ride height exhaust line from the parking brake exhaust line.
- Steering#2022091
90 units affected
Issue: On certain buses, the bolts that secure the steering gearbox can loosen. If this happens, the steering gearbox could separate from the bus and cause a loss of steering control. Safety Risk: A loss of steering could create the risk of a crash. Corrective Actions: Proterra will notify owners by mail and provide new steering gearbox bolts and mechanical fasteners (locking caps).
Canadian data updated August 24, 2026
Does this recall apply to my vehicle?
Matched by make, model, and model year. Many recalls affect only specific VIN ranges — confirm with your dealer using your full VIN.
What to do
Recall repairs are free at a franchised dealer in both countries. To confirm a recall applies to your specific vehicle, contact your manufacturer or dealer with your full VIN, or use the official channel:
- NHTSA recall lookup (search by VIN) — U.S. National Highway Traffic Safety Administration
- Defects and recalls database — Transport Canada