Electrical systemRecall 24V-655 · Proterra vehicles
Phoenix Motorcars recall 24V-655 covers 483 Proterra vehicles for a electrical system problem, reported to NHTSA on September 6, 2024. The manufacturer's latest report (2025 Q3) shows 50% of affected vehicles repaired.
Source: NHTSA recall 24V655000 and manufacturer quarterly reports. Started by an NHTSA defect investigation.
The problem
Phoenix Motorcars (Phoenix) is recalling certain 2019-2021 800V Catalyst and 2020-2022 ZX5 transit buses. The vehicle controller software may allow the electrical circuit for the radiator fan to overheat.
The risk
Electrical circuits that overheat increase the risk of a fire.
The fix
Dealers will update the vehicle software, free of charge. Owner notification letters were mailed October 15, 2024. Owners may contact Phoenix customer service at 1-909-987-0815.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
How fast cars are being fixed
50%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.
Vehicles in this recall
Built from December 14, 2019 to January 31, 2023. Not every vehicle in these model years is included; check by VIN.