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Proterra Catalyst Recall 24V655: Software Flaw Can Overheat Fan Circuit, Raising Fire Risk

NHTSA campaign 24V655, reported September 6, 2024, 483 vehicles potentially affected.

What this recall means for you

Certain electric transit buses have vehicle controller software that may allow the electrical circuit for the radiator fan to overheat. Overheating electrical circuits increase the risk of a fire.

Owners should contact Phoenix Motorcars customer service at 1-909-987-0815 and check whether their vehicle is affected. Owner notification letters were mailed October 15, 2024. Authorized dealers will update the vehicle software free of charge. You can also check your VIN for open recalls through the NHTSA website.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 24V655Phoenix Motorcars
Component
ELECTRICAL SYSTEM
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.
Risk
Electrical circuits that overheat increase the risk of a fire.
Remedy
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.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Affected vehicles

Proterra Catalyst201920202021
Proterra ZX5202020212022