Proterra Catalyst (Proterra) – Controller Software Risk (2024)
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
2021 PROTERRA CATALYST
Brand
PROTERRA
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Products Sold
Model Year 2021
Phoenix Motorcars is recalling certain 2021 PROTERRA CATALYST vehicles due to electrical system issues. Electrical circuits that overheat increase the risk of a fire..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
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.
Reported concern (NHTSA)
Electrical circuits that overheat increase the risk of a fire.
Recommended Action
Per NHTSA guidance
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.
Verify this information on the official source
For complete details and official instructions, check the National Highway Traffic Safety Administration (NHTSA) directly.
View official NHTSA recall noticePage updated: Jan 10, 2026