Propulsion system: traction batteryRecall 22V-887 · 2017–2019 Proterra Catalyst
Proterra Operating Company, Inc. recall 22V-887 covers 300 2017–2019 Proterra Catalyst for a propulsion system: traction battery problem, reported to NHTSA on November 30, 2022. The manufacturer's latest report (2025 Q3) shows 55% of affected vehicles repaired.
Source: NHTSA recall 22V887000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
Proterra Operation Company, Inc. (Proterra) is recalling certain 2017-2019 Catalyst transit buses. One or more battery packs may allow liquid to leak into and accumulate in the battery pack enclosure.
The risk
The accumulation of liquid inside the battery pack enclosure increases the risk of a fire.
The fix
Proterra will update software, inspect, and replace the battery pack, free of charge. Owner letters were mailed November 6, 2023. Owners may contact Proterra's customer service at 1-864-438-0000.
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
55%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.