RecallPulseUpdated Oct 9, 2026

2017–2019 Proterra Catalyst: Electrical System recall

NHTSA campaign 22V887000 · 300 units potentially affected · filed Nov 30, 2022

What's wrong

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.

Why it matters

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.

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.

Recall details

NHTSA campaign
22V887000
Manufacturer no.
—
Manufacturer
Proterra Operating Company, Inc.
Component
ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
Units affected
300
Report received
Nov 30, 2022
Owner letters
Nov 6, 2023
Type
Vehicle

Check whether your vehicle is included with the official NHTSA VIN lookup or your dealer. Repairs for safety recalls are free.

Vehicles covered