RecallPulseUpdated Oct 9, 2026

Proterra S1-15 HV Battery: Electrical System recall

NHTSA campaign 22E065000 · 99 units potentially affected · filed Jul 29, 2022

What's wrong

Proterra Operation Company, Inc. (Proterra) is recalling certain battery packs, model number S1-15, with part numbers 129-6202, 139-6181, and 163-3642. An insufficient connection in the battery pack may cause the battery management system to shut down unexpectedly.

Why it matters

An unexpected battery management system shut down can result in a sudden loss of drive power, increasing the risk of a crash.

The fix

Proterra will replace the battery pack, free of charge. Owner notification letters were mailed November 26, 2022. 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
22E065000
Manufacturer no.
—
Manufacturer
Proterra Operating Company, Inc.
Component
ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
Units affected
99
Report received
Jul 29, 2022
Owner letters
Nov 26, 2022
Type
Equipment

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

Vehicles covered