High-voltage battery overheating and loss of propulsion
POWER TRAIN, ENGINE, FUEL/PROPULSION SYSTEM
19 NHTSA complaints · 2023-11 → 2026-08
“On November 5, 2025 our 2020 Nissan LEAF (42,701 miles) experienced rapid loss of battery capacity under normal driving/temperatures (80F.) Vehicle defaulted to "turtle mode" temporarily, an unsafe condition. Were able to replicate condition on subsequent days”
“The contact owns a 2020 Nissan Leaf. The contact stated that while driving at an undisclosed speed after previously recharging the main battery, the message "EV System Error" and "Unable to Restart" was displayed on the instrument panel”
“Complete battery failure at 35,000 miles. Dealer confirmed. Unable to drive car. At least two months or more before battery can be replaced. Nissan refuses to provide loaner car or rental car. Still making momently payments on a car I can't drive”