The onboard charger detects a large voltage drop over time compared to initial voltage when charging commenced. AC charge rate is reduced. This alert is frequently associated with the condition of wiring or electrical power grids external to the vehicle.
0.18% (Uncommon)
Charge rate reduced - Unexpected voltage drop
Remove extension cords / Have wiring inspected
Reduced AC charge rate.
The onboard charger detects a large voltage drop over time compared to initial voltage when charging commenced. AC charge rate is reduced. This alert is frequently associated with the condition of wiring or electrical power grids external to the vehicle.
The onboard charger detects greater than 12% input voltage drop compared to initial voltage when charging commenced.
The onboard charger detects that input voltage is again within 12% of initial voltage when charging commenced.
Model 3 2017-2023, Model 3 2024+, Model S 2021+, Model X 2021+, Model Y, Model Y 2025+
customer, service
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