Charging speed has been reduced because the onboard charger in your vehicle has detected a large voltage drop during
charging.
Likely causes of this issue include:
• Problems with the building wiring and/or the wall outlet.
• An extension cord or other wiring that cannot support the requested charge current.
This issue can also result from turning on electric devices that draw a lot of power from the same branch circuit while the
vehicle is charging.
What to do:
If this issue has occurred multiple times at your normal charging location, contact an electrician to inspect the electrical
installation. They should check the following:
•
Any installed charging equipment and its connection to the building wiring.
•
The building wiring, including any wall outlet used with a Mobile Connector.
•
The electrical connection to the power utility line where it enters the building.
Discuss with the electrician whether the charge current on the vehicle should be lowered, or if the installation should be
upgraded to support a higher charge current.
This alert is usually specific to external charging equipment and power sources and does not typically indicate an issue with
your vehicle that can be resolved by scheduling service.
You can also try charging your vehicle using a Tesla Supercharger or Destination Charging location, all of which can be located
through the map on your vehicle's touchscreen display. See Maps and Navigation on page 144 for more details.
For more information on troubleshooting Mobile Connector or Wall Connector status lights, refer to the product's Owner's
Manual at Charging & Adapter Product Guides.
PCS_a054
Charging stopped due to large voltage drop
Remove extension cords / Have wiring inspected
What this alert means:
Charging has been interrupted because the onboard charger in your vehicle has detected an unusually large voltage drop.
Likely causes of this issue include:
• Problems with the building wiring and/or the wall outlet.
•
An extension cord or other wiring that cannot support the requested charge current.
This issue can also result from turning on electric devices that draw a lot of power from the same branch circuit while the
vehicle is charging.
What to do:
If this issue has occurred multiple times at your normal charging location, contact an electrician to inspect the electrical
installation. They should check the following:
•
Any installed charging equipment and its connection to the building wiring.
•
The building wiring, including any wall outlet used with a Mobile Connector.
•
The electrical connection to the power utility line where it enters the building.
Discuss with the electrician whether the charge current on the vehicle should be lowered, or if the installation should be
upgraded to support a higher charge current.
Troubleshooting Alerts
255Troubleshooting
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