Typical causes of these power supply disturbances include:
• Issues with the building wiring and/or the wall outlet.
•
Issues with the external charging equipment.
•
Other large electric devices, such as washing machines or air conditioning units, that temporarily draw a lot of power or
otherwise disturb the electrical power grid.
• External conditions affecting the electrical power grid.
What to do:
As this alert is usually specific to external charging equipment and power sources, and it does not typically indicate an issue
with your vehicle that can be resolved by scheduling service, it is recommended that you:
•
Try charging with different wall outlets.
•
Try charging again (disconnect and reconnect to retry) when other large electric devices are not drawing power.
•
Try charging with multiple, different types of charging equipment at different locations.
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_a052
External charging equipment not providing power
Check power source or try different equipment
What this alert means:
Charging cannot begin due to a condition that prevents your vehicle from charging with AC power. DC fast charging /
Supercharging should still function as expected.
Your vehicle has requested AC power from the external charging equipment, but the onboard charger does not detect any
supply voltage coming from the equipment.
This can sometimes be caused by a hardware issue specific to the external charging equipment, which prevents the charging
equipment from switching power to the vehicle on or off when requested. It could also occur due to another condition
affecting the external charging equipment, the power source it is connected to, or your vehicle itself.
What to do:
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.
Try charging with multiple, different types of charging equipment.
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_a053
Charge rate reduced - Unexpected voltage drop
Remove extension cords / Have wiring inspected
What this alert means:
Troubleshooting Alerts
254 MODEL Y Owner's Manual
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