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This is not typically an issue with your vehicle or your Wall Connector, but rather an issue with the building wiring.
This may be caused by a loose building wiring connection to the Wall Connector and can be fixed quickly by an
electrician.
To regain normal charge speed, contact an electrician to inspect the building wiring connection to the Wall
Connector. They should make sure that all wires are properly connected and torqued according to the installation
guide for the Wall Connector.
For more information, see the
(CHG_f035)
Charging equipment communication error
Try again or try different equipment
Your vehicle is unable to charge because it cannot communicate effectively with the external charging equipment. It
cannot sense a valid control pilot signal coming from the charging equipment.
First, confirm the lack of effective communication is caused by the external charging equipment rather than an issue
with your vehicle. This is usually the case.
Try charging the vehicle using different external charging equipment (including charge cable, charging station, or
charging stall).
• If the vehicle begins charging, the issue was likely with the equipment.
• If the vehicle still does not charge, the issue may be with the vehicle.
If the issue is suspected to be with the vehicle, inspect the charge port inlet and the charge cable connector for any
obstructions (use a flashlight as necessary). Debris, moisture, and/or foreign objects present in the charge port inlet
or the charge cable connector can prevent the charge port from properly communicating with the charging
equipment.
It is recommended that any debris / foreign objects be removed and any moisture be allowed to dry. Afterward, try
re-inserting the cable into the charge port. Charging should now be possible.
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 multiple, different types of charging equipment.
• Make sure any charge port inlet obstruction has been removed.
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
details. Additional third-party charging stations may also be available in your area to help you to pinpoint the issue.
For more information on troubleshooting Mobile Connector or Wall Connector status lights, refer to the product's
Owner's Manual at
Charging & Adapter Product
manufacturer's provided documentation for troubleshooting tips.
For more information on charging, see
(CHG_f083)
Cannot charge - Poor grid power quality possible
Retry / Try other charge location or Supercharging
Charging has stopped due to a condition that prevents your vehicle from charging with AC power. DC fast charging /
Supercharging should still function as expected.
This condition could occur due to power supply disturbances caused by the external charging equipment or by the
electrical power grid. In some cases, this condition can even result from turning on nearby electric devices that draw
a lot of power.
Consumer Information
installation guide
for your Wall Connector.
Guides. If using other external charging equipment, refer to the
Charging Instructions on page
Troubleshooting Alerts
Maps and Navigation on page 150
183.
for more
245
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