Tesla Model S Owners & Service Manuals

Tesla Model S: Charge rate reduced - Charge port may be frozen

Tesla Model S (2012-2024) Owner's Manual / Consumer Information / Troubleshooting Alerts / Charge rate reduced - Charge port may be frozen

Try using Defrost Car button in Mobile App

The charge port latch is unable to secure the charge cable in the charge port inlet, and cold ambient temperature is detected. If the latch is not engaged, AC charging (for example, charging with a Mobile Connector or Wall Connector) will be limited to 16A and DC Fast Charging / Supercharging will be unavailable.

The charge port light will pulse amber if this alert appears during AC charging, and it will be solid amber if this alert appears when attempting to DC Fast Charge / Supercharge.

Try re-inserting the charge cable fully into the charge port inlet.

If your vehicle begins charging and the charge port light pulses green, the charge cable may not have been fully inserted before. The latch may not have engaged during previous attempts because the cable was not fully inserted. AC charging should no longer be limited, and DC Fast Charging / Supercharging should be available.

If charging is still limited or the vehicle will not charge at all, make sure the charge port latch manual release cable (located on the left-hand side in the trunk) has not been pulled. Make sure the handle (usually ring-shaped or a strap) for the manual release cable is free of obstructions and that nothing is attached to it (like a cargo net or umbrella). Attaching anything to the handle for the manual release cable may keep the charge port latch from engaging. For more information on the charge port latch manual release.

If charging is still limited or the vehicle will not charge at all, inspect the charge port inlet and the charge cable connector for any obstructions (use a flashlight as needed). Debris and/or foreign objects in the charge port inlet or the charge cable connector can prevent you from fully inserting the charge cable. If the cable is not fully inserted, the charge port latch will not engage.

It is recommended that any debris / foreign objects be removed. Afterward, try re-inserting the cable into the charge port inlet. AC charging should no longer be limited, and DC Fast Charging / Supercharging should be available.

If you have checked for and cleared any debris or foreign objects, but charging is still limited or your vehicle will not charge at all, the charge port latch may be frozen. Press the Defrost Car button in your Tesla Mobile App to defrost your vehicle for approximately 30 - 45 minutes. This should help thaw any ice on the charge port latch so the charge cable can be properly inserted.

NOTE: Be sure to use Defrost Car in your Mobile App to defrost your vehicle. Adjusting the climate control settings in your vehicle's touchscreen will not be as effective.

As this alert usually indicates a temporary condition due to cold ambient temperature or a charge port inlet obstruction, and it does not typically indicate an issue with your vehicle that can be resolved by scheduling service, it is recommended that you:

  • Make sure the charge cable is fully inserted during charging.
  • Make sure the handle for the charge port latch manual release (located on the left-hand side in the trunk) is free of obstructions.
  • Make sure any charge port inlet obstruction has been removed.
  • Press the Defrost Car button in your Tesla Mobile App to defrost your vehicle for approximately 30 - 45 minutes before trying to charge again.

If the alert remains present, limited AC charging should still be available.

For more information on charging, see Charging Instructions.

Charge rate reduced - Wall connection hot

Outlet or Wall Connector wiring must be checked

High temperature detected by Wall Connector alerts indicate the building connection to the Wall Connector is getting too warm, so charging has been slowed to protect the wiring and Wall Connector.

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.

Wall Connector installation guides can be found here.

Unable to charge - Wall connection too hot

Outlet or Wall Connector wiring must be checked

High temperature detected by Wall Connector alerts indicate the building connection to the Wall Connector is getting too warm, so charging has stopped to protect the wiring and Wall Connector.

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 operation, 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.

Wall Connector installation guides can be found here.

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