Tesla Model S: Poor electric grid power quality detected
Try different charging station or location
Charging speed has been reduced or charging has been interrupted due to a condition that affects your vehicle's ability to charge with AC power. DC fast charging / Supercharging should still function as expected.
The onboard charger in your vehicle has detected power supply disturbances in the electrical power grid. These disturbances interfere with your vehicle's charging process.
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.
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 131 for more 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 Guides. If using other external charging equipment, refer to the manufacturer's provided documentation for troubleshooting tips.
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External charging equipment not providing power
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Charge rate reduced - Unexpected voltage drop
Remove extension cords / Have wiring inspected
Charging speed has been reduced because the onboard charger in your vehicle
has detected a large voltage drop
during charging.
Likely causes of this i
Charging stopped due to large voltage drop
Remove extension cords / Have wiring inspected
Charging has been interrupted because the onboard charger in your vehicle has
detected an unusually large voltage
drop.
Likely causes of this issue in
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Setup
Warning: Only technicians who have been trained in High
Voltage Awareness are permitted to perform this procedure. Proper
personal protective equipment (PPE) and insulating HV gloves with a
minimum rating of class 00 (500V) must be worn any time a high
voltage cable is handled. Refer
Wireless Phone Chargers
Wireless phone chargers are integrated into both the
front and rear consoles, each providing up to 15W of
power to charge Qi-enabled phones. Simply place your
phone on the charger. Your device may feel warm while
charging, but this is a normal effect of inductive
charging.
When placed on the w
