Tesla Model X (2022 year). Manual in english - page 9

 

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Tesla Model X (2022 year). Manual in english - page 9

 

 

Troubleshooting Alerts
(PCS_a032)
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 on page 148 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
manufacturer's provided documentation for troubleshooting tips.
(PCS_a052)
External charging equipment not providing power
Check power source or try different equipment
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.
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.
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 148 for more
details. Additional third-party charging stations may also be available in your area to help you to pinpoint the issue.
266
Troubleshooting Alerts
For more information on troubleshooting Mobile Connector or Wall Connector status lights, refer to the product's
manufacturer's provided documentation for troubleshooting tips.
(PCS_a053)
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 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.
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.
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 at different locations.
• Contact an electrician to inspect the wiring and equipment at your normal charging location.
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 148 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
manufacturer's provided documentation for troubleshooting tips.
(PCS_a054)
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 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.
Consumer Information
267
Troubleshooting Alerts
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.
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 at different locations.
• Contact an electrician to inspect the wiring and equipment at your normal charging location.
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 148 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
manufacturer's provided documentation for troubleshooting tips.
(PCS_a073)
External charging equipment error detected
Try different charging equipment
AC 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's onboard charger is detecting input voltage at the charge port when no power has been requested
from the external charging equipment, which indicates the external charging equipment is not functioning as
expected.
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, or a condition affecting your vehicle itself.
As this alert is usually specific to external charging equipment, 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.
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 148 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
manufacturer's provided documentation for troubleshooting tips.
(PCS_a090)
Charging slowed - Some AC phases not powered
Check power source and charging equipment
Charging speed has been reduced due to a condition that affects your vehicle’s ability to charge with AC power. DC
fast charging / Supercharging should still function as expected.
268
Troubleshooting Alerts
Your vehicle's onboard charger has detected that one or more power converters is not receiving the necessary AC
input voltage. For example: during three-phase charging, one phase might be missing from the AC input power
provided by the external source. This could occur due to a condition affecting the external charging equipment, the
power source it is connected to, or your vehicle itself.
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.
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 148 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
manufacturer's provided documentation for troubleshooting tips.
(UI_a006)
Service is required
Schedule service now
This alert is set remotely by Tesla when a condition requiring service is detected on your vehicle.
This alert can be set due to various conditions. When you schedule service, more information should be available.
This alert can only be cleared by a service technician after your vehicle has been serviced.
As this alert can be present due to various conditions, it is recommended that you schedule service at your earliest
convenience.
(UI_a137)
Active service connection to vehicle
Service performing remote diagnostics
A service technician is remotely logged into your vehicle for diagnosis or repair. You may notice some loss of
Infotainment functionality while the connection persists, but this alert does not indicate an issue with your vehicle.
Your vehicle is OK to drive.
This alert should clear automatically after the technician completes vehicle diagnosis or repair. You may find it
necessary to restart your touchscreen to restore full Infotainment functionality after the alert has cleared. For more
information, see Restarting the Touchscreen in your vehicle's Do It Yourself Guide.
If this alert does not clear after 24 hours, it is recommended that you schedule service via your Tesla Mobile App or
with an independent service provider. Please note that independent service provider options may vary, based on
your vehicle configuration and your location.
(UMC_a001)
Unable to charge with Mobile Connector
Inadequate outlet grounding - Try another outlet
The Mobile Connector has detected that the electrical outlet has insu…cient grounding, likely caused by an
inadequate or missing ground connection. This does not indicate an issue with your Mobile Connector or vehicle, but
instead points to an issue with the wall outlet / electrical installation the Mobile Connector is connected to.
Have the electrical installation inspected by an electrician. Your electrician should make sure there is proper
grounding at your circuit breaker or power distribution box, and also make sure that appropriate connections are
made to the outlet, before you attempt to plug in the Mobile Connector again.
Consumer Information
269
Troubleshooting Alerts
If you need to charge in the meantime, it is recommended that you try charging using a different outlet, at another
location, or with another type of charging station.
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 148 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 status lights and charging issues, refer to the product's
owner's manual.
(UMC_a002)
Unable to charge - Mobile Connector GFCI tripped
Unplug charge handle from charge port and retry
The vehicle cannot charge because the ground-fault circuit interrupter (GFCI) in the Mobile Connector has tripped.
Like the GFCI in a wall outlet, this feature is designed to stop the flow of electricity when there is a problem. It has
interrupted charging to protect your vehicle and the charging equipment.
This could happen for many reasons. The problem could be in the charge cable, the charge handle, the charge port,
or even an onboard vehicle component.
Inspect the charge port as well as the charge handle for pooled water or unusual levels of moisture.
• If you find excessive moisture, wait and let both the inside area of the charge port and the exposed portion of the
charge handle dry su…ciently before trying again.
Inspect the charge equipment for damage.
• If the cable is in any way damaged or deteriorated, do not use it. Try different charging equipment instead.
• If the cable is in good condition, try charging again with the same Mobile Connector.
If the issue persists and prevents charging, try charging with different charging equipment.
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.
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 148 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 status lights and charging issues, refer to the product's
owner's manual.
(UMC_a004)
Unable to charge with Mobile Connector
Voltage too high / Try a different wall outlet
The vehicle cannot charge, or charging is interrupted, because either the Mobile Connector:
• Detects the wall outlet voltage is too high.
OR
• Detects an unexpected increase in supply voltage from the wall outlet.
Try charging the vehicle with a different wall outlet.
270
Troubleshooting Alerts
If the vehicle starts to charge, the issue was likely with the original wall outlet. It is recommended that you contact
an electrician to inspect the building wiring connection to that outlet.
If the vehicle still does not charge when you try a different wall outlet, try charging at a different location.
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 with different 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 148 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 status lights and charging issues, refer to the product's
owner's manual.
(UMC_a005)
Unable to charge with Mobile Connector
Voltage too low / Try a different wall outlet
The vehicle cannot charge, or charging is interrupted, because either the Mobile Connector:
• Does not detect enough supply voltage from the wall outlet.
OR
• Detects an unexpected drop in supply voltage from the wall outlet.
Try charging the vehicle with a different wall outlet.
If the vehicle starts to charge, the issue was likely with the original wall outlet. It is recommended that you contact
an electrician to inspect the building wiring connection to that outlet.
If the vehicle still does not charge when you try a different wall outlet, try charging at a different location.
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 with different 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 148 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 status lights and charging issues, refer to the product's
owner's manual.
(UMC_a007)
Mobile Connector control box temperature high
Let Mobile Connector cool to resume charging
Charging has been interrupted because the Mobile Connector has detected a high temperature inside its control box
housing.
Make sure the Mobile Connector is not covered by anything, and that there is no heat source nearby. If the problem
persists in normal ambient temperatures (under 100°F or 38°C), service is required.
Consumer Information
271
Troubleshooting Alerts
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 148 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 status lights and charging issues, refer to the product's
owner's manual.
(UMC_a008)
Unable to charge - Wall plug temperature high
Wall outlet and wiring inspection recommended
High temperature detected by Mobile Connector alerts indicate the outlet used to charge is becoming too warm, so
charging has stopped to protect the outlet.
This is not typically an issue with your vehicle or your Mobile Connector, but rather an issue with the outlet. A warm
outlet may be caused by a plug that is not fully inserted, a loose building wiring connection to the outlet, or an
outlet that is beginning to wear out.
To regain normal charge operation, make sure your adapter is fully plugged into the outlet. If charging speed does
not return to normal, contact an electrician to inspect the outlet and building wiring connections to the outlet and
complete any repairs needed.
If the outlet is worn, it should be replaced with a high-quality outlet. Consider upgrading to a Tesla Wall Connector
for greater convenience and highest charging speed.
(UMC_a009)
Cannot charge - Charge handle temperature high
Check charge handle or charge port for debris
Charging has been interrupted because the Mobile Connector has detected a high temperature in the charge handle
that connects to your vehicle's charge port.
Make sure the Mobile Connector is fully inserted into your vehicle's charge port inlet.
You should also inspect the charge port inlet and the Mobile Connector handle for any obstructions (use a flashlight
as necessary). Debris or foreign objects present in the charge port inlet or the Mobile Connector handle can cause
increased temperatures during charging.
It is recommended that any debris / foreign objects be removed. Afterward, try re-inserting the Mobile Connector
handle into the charge port. Once the Mobile Connector handle temperature has decreased and any obstruction has
been removed, the alert should clear and charging should be possible.
Also make sure the charge handle of the Mobile Connector is not covered by anything, and that there is no heat
source nearby.
If the alert persists in normal ambient temperatures (under 100°F or 38°C), and continues to occur during multiple
charging attempts, this may indicate a condition affecting the Mobile Connector or your vehicle. It is recommended
that you schedule service at your convenience.
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 148 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 status lights and charging issues, refer to the product's
owner's manual.
272
Troubleshooting Alerts
(UMC_a010)
Mobile Connector to adapter connection hot
Let cool - Plug adapter fully into Mobile Connector
Charging has been interrupted because the Mobile Connector has detected a high temperature at the connection
between the wall plug adapter and the control box.
Make sure the wall plug adapter is fully connected to the Mobile Connector control box.
After unplugging from the power source (wall outlet), you should also inspect the wall plug adapter connection and
the Mobile Connector control box connection for any obstructions (use a flashlight as necessary). Debris or foreign
objects present where the wall plug adapter and the Mobile Connector control box connect can cause increased
temperatures during charging.
It is recommended that any debris / foreign objects be removed. Afterward, try re-inserting the wall plug adapter
into the Mobile Connector and then connecting to the power source (wall outlet). Once the Mobile Connector
control box temperature has decreased and any obstruction has been removed, the alert should clear and charging
should possible.
Also make sure the wall plug adapter is not covered by anything, and that there is no heat source nearby. If the issue
persists in normal ambient temperatures (under 100°F or 38°C), service is required.
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 148 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 status lights and charging issues, refer to the product's
owner's manual.
(UMC_a011)
Charging equipment communication error
Try again or try different equipment
Your vehicle is unable to charge because it cannot communicate effectively with the Mobile Connector. The Mobile
Connector cannot confirm via proximity detection that the charge handle is fully connected to your vehicle.
First, confirm the lack of effective communication is caused by the Mobile Connector rather than an issue with your
vehicle. This is usually the case.
To confirm this, try charging the vehicle using different external charging equipment.
• If the vehicle begins charging, the issue was likely with the Mobile Connector.
• 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 Mobile Connector handle for any
obstructions (use a flashlight as necessary). Debris, moisture, and/or foreign objects present in the charge port inlet
or the Mobile Connector handle can prevent the vehicle from properly communicating with the Mobile Connector.
It is recommended that any debris / foreign objects be removed and any moisture be allowed to dry. Afterward, try
re-inserting the Mobile Connector handle 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 or charge handle 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 Maps and Navigation on page 148 for more
details. Additional third-party charging stations may also be available in your area to help you to pinpoint the issue.
Consumer Information
273
Troubleshooting Alerts
For more information on troubleshooting Mobile Connector status lights and charging issues, refer to the product's
owner's manual.
For more information on charging, see Charging Instructions on page 182.
(UMC_a012)
Charging equipment communication error
Try again or try different equipment
Your vehicle is unable to charge because it cannot communicate effectively with the Mobile Connector. The Mobile
Connector detects that it cannot generate or maintain a valid control pilot signal.
First, confirm the lack of effective communication is caused by the Mobile Connector rather than an issue with your
vehicle. This is usually the case.
To confirm this, try charging the vehicle using different external charging equipment.
• If the vehicle begins charging, the issue was likely with the Mobile Connector.
• 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 Mobile Connector handle for any
obstructions (use a flashlight as necessary). Debris, moisture, and/or foreign objects present in the charge port inlet
or the Mobile Connector handle can prevent the vehicle from properly communicating with the Mobile Connector.
It is recommended that any debris / foreign objects be removed and any moisture be allowed to dry. Afterward, try
re-inserting the Mobile Connector handle 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 or charge handle 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 Maps and Navigation on page 148 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 status lights and charging issues, refer to the product's
owner's manual.
For more information on charging, see Charging Instructions on page 182.
(UMC_a013)
Wall plug adapter error - Charge rate reduced
Plug adapter fully into Mobile Connector and retry
Your Mobile Connector is unable to communicate with the wall plug adapter. Because your Mobile Connector cannot
monitor the wall plug adapter temperature, charge current is automatically reduced to 8A.
It is recommended that you try the following troubleshooting steps:
1. Unplug your Mobile Connector, including the wall plug adapter, completely from the wall outlet.
2. Make sure the connection between the wall plug adapter and the main body of your Mobile Connector is secure.
a. Disconnect the wall plug adapter completely from the main body of your Mobile Connector.
b. Fully reinsert the wall plug adapter into the main body of your Mobile Connector by pushing it into the socket
until it snaps into place.
3. Try charging again by plugging the Mobile Connector, including wall plug adapter, fully into the wall outlet.
274
Troubleshooting Alerts
4. If the alert persists, try using a different wall plug adapter (see steps above to make sure the adapter is fully
connected to your Mobile Connector).
a. If the alert is no longer present, the issue is likely with the wall plug adapter you were using previously.
b. If the alert persists, the issue is likely with your Mobile Connector.
It is recommended that you obtain another wall plug adapter or Mobile Connector as needed, based on the
troubleshooting steps above.
In the meantime, you can continue to charge with the same equipment. The charge rate will be reduced, as charge
current will be limited to 8A while this condition persists.
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 148 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 status lights and charging issues, refer to the product's
owner's manual.
(UMC_a014)
Wall plug adapter error - Charge rate reduced
Plug adapter fully into Mobile Connector and retry
Your Mobile Connector is unable to communicate with the wall plug adapter. Because your Mobile Connector cannot
identify the type of wall outlet the wall plug adapter is connected to, charge current is automatically reduced to 8A.
It is recommended that you try the following troubleshooting steps:
1. Unplug your Mobile Connector, including the wall plug adapter, completely from the wall outlet.
2. Make sure the connection between the wall plug adapter and the main body of your Mobile Connector is secure.
a. Disconnect the wall plug adapter completely from the main body of your Mobile Connector.
b. Fully reinsert the wall plug adapter into the main body of your Mobile Connector by pushing it into the socket
until it snaps into place.
3. Try charging again by plugging the Mobile Connector, including wall plug adapter, fully into the wall outlet.
4. If the alert persists, try using a different wall plug adapter (see steps above to make sure the adapter is fully
connected to your Mobile Connector).
a. If the alert is no longer present, the issue is likely with the wall plug adapter you were using previously.
b. If the alert persists, the issue is likely with your Mobile Connector.
It is recommended that you obtain another wall plug adapter or Mobile Connector as needed, based on the
troubleshooting steps above.
In the meantime, you can continue to charge with the same equipment. The charge rate will be reduced, as charge
current will be limited to 8A while this condition persists.
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 148 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 status lights and charging issues, refer to the product's
owner's manual.
Consumer Information
275
Troubleshooting Alerts
(UMC_a015)
Wall plug adapter error - Charge rate reduced
Plug adapter fully into Mobile Connector and retry
Your Mobile Connector is unable to communicate with the wall plug adapter. Because your Mobile Connector cannot
identify the type of wall outlet the wall plug adapter is connected to, charge current is automatically reduced to 8A.
It is recommended that you try the following troubleshooting steps:
1. Unplug your Mobile Connector, including the wall plug adapter, completely from the wall outlet.
2. Make sure the connection between the wall plug adapter and the main body of your Mobile Connector is secure.
a. Disconnect the wall plug adapter completely from the main body of your Mobile Connector.
b. Fully reinsert the wall plug adapter into the main body of your Mobile Connector by pushing it into the socket
until it snaps into place.
3. Try charging again by plugging the Mobile Connector, including wall plug adapter, fully into the wall outlet.
4. If the alert persists, try using a different wall plug adapter (see steps above to make sure the adapter is fully
connected to your Mobile Connector).
a. If the alert is no longer present, the issue is likely with the wall plug adapter you were using previously.
b. If the alert persists, the issue is likely with your Mobile Connector.
It is recommended that you obtain another wall plug adapter or Mobile Connector as needed, based on the
troubleshooting steps above.
In the meantime, you can continue to charge with the same equipment. The charge rate will be reduced, as charge
current will be limited to 8A while this condition persists.
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 148 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 status lights and charging issues, refer to the product's
owner's manual.
(UMC_a016)
Mobile Connector control box temperature high
Maximum charge rate reduced
Charge current has been temporarily reduced because the Mobile Connector has detected increased temperature
inside its control box housing.
Make sure the Mobile Connector is not covered by anything, and that there is no heat source nearby. If the problem
persists in normal ambient temperatures (under 100°F or 38°C), service is required.
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 148 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 status lights and charging issues, refer to the product's
owner's manual.
(UMC_a017)
Charge rate reduced - Wall plug temperature high
Wall outlet and wiring inspection recommended
High temperature detected by Mobile Connector alerts indicate the outlet used to charge is becoming too warm, so
charging has been slowed to protect the outlet.
276
Troubleshooting Alerts
This is not typically an issue with your vehicle or your Mobile Connector, but rather an issue with the outlet. A warm
outlet may be caused by a plug that is not fully inserted, a loose building wiring connection to the outlet, or an
outlet that is beginning to wear out.
To regain normal charge speed, make sure your adapter is fully plugged into the outlet. If charging speed does not
return to normal, contact an electrician to inspect the outlet and building wiring connections to the outlet and
complete any repairs needed.
If the outlet is worn, it should be replaced with a high-quality outlet. Consider upgrading to a Tesla Wall Connector
for greater convenience and highest charging speed.
(UMC_a018)
Charge rate reduced - Handle temperature high
Check charge handle or charge port for debris
Charge current has been temporarily reduced because the Mobile Connector has detected increased temperature in
the charge handle that connects to your vehicle's charge port.
Make sure the Mobile Connector is fully inserted into your vehicle's charge port inlet.
You should also inspect the charge port inlet and the Mobile Connector handle for any obstructions (use a flashlight
as necessary). Debris or foreign objects present in the charge port inlet or the Mobile Connector handle can cause
increased temperatures during charging.
It is recommended that any debris / foreign objects be removed. Afterward, try re-inserting the Mobile Connector
handle into the charge port. Once the Mobile Connector handle temperature has decreased and any obstruction has
been removed, the alert should clear and charge current should no longer be reduced.
Also make sure the charge handle of the Mobile Connector is not covered by anything, and that there is no heat
source nearby.
If the alert persists in normal ambient temperatures (under 100°F or 38°C), and continues to occur during multiple
charging attempts, this may indicate a condition affecting the Mobile Connector or your vehicle. It is recommended
that you schedule service at your convenience.
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 148 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 status lights and charging issues, refer to the product's
owner's manual.
(UMC_a019)
Mobile Connector to adapter connection hot
Maximum charge rate reduced
Charge current has been reduced because the Mobile Connector has detected a high temperature at the connection
between the wall plug adapter and the control box.
Make sure the wall plug adapter is fully connected to the Mobile Connector control box.
After unplugging from the power source (wall outlet), you should also inspect the wall plug adapter connection and
the Mobile Connector control box connection for any obstructions (use a flashlight as necessary). Debris or foreign
objects present where the wall plug adapter and the Mobile Connector control box connect can cause increased
temperatures during charging.
It is recommended that any debris / foreign objects be removed. Afterward, try re-inserting the wall plug adapter
into the Mobile Connector and then connecting to the power source (wall outlet). Once the Mobile Connector
control box temperature has decreased and any obstruction has been removed, the alert should clear and charge
current should no longer be reduced.
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Troubleshooting Alerts
Also make sure the wall plug adapter is not covered by anything, and that there is no heat source nearby. If the issue
persists in normal ambient temperatures (under 100°F or 38°C), service is required.
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 148 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 status lights and charging issues, refer to the product's
owner's manual.
(VCBATT_a180)
Electrical system power reduced
Vehicle may shut down unexpectedly
The electrical system cannot maintain the voltage required to support all vehicle features.
If this alert is present while you are driving, it is possible your vehicle will shut down unexpectedly. It is also possible
that your vehicle will not restart after the current drive.
If this alert is present when your vehicle is in Park or when it first wakes, it is possible your vehicle may not have
adequate electrical power to start driving. A separate vehicle alert may be present to indicate that condition.
It is recommended that you eliminate or reduce your use of any nonessential features. This can help your vehicle
maintain adequate electrical power for essential functions.
If this alert remains active, it is recommended that you schedule service immediately. Without service, your vehicle
may not drive, may shut down unexpectedly, or may not restart.
(VCBATT_a182)
Schedule service to replace low voltage battery
Software will not update until battery is replaced
The low voltage battery is showing degraded performance and needs to be replaced. Until the low voltage battery is
replaced, vehicle software updates will not complete.
It is recommended that you have the low voltage battery replaced at your earliest convenient opportunity.
You can schedule service via your Tesla Mobile App, or with an independent service provider that offers low voltage
battery replacement for your vehicle. Please note that independent service provider options may vary, based on your
vehicle configuration and your location.
Your vehicle is OK to drive with this alert present. However, if you delay the low voltage battery replacement, your
vehicle may eventually not have enough electrical power to start or to restart after a recent drive.
If the low voltage battery does not have enough electrical power to turn on your vehicle or open the doors, follow
the instructions in Jump Starting the Low Voltage Battery on page 225.
For more information on the battery system, see High Voltage Battery Information on page 181.
(VCBATT_a191)
Electrical system power reduced
Vehicle shutting down
The low voltage battery cannot provide the electrical support necessary to drive or continue driving. Your vehicle is
shutting down to preserve energy for essential functions other than driving.
Your vehicle cannot be driven or continue driving while this condition continues.
If this alert is present while you are driving, your vehicle needs to come to a stop immediately. It is recommended
that you:
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Troubleshooting Alerts
• Pull over safely immediately
• Use your Mobile App to contact Tesla Roadside Assistance immediately, or seek other roadside assistance if
preferred
If you do not pull over safely within a short time, your vehicle may shut down unexpectedly. It is also possible that
your vehicle will not restart once parked.
When this alert is present, the electrical system cannot maintain the voltage required to support all vehicle features.
Many vehicle functions may no longer work.
It is possible your vehicle may lose all electrical power. If this occurs, you can still use the manual door releases to
exit the vehicle if necessary. For more information, see #unique_700 on page .
This alert may be present due to various vehicle conditions. For more information and further recommended actions,
check for other active vehicle alerts.
If this alert remains present, it is recommended that you schedule service immediately. Without service, your vehicle
may not drive, may shut down unexpectedly, or may not restart.
(VCFRONT_a192)
Electrical system is unable to support all features
Shutting down features to conserve energy
The electrical system cannot support all vehicle features. Your vehicle is shutting down nonessential features to
preserve energy for essential functions.
If you are driving when this alert is present, it is possible your vehicle may shut down unexpectedly. It is also possible
that your vehicle will not restart once parked.
Nonessential features may be unavailable, including seat heaters, cabin climate control, and in-vehicle entertainment.
This is expected behavior intended to help your vehicle maintain adequate electrical power for essential functions,
including the ability to operate headlights, windows and doors, hazard lights, and the front trunk (frunk).
It is possible your vehicle may lose all electrical power. If this occurs, you can still use the manual door releases to
exit the vehicle if necessary. For more information, see #unique_700 on page .
This alert may be present due to various vehicle conditions. For more information and further recommended actions,
check for other active vehicle alerts.
(VCBATT_a220)
Electrical system is unable to support all features
Schedule service
The low voltage battery cannot provide the electrical support necessary to drive or continue driving.
If this alert is present while you are driving, your vehicle needs to come to a stop as soon as possible. Pull over safely
at your earliest opportunity.
It is possible your vehicle will shut down unexpectedly. It is also possible that your vehicle will not restart after the
current drive.
You may notice that some nonessential features are not available. This is expected behavior due to your vehicle
preserving energy for essential functions.
It is recommended that you eliminate or reduce your use of any nonessential features. This can help your vehicle
maintain adequate electrical power for essential functions other than driving, until it can be serviced.
If this alert remains present, it is recommended that you schedule service immediately. Without service, your vehicle
may not drive, may shut down unexpectedly, or may not restart.
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Troubleshooting Alerts
(VCBATT_a402)
Electrical system backup power is unavailable
Vehicle will consume more energy while idle
The backup power source for the electrical system, the low voltage battery, is not available or cannot provide the
voltage required to support all vehicle features.
The primary source of electrical power, the high voltage battery system, will continue to support vehicle functions,
even when your vehicle is idle. For more information on the high voltage battery, see About the High Voltage Battery
on page 181.
You may notice that your vehicle consumes more energy than usual when you are not driving it, or that your vehicle
displays a lower projected range than you would normally expect after charging. This is normal vehicle behavior
when this alert is present, and it will continue until the backup power source is restored.
You may also notice that some nonessential features are not available. This is expected behavior due to your vehicle
preserving energy for essential functions.
It is recommended that you limit or avoid the use of any nonessential features. This can help your vehicle maintain
adequate electrical power for essential functions.
There is a chance that an issue affecting the primary power source could cause your vehicle to shut down
unexpectedly.
It is recommended that you schedule service at your earliest opportunity, so the backup power source for the
electrical system can be restored.
(VCBATT_a478)
Low voltage battery service is required
Schedule service - Vehicle may not restart
The low voltage battery cannot provide the electrical support necessary to drive or continue driving.
If this alert is present while you are driving, your vehicle needs to come to a stop as soon as possible. Pull over safely
at your earliest opportunity.
It is possible your vehicle will shut down unexpectedly. It is also possible that your vehicle will not restart after the
current drive.
You may notice that some nonessential features are not available. This is expected behavior due to your vehicle
preserving energy for essential functions.
It is recommended that you eliminate or reduce your use of any nonessential features. This can help your vehicle
maintain adequate electrical power for essential functions other than driving, until it can be serviced.
If this alert remains present, it is recommended that you schedule service immediately. Without service, your vehicle
may not drive, may shut down unexpectedly, or may not restart.
(VCBATT_a496)
Vehicle is preparing to shut down
PULL OVER SAFELY
The electrical system cannot provide adequate support to drive or continue driving. Your vehicle is preparing to shut
down to preserve energy for essential functions other than driving.
Your vehicle cannot be driven or continue driving while this condition continues.
If this alert is present while you are driving, your vehicle needs to come to a stop as soon as possible. It is
recommended that you:
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Troubleshooting Alerts
• Pull over safely at your earliest opportunity
• Use your Mobile App to contact Tesla Roadside Assistance immediately, or seek other roadside assistance if
preferred
If you do not pull over safely within a short time, your vehicle may shut down unexpectedly. It is also possible that
your vehicle will not restart once parked.
It is possible your vehicle may lose all electrical power. If this occurs, you can still use the manual door releases to
exit the vehicle if necessary. For more information, see #unique_700 on page .
This alert may be present due to various vehicle conditions. For more information and further recommended actions,
check for other active vehicle alerts.
(VCSEC_a221)
Air pressure below recommendation for tires
Check pressure and refill air as needed
This alert does NOT indicate that there is a flat tire.
The tire pressure monitoring system (TPMS) has detected that the air pressure in one or more of your tires is at least
20% lower than the recommended cold tire pressure.
See Maintaining Tire Pressures on page 190 for detailed information on where to find the recommended cold
pressure (RCP) for your vehicle's tires, how to check tire pressures, and how to keep your tires properly inflated.
This alert may appear in cold weather because the air in your tires naturally contracts when it becomes cold,
decreasing tire pressures.
• Although drops in tire pressure are expected in colder weather, air should still be added to maintain the
recommended cold tire pressure.
• The alert may clear as the vehicle is driven. This is because the tires will warm up and the tire pressure will
increase.
Even if the alert clears, the tires should still be refilled with air once they have cooled. For the best experience
with your vehicle, the recommended cold tire pressure should be maintained at all times.
The alert should clear once the Tire Pressure Monitoring System detects that each of your tires is inflated to the
recommended cold pressure.
• The alert and Tire Pressure indicator light may still be present immediately after you have filled your tires to the
recommended cold pressure, but both should clear once you have driven a short distance.
• You may need to drive over 15 mph (25 km/h) for at least 10 minutes for the Tire Pressure Monitoring System to
measure and report your updated tire pressures.
If you repeatedly see this alert for the same tire, have the tire inspected for a slow leak. You can visit a local tire shop
or schedule service using your Tesla Mobile App.
For more information on tire pressure and inflation, see Tire Care and Maintenance on page 190.
(VCSEC_a228)
Air pressure in tires very low
PULL OVER SAFELY - Check for flat tire
This alert indicates that one or more of the tires on your vehicle is extremely low or flat.
The tire pressure monitoring system (TPMS) has detected that the air pressure in one or more of your tires is
significantly lower than the recommended cold tire pressure.
You should pull over carefully as soon as possible. In a safe location, check for a flat tire.
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Troubleshooting Alerts
You can request Tesla roadside assistance options (mobile tire, loaner wheel, tow) if required. See Contacting Tesla
Roadside Assistance on page 221 for more information.
In a non-emergency situation, it is recommended that you visit a local tire shop for assistance or schedule service
using your Tesla Mobile App.
See Maintaining Tire Pressures on page 190 for detailed information on where to find the recommended cold
pressure (RCP) for your vehicle's tires, how to check tire pressures, and how to keep your tires properly inflated.
The alert should clear once the Tire Pressure Monitoring System has a consistent tire pressure measurement for each
of your tires of at least 30 psi.
• The alert and Tire Pressure indicator light may still be present immediately after you have filled your tires to the
recommended cold pressure, but both should clear once you have driven a short distance.
• You may need to drive over 15 mph (25 km/h) for at least 10 minutes for the Tire Pressure Monitoring System to
measure and report your updated tire pressures.
For more information on tire pressure, inflation, and maintenance, see Tire Care and Maintenance on page 190.
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