Alternatively, you can check Mobile Connector or Wall Connector status lights to confirm power to the device, and
also refer to the product owner’s manual for troubleshooting information based on blink codes. If using other (nonTesla) external charging equipment, check for a display or other user interface that provides troubleshooting help.
If there is clearly no power to the charging equipment, check the circuit breaker for the wall outlet / Wall Connector
to make sure it has not tripped.
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Further troubleshooting tips based on equipment type:
• If using a Mobile Connector, try charging the vehicle with a different wall outlet.
◦ If the vehicle starts to charge, the issue was likely with the original wall outlet.
◦ If the vehicle still does not charge, the issue may be with the Mobile Connector.
• If using a Wall Connector, try charging the vehicle with different charging equipment like a Mobile Connector
powered by a separate wall outlet.
◦ If the vehicle starts to charge, the issue was likely with the Wall Connector.
If the issue is with the original wall outlet or the Wall Connector, contact an electrician to inspect the wiring
connection.
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.
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 225 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.
CHG_u001
Charge rate reduced - Unexpected voltage drop
Remove extension cords / Have wiring inspected
What this alert means:
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.
What to do:
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.
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.
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 225 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.

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CHG_u002
Charging stopped due to large voltage drop
Remove extension cords / Have wiring inspected
What this alert means:
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.
What to do:
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.
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.
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 225 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.
CHG_u004
Charging stopped - Power lost while charging
Check power source and charging equipment
What this alert means:
Power has been lost during charging. This could result from the charging equipment losing power from the source
(for example, a wall outlet) or from an issue with the charging equipment.
What to do:
This alert is often accompanied by other alerts that can help you identify and troubleshoot the issue. Start by
investigating any other displayed alerts that relate to charging issues.
Alternatively, you can check Mobile Connector or Wall Connector status lights to confirm power to the device, and
also refer to the product owner’s manual for troubleshooting information based on blink codes. If using other (nonTesla) external charging equipment, check for a display or other user interface that provides troubleshooting help.
If there is clearly no power to the charging equipment, check the circuit breaker for the wall outlet / Wall Connector
to make sure it has not tripped.
Further troubleshooting tips based on equipment type:
• If using a Mobile Connector, try charging the vehicle with a different wall outlet.
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◦ If the vehicle starts to charge, the issue was likely with the original wall outlet.
◦ If the vehicle still does not charge, the issue may be with the Mobile Connector.
• If using a Wall Connector, try charging the vehicle with different charging equipment like a Mobile Connector
powered by a separate wall outlet.
◦ If the vehicle starts to charge, the issue was likely with the Wall Connector.
If the issue is with the original wall outlet or the Wall Connector, contact an electrician to inspect the wiring
connection.
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.
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 225 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.
CHG_u005
Unable to charge - Charge station not powered
Check power source or try a different station
What this alert means:
Charging cannot begin because the charging equipment is not ready. A charge handle is detected, but the charging
station is not communicating with the vehicle. This issue could occur because:
• The charging station is not powered.
• The control pilot signal between the charging station and the vehicle is interrupted.
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.
What to do:
Try charging the vehicle with different charging equipment or at a different charging station.
• 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 using a Mobile Connector or Wall Connector, first check the status lights on the front. If no status lights are visible,
check the power source and contact an electrician to inspect the building wiring connection to the wall outlet or the
Wall Connector to confirm that all wires are properly connected and torqued.
If using other external charging equipment, consult the product's owner's manual to learn how to confirm that the
station is powered. Contact an electrician to inspect the building wiring and charging equipment as necessary.
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.
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 225 for more
details.
CHG_u006
Charge port latch not engaged
Fully insert charge cable or check for obstruction
What this alert means:

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The charge port latch is unable to latch the charge cable in the charge port inlet. 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 will be solid amber if this alert
appears when attempting to DC Fast Charge / Supercharge.
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.
What to do:
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. 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, inspect the charge port inlet and the charge cable
connector for any obstructions, such as debris, moisture, and/or foreign objects. Make sure any charge port inlet
obstruction has been removed and any moisture has been allowed to dry, then try re-inserting the cable into the
charge port.
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). For more information on using the charge port manual release, see Manually Releasing Charge Cable on
page 246.
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 225 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.
For more information on charging, see Charging Instructions on page 241.
CHG_u007
Charging equipment reports error
Check equipment for error code or message
What this alert means:
Charging was interrupted because the external charging equipment has reported a fault that prevents the vehicle
from charging.
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.
What to do:
Inspect the external charging equipment and look for status lights, displays, or other status indicators on the
equipment. 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.
Try charging the vehicle with different charging equipment or at a different charging station.
• 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.
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 225 for more
details.

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CHG_u010
External charging equipment error detected
Try different charging equipment
What this alert means:
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.
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 225 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.
CHG_u012
Power grid or vehicle issue limiting AC charging
Unplug and retry / Try different charging location
What this alert means:
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.
This may be due to power supply disturbances caused by the external charging equipment or by the electrical
power grid. In some cases, this condition may be the result of using nearby electric devices that draw a lot of power.
If these possible causes can be ruled out, then a condition with your vehicle itself may also be affecting AC charging.
What to do:
If this alert is accompanied by another alert that specifies the condition affecting AC charging, start by investigating
that alert.
Further troubleshooting tips based on equipment type:
• If using a Mobile Connector, try charging the vehicle with a different wall outlet.
◦ If the vehicle starts to charge, the issue was likely with the original wall outlet.
◦ If the vehicle still does not charge, the issue may be with the Mobile Connector.
• If using a Wall Connector, try charging the vehicle with different charging equipment like a Mobile Connector
powered by a separate wall outlet.
◦ If the vehicle starts to charge, the issue was likely with the Wall Connector.
If the issue is with the original wall outlet or the Wall Connector, contact an electrician to inspect the wiring
connection.

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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 225 for more
details.
If this alert persists when attempting to charge at multiple locations and with different charging equipment, it is
recommended that you schedule service.
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.
CHG_u013
Charging equipment communication lost
Check power source and charging equipment
What this alert means:
Charging stopped because communication between the vehicle and the external charging equipment was
interrupted.
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.
What to do:
Confirm whether the external charging equipment is powered by looking for any status lights, displays, or other
indicators on the equipment. 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 the equipment is not powered, try to restore the external charging equipment’s power source.
• If attempting to charge at a public station and power is unable to be restored, contact the station operator.
• If attempting to charge at a private station (for example: charging at home) and power is unable to be restored,
contact an electrician.
If the equipment is powered, try charging the vehicle using different external charging equipment.
• 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.
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 225 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.
CHG_u014
Charging equipment reports error
Check equipment for error code or message
What this alert means:
Charging was interrupted because the external charging equipment has reported a fault that prevents the vehicle
from charging.
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.
What to do:
Inspect the external charging equipment and look for status lights, displays, or other status indicators on the
equipment. 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.
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Try charging the vehicle with different charging equipment or at a different charging station.
• 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.
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 225 for more
details.
CHG_w032
Charge rate reduced - Wall connection hot
Outlet or Wall Connector wiring must be checked
What this alert means:
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.
What to do:
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.
CHG_w037
Unable to charge - Wall connection too hot
Outlet or Wall Connector wiring must be checked
What this alert means:
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.
What to do:
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 installation guide for your Wall Connector.
CP_w043
Charge port door sensor fault
Charge port may not operate as expected
What this alert means:
One of the charge port door sensors is not functioning normally. When this occurs, the charge port may be unable to
accurately sense the charge port door position and the charge port may not operate as expected.
• The charge port latch may intermittently remain engaged when the charge port door is opened.
• The charge port light may illuminate only intermittently when the charge port door is opened.
What to do:

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Try closing the charge port door and then opening it again.
For more information, see Opening the Charge Port on page 241.
For more information on charging, see Charging Instructions on page 241.
CP_w054
Charge port latch not engaged
Fully insert charge cable or check for obstruction
What this alert means:
The charge port latch is unable to latch the charge cable in the charge port inlet. 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 will be solid amber if this alert
appears when attempting to DC Fast Charge / Supercharge.
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.
What to do:
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. 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, inspect the charge port inlet and the charge cable
connector for any obstructions, such as debris, moisture, and/or foreign objects. Make sure any charge port inlet
obstruction has been removed and any moisture has been allowed to dry, then try re-inserting the cable into the
charge port.
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). For more information on using the charge port manual release, see Manually Releasing Charge Cable on
page 246.
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 225 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.
For more information on charging, see Charging Instructions on page 241.
DI_f138
Front motor disabled - OK to drive
Vehicle power may be limited
What this alert means:
Your vehicle's front motor is unavailable. Power, speed, and acceleration may be reduced as your vehicle uses the
rear motor(s) to continue driving.
What to do:
Continue to your destination.Your vehicle is OK to drive.
This alert may be caused by a temporary condition that will be resolved automatically. If this alert clears during your
current drive, or is no longer present when you start your next drive, it was likely caused by a temporary condition.
No action is required.
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This alert may also indicate a condition requiring front motor inspection and service. If this alert persists throughout
subsequent drives, it is recommended that you schedule service.Your vehicle is OK to drive in the meantime.
DI_u006
Vehicle automatically parked to prevent rollaway
Fasten seatbelt and close door to stay in gear
What this alert means:
Your vehicle has automatically shifted into Park (P) because it determined the driver was leaving or no longer
present. This is expected vehicle behavior under various circumstances.
Your vehicle will automatically shift into Park if all of these conditions are true:
• Autopark is not active
• Your vehicle is traveling slower than 1.4 mph (2.25 km/h) in Drive or Reverse
• The last driver activity was detected more than 2 seconds ago. Driver activity includes:
◦ Pressing the brake and/or accelerator pedal
And at least two of these conditions are true:
1. Driver seatbelt is detected as unbuckled.
2. Driver is not detected as present.
3. Driver door is detected as open.
NOTE: If your vehicle is running software from 2015 or later, it will automatically shift into Park immediately when all
three of the conditions above are true, regardless of vehicle speed or last detected press of the brake / accelerator
pedal.
Your vehicle will also automatically shift into Park if all of these conditions are true:
• Vehicle hold is engaged
• Your vehicle is in Drive (D) or Reverse (R)
• Driver door is detected as open
NOTE: Your vehicle will also automatically shift into Park when a charge cable is connected to the charge port.
What to do:
For more information on automatic shifting into Park, see Shifting on page 107.
DI_u015
Cruise control unavailable
What this alert means:
Cruise Control, including Traffic-Aware Cruise Control, is currently unavailable.
Cruise Control might be unavailable because:
• The driver canceled the request.
• The driver unbuckled their seatbelt.
• The front trunk, trunk, or a door is open.
• The vehicle is traveling below the Cruise Control minimum speed of 18 mph (30 km/h).
• There is an environmental condition, such as limited visibility.
• Valet mode is active.
What to do:
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Take control and drive your vehicle manually.
When any condition preventing Cruise Control activation is no longer present, Cruise Control should be available. If
this alert persists throughout subsequent drives, schedule service at your earliest convenience. Your vehicle is OK to
drive in the meantime.
For more information, see Traffic-Aware Cruise Control on page 161.
DI_u024
Autopark canceled
Take control
What this alert means:
Autopark has been canceled.
Autopark might have been canceled because:
• The driver pressed the Cancel button on the touchscreen.
• The driver moved the steering wheel.
• The driver pressed the accelerator pedal, pressed the brake pedal, or opened a door.
• There is a steep slope / grade.
• There is a weather condition affecting visibility.
• The curb cannot be detected.
• A trailer is attached to the vehicle.
What to do:
Park, or finish parking, your vehicle manually.
Autopark should be available again during your next drive.
For more information, see To Cancel Parking on page 190 and Limitations on page 190.
DI_u025
Autopark aborted
What this alert means:
Autopark has aborted and the Electronic Parking Brake has been applied.
Autopark might have been canceled because:
• The driver pressed the Cancel button on the touchscreen.
• The driver moved the steering wheel.
• The driver pressed the accelerator pedal, pressed the brake pedal, or opened a door.
• There is a steep slope / grade.
• There is a weather condition affecting visibility.
• The curb cannot be detected.
• A trailer is attached to the vehicle.
What to do:
Park, or finish parking, your vehicle manually.
Autopark should be available again during your next drive.
For more information, see To Cancel Parking on page 190 and Limitations on page 190.

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DI_u032
Adaptive ride control disabled
Drive with caution
What this alert means:
The speed of your vehicle is limited to 90 mph (144 km/h) due to an issue with the Adaptive Suspension Damping
system.
The system cannot provide real-time adjustments to the suspension system to optimize both ride and handling, and
as a result your ride may be softer than usual.
What to do:
If this alert persists throughout subsequent drives, schedule service at your earliest convenience. Your vehicle is OK
to drive in the meantime.
This alert is accompanied by a red indicator light on the instrument panel. For more information, see Air Suspension
on page 120.
DI_w039
Regenerative braking unavailable
Use brake pedal as needed
What this alert means:
Regenerative braking performance is temporarily reduced, and there is less automatic deceleration when you lift
your foot off the accelerator pedal while driving.
This alert may occur when:
• High voltage battery is near full charge. Regenerative braking is reduced when the battery is at 95% charge or
higher.
• High voltage battery is not warm enough. This can happen at the beginning of a drive. It may happen frequently
in colder climates.
What to do:
Your vehicle is OK to drive.
Use the brake pedal as needed to slow your vehicle, just as you would in a gas-powered, non-electric vehicle.
Driving your vehicle usually clears this alert, because it reduces the battery charge below 95% and/or sufficiently
heats the battery.
NOTE: In colder climates, this alert may remain present indefinitely and automatic deceleration may remain limited,
as driving your vehicle may not heat the battery enough to restore full regenerative braking performance. You can
use Defrost Car in the Tesla Mobile App to warm up the high voltage battery before you drive and restore normal
regenerative braking. For more information, see Cold Weather Best Practices on page 221.
This alert, by itself, does not typically indicate a condition requiring service. If this alert persists across drives, it may
indicate a condition affecting your vehicle’s regenerative braking ability, and it is recommended you schedule service
at your earliest convenience.
For more information, see Regenerative Braking on page 116.
DI_w138
Front motor disabled - OK to drive
Vehicle power may be limited
What this alert means:
Your vehicle's front motor is unavailable. Power, speed, and acceleration may be reduced as your vehicle uses the
rear motor(s) to continue driving.
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What to do:
Continue to your destination. Your vehicle is OK to drive.
This alert may be caused by a temporary condition that will be resolved automatically. If this alert clears during your
current drive, or is no longer present when you start your next drive, it was likely caused by a temporary condition.
No action is required.
This alert may also indicate a condition requiring front motor inspection and service. If this alert persists throughout
subsequent drives, it is recommended that you schedule service. Your vehicle is OK to drive in the meantime.
DI_w168
Vehicle Hold feature unavailable
Keep brake pedal pressed while stopped
What this alert means:
Vehicle Hold is currently unavailable due to system constraints. When stopping, use the brake pedal to bring your
vehicle to a complete stop and keep your vehicle stationary.
What to do:
Continue to your destination. Your vehicle is OK to drive.
If this alert persists throughout subsequent drives, schedule service at your earliest convenience. Your vehicle is OK
to drive in the meantime.
For more information, see Vehicle Hold on page 132.
DI_w172
Powertrain requires service
Avoid hard acceleration
What this alert means:
An issue has been detected in the powertrain system.
Your vehicle has detected excessive backlash (lash) between the drive unit and the wheels. High, or excessive, lash is
indicative of mechanical wear.
There are many possible causes, so a powertrain inspection is needed.
What to do:
It is recommended that you schedule service as soon as possible for a powertrain inspection.
Your vehicle is OK to drive in the meantime. You can drive to your immediate destination and to a service center.
Avoid hard or heavy acceleration, as this puts more stress on the powertrain.
Schedule a service appointment at your earliest opportunity. If this issue is not addressed, your vehicle might
unexpectedly stop while you are driving.
GTW_w017
Electrical system power reduced
Non-essential features may be unavailable
What this alert means:
Some non-essential features, like seat heaters or cabin heating / cooling, may be unavailable or may operate at a
reduced level. This is expected behavior designed to help your vehicle maintain adequate electrical power for
essential functions.
What to do:

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This alert may be present due to various vehicle conditions. For more information and further recommended actions,
check for other alerts specific to conditions affecting your vehicle’s electrical system.
GTW_w018
Electrical system power reduced
Non-essential features may be unavailable
What this alert means:
Some non-essential features, like seat heaters or cabin heating / cooling, may be unavailable or may operate at a
reduced level. This is expected behavior designed to help your vehicle maintain adequate electrical power for
essential functions.
What to do:
This alert may be present due to various vehicle conditions. For more information and further recommended actions,
check for other alerts specific to conditions affecting your vehicle’s electrical system.
GTW_w174
12V battery must be replaced - Schedule service
Software will not update until battery is replaced
What this alert means:
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.
What to do:
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, see
Battery Care on page 239 for recommended actions.
For more information on the battery system, see High Voltage Battery Information on page 239.
GTW_w360
Assist for low brake performance activated
To stop, keep brake pedal firmly pressed
What this alert means:
Hydraulic Fade Compensation is active. This brake assist function activates temporarily to make sure you have full
braking capability in conditions where reduced braking performance is detected by your vehicle.
When this assist function activates, you may feel the brake pedal pull away from your foot and notice a strong
increase in brake pressure. You may also hear a pumping sound coming from the brake hydraulic unit at the front of
the vehicle. This will usually last for a few seconds, depending on road surface and vehicle speed. This is completely
normal and does not indicate any issue with your vehicle.
What to do: