through the map on your vehicle's touchscreen display. See Maps and Navigation on page 443 for more details.
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
What this alert means:
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.
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.
What to do:
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
What this alert means:
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.

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What to do:
Make sure the Mobile Connector is fully inserted into your vehicle's charge port inlet.
Inspect the charge port inlet and the Mobile Connector handle for any obstructions or moisture. Make sure any obstruction in
the charge port or Mobile Connector handle has been removed and any moisture has been allowed to dry, then try re-inserting
the Mobile Connector handle into the charge port.
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 occurs 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 443 for more details.
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
What this alert means:
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.
What to do:
Make sure the wall plug adapter is fully connected to the Mobile Connector control box.
After unplugging from the power source (wall outlet), inspect the wall plug adapter connection and the Mobile Connector
control box connection for any obstructions or moisture.
It is recommended that any debris / foreign objects be removed. Make sure any obstruction has been removed and any
moisture has been allowed to dry, then try re-inserting the wall plug adapter into the Mobile Connector and then connecting to
the power source (wall outlet).
Also make sure the wall plug adapter 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 occurs 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 443 for more details.
For more information on troubleshooting Mobile Connector status lights and charging issues, refer to the product's owner's
manual.
VCLEFT_a130 / VCREAR_a130
Critical issue detected
PULL OVER SAFELY
What this alert means:
Your vehicle has detected a potential issue with its electrical system and/or steering system, and has initiated a controlled
shutdown process intended to provide you with an opportunity to pull over at a safe location.
This alert does not mean your vehicle has lost all electrical power or steering functionality, or that the steer-by-wire system is
unavailable. This alert indicates a possible issue with one of the multiple redundant sensors and actuators designed to make
sure the steer-by-wire system always remains available while driving, or with the electrical system's ability to provide power to
the steer-by-wire system.
Your vehicle's speed and power will be limited. Your vehicle will gradually lose all drive torque, and you must pull over.
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After you have pulled over and shifted into Park (P), you will have the option to drive again. Your vehicle will be limited to a very
low speed for emergency operation, such as repositioning your vehicle before it is towed.
What to do:
Pull over at a safe location, and bring your vehicle to a complete stop, at your earliest reasonable opportunity.
Once your vehicle is in Park (P) with the parking brake applied, you may choose to accept the stated conditions in the
message displayed on the touchscreen and shift out of Park (P). Your vehicle's speed and power will be very limited. This
limited drive torque will allow you to reposition your vehicle slightly at the parked location or prepare your vehicle to be towed,
but your vehicle should not be driven on public roads in this condition.
It is possible that exiting and re-entering your vehicle may clear the alert and restore functionality. If you attempt this
successfully, and no further alert messages display in the touchscreen indicating potential electrical or steering system issues,
or inability to drive, continue to your destination.
If this alert occurs again during your next drive, or occurs multiple times over subsequent drives, it is recommended that you
schedule service.
VCBATT_a180
VCLEFT_a194
Electrical system power reduced
Vehicle may shut down unexpectedly
What this alert means:
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.
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.
What to do:
It is recommended that you eliminate or reduce your use of any non-essential features. This can help your vehicle maintain
adequate electrical power for essential functions.
If this alert remains active, schedule service immediately. Without service, your vehicle may shut down unexpectedly or may
not restart.
VCBATT_a182
VCLEFT_a208
Schedule service to replace low voltage battery
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.
If the low voltage battery does not have enough electrical power to turn on your vehicle or open the doors, follow the
instructions in If Vehicle Has No Power on page 588Jump Starting on page 1066.
For more information on the battery system, see High Voltage Battery Information on page 463.

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VCBATT_a191
VCLEFT_a207
Electrical system power reduced
Vehicle shutting down
What this alert means:
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.
What to do:
If this alert is present while you are driving, your vehicle needs to come to a stop immediately. It is recommended that you:
• 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 Opening Doors from the Interior on page 72Opening Front Doors from Interior
on page 73Opening Doors from the Interior on page 779.
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
VCLEFT_a592
Electrical system is unable to support all features
Switching off features to conserve energy
What this alert means:
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 Opening Doors from the Interior on page 72Opening Front Doors from Interior
on page 73Opening Doors from the Interior on page 779.
What to do:
This alert may be present due to various vehicle conditions. For more information and further recommended actions, check for
other active vehicle alerts.

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VCBATT_a220
VCLEFT_a221
Electrical system is unable to support all features
Schedule service
What this alert means:
The low voltage battery cannot provide the electrical support necessary to drive or continue driving.
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.
What to do:
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 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.
VCLEFT_ a365 / VCREAR_ a365
Incline too steep to park vehicle and trailer
Parking brake may not hold - Move to flatter area
What this alert means:
Your vehicle has detected an attempt to park on a slope of 10% grade or greater while Trailer Mode is active. This alert
displays whenever Trailer Mode is active and your vehicle is parked on a steep slope, even if no trailer is attached.
What to do:
• No trailer attached: Exit Trailer Mode manually via your vehicle touchscreen, so the alert no longer displays when parking on
steep slopes without a trailer.
◦ For more information, see Trailer Mode in Towing a Trailer on page 888.
• Trailer attached: It is recommended that you park your vehicle and trailer in a more level area.
◦ The parking brake may not hold both vehicle and trailer on slopes of 10% grade or greater.
For more information, see Trailer Mode and Parking with a Trailer in Towing a Trailer on page 888.
VCBATT_a402
VCLEFT_a402
Electrical system backup power is unavailable
Vehicle will consume more energy while idle
What this alert means:
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 High Voltage Battery Information on page 463.
You may notice that some nonessential features are not available. This is expected behavior due to your vehicle preserving
energy for essential functions.

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You may also 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.
There is a chance that an issue affecting the primary power source could cause your vehicle to shut down unexpectedly.
What to do:
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.
It is recommended that you schedule service at your earliest opportunity, so the backup power source for the electrical system
can be restored.
VCBATT_a496
VCLEFT_a496
Vehicle is preparing to shut down
PULL OVER SAFELY
What this alert means:
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.
What to do:
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:
• 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 Opening Doors from the Interior on page 72Doors on page 71Opening Doors
from the Interior on page 779.
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
What this alert means:
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 489Tire Pressures on page 1013 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.
What to do:

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Add air to maintain the recommended cold tire pressure. Although drops in tire pressure are expected in colder weather, the
recommended cold tire pressure should be maintained at all times.
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.
The alert will 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 489Inspecting and Maintaining
Tires on page 1016.
VCSEC_a228
Air pressure in tires very low
PULL OVER SAFELY - Check for flat tire
What this alert means:
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.
What to do:
You should pull over carefully as soon as possible. In a safe location, check for a flat tire.
You can request Tesla roadside assistance options (mobile tire, loaner wheel, tow) if required. See Contacting Tesla Roadside
Assistance on page 588 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 489Tire Pressures on page 1013 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 should clear once the Tire Pressure Monitoring System has a consistent tire pressure measurement for each of your
tires that is no longer significantly below the recommended cold pressure (RCP).
• 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 and inflation, see Tire Care and Maintenance on page 489Inspecting and Maintaining
Tires on page 1016.

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Troubleshooting Alerts
APP_w009
Automatic Emergency Braking is unavailable
Feature may be restored on next drive
What this alert means:
The Automatic Emergency Braking feature is unavailable for the rest of your current drive. This alert does not specifically
indicate any other braking functions or features are unavailable.
This alert may be present for several reasons. Other alerts may be present for conditions that also cause Automatic
Emergency Braking to be unavailable.
What to do:
No action is typically required. Automatic Emergency Braking will usually be available again when you start your next drive.
If this alert persists across multiple drives, or occurs with increasing frequency over several drives, it is recommended that you
schedule service at your earliest convenience.
For more information, see Collision Avoidance Assist on page 406.
APP_w048
Autopilot features temporarily unavailable
Features may be restored on next drive
What this alert means:
Autopilot features are currently unavailable on your vehicle. Depending on the configuration of your vehicle, Autopilot features
that are disabled may include:
• Autosteer
• Traffic-Aware Cruise Control
• Automatic Emergency Braking
• Forward Collision Warning
• Lane Departure Warning
What to do:
This alert can be set for several reasons. Check for additional alerts that indicate the cause of this condition.
Typically, Autopilot features are restored on your next drive. If this alert persists across multiple drives, schedule service at
your earliest convenience.
For more information and the full list of Autopilot features, see About Autopilot on page 324.
APP_w207
Autosteer temporarily unavailable
What this alert means:
Autosteer is temporarily unavailable. This could be a temporary condition caused by an external factor, such as:
• Missing or faded lane markers.
• Narrow or winding roads.
• Poor visibility due to rain, snow, fog, or other weather.
• Extremely hot or cold temperatures.
• Bright light due to other vehicle headlights, direct sunlight, or other light sources.

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This alert will also be present if you exceeded the maximum speed limit for Autosteer with Autosteer active. In this case,
Autosteer will not be available for the rest of your current drive.
What to do:
Continue to your destination. If Autosteer is not available by the time you reach your destination, and remains unavailable
during your next planned drive, check for the following:
• Damage or obstruction caused by mud, ice, snow, or other environmental factors
• Obstruction caused by an object mounted on the vehicle, like a bike rack
• Obstructions caused by adding paint or adhesive products like wraps, stickers, or rubber coatings to your vehicle
• A damaged or misaligned bumper
If there are no obvious obstructions, or if you find damage to the vehicle, schedule service at your convenience. Your vehicle is
OK to drive in the meantime.
For more information, see Autosteer on page 353Autopilot Features on page 327.
APP_w218
Autosteer speed limit exceeded
Take control of steering wheel
What this alert means:
Autosteer is unavailable because your vehicle has exceeded the maximum speed limit for this driver assistance feature.
What to do:
Take immediate control of the steering wheelsteering yoke (or steering wheel) and maintain control until you reach your
destination.
In most cases, Autosteer will not be available for the rest of your current drive. To reset it, bring the vehicle to a complete stop
and shift into Park. When you shift into Drive to travel to your next destination, Autosteer should be available again.
NOTE: If this alert becomes active while you are driving in Germany, Autosteer should be available again once your vehicle is
traveling below the Autosteer speed limit.
If Autosteer is not available during your next drive, and remains unavailable throughout subsequent drives, schedule service at
your convenience. Your vehicle is OK to drive in the meantime.
For more information, see Autosteer on page 353Autopilot Features on page 327.
APP_w221
Cruise control unavailable
Reduced front radar visibility
What this alert means:
Traffic-Aware Cruise Control and Autosteer are unavailable because the radar located in the front bumper area of your vehicle
has no or low visibility.
This could be a temporary obstruction caused by factors like snow, ice, dirt, or mud.
What to do:
Continue to your destination. Your vehicle is OK to drive. Traffic-Aware Cruise Control and Autosteer will remain unavailable
as long as the radar lacks adequate visibility.
If the alert persists throughout your drive, examine the front bumper before your next planned drive and attempt to clear any
obstruction. See Cleaning a Camera on page 508Cleaning a Camera on page 773 for more information on clearing dirt or
debris from that area of the vehicle.

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If this alert persists throughout subsequent drives but no obstruction is visible on the front bumper where the radar is located,
schedule service at your earliest convenience. Your vehicle is OK to drive in the meantime.
APP_w222
Cruise control unavailable
Reduced front camera visibility
What this alert means:
Traffic-Aware Cruise Control and Autosteer are unavailable because one or more of the front cameras in your vehicle is
blocked or blinded by external conditions.
Traffic-Aware Cruise Control and Autosteer will remain unavailable while a front camera lacks adequate visibility. Cameras may
have limited or no visibility due to:
• Dirt or debris on the camera surface.
• Environmental conditions like rain, fog, snow, or dew.
• Bright sunlight or glare from another light source.
• Low or limited light conditions, including unlit or poorly lit roadways at night.
• Condensation (water droplets or mist) on the camera surface.
• Monotonous environmental features, including tunnel walls or highway dividers.
What to do:
Continue to your destination. Your vehicle is OK to drive.
This is often a temporary issue that clears up on its own. If the alert does not clear by the end of your drive:
• Inspect and clean the front camera area at the top center of the windshield before your next planned drive.
• Check the camera surface for condensation, dirt, or other debris and attempt to clear any obstruction.
See Cleaning a Camera on page 508Cleaning a Camera on page 773 for more information on clearing dirt or debris from that
area of the vehicle.
Although condensation on the inside of the front camera enclosure cannot be wiped clean, you can usually clear it quicker by
following these steps:
1. Pre-condition the cabin with the temperature set to High and A/C turned ON.
2. Turn on the front windshield defroster.
If this alert persists throughout subsequent drives but no front camera obstruction is visible, schedule service at your earliest
convenience. Your vehicle is OK to drive in the meantime.
APP_w224
Cruise control unavailable
Continue driving to allow cameras to calibrate
What this alert means:
Traffic-Aware Cruise Control and Autosteer are unavailable because the cameras on your vehicle are not fully calibrated.
Your vehicle must maneuver with great precision when features like Traffic-Aware Cruise Control and Autosteer are active.
Before these features can be used for the first time, the cameras must complete an initial self-calibration. Occasionally, one or
more cameras can become uncalibrated.
What to do:
Continue to your destination. Your vehicle is OK to drive.
Traffic-Aware Cruise Control and Autosteer will remain unavailable until camera calibration is complete.

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When calibration is complete, Traffic-Aware Cruise Control and Autosteer should be available.
For your convenience, a calibration progress indicator is displayed on the touchscreen. Calibration typically completes after
your vehicle has driven 20-25 miles (32-40 km), but the distance varies depending on road and environmental conditions. For
example, driving on a straight road with highly visible lane markings helps the cameras calibrate quicker.
If the alert persists and camera calibration has not completed after your vehicle has driven 100 miles (160 km) or more, or
Traffic-Aware Cruise Control and Autosteer remain unavailable despite successful camera calibration, schedule service at
your earliest convenience. Your vehicle is OK to drive in the meantime.
APP_w304
Camera blocked or blinded
Clean camera or wait for it to regain visibility
What this alert means:
One or more of the vehicle cameras has limited visibility, or no visibility at all, due to external conditions. When the cameras on
your vehicle cannot provide accurate visual information, some or all Autopilot features may be temporarily unavailable.
Cameras may have limited or no visibility due to:
• Dirt or debris on the camera surface.
• Environmental conditions like rain, fog, snow, or dew.
• Bright sunlight or glare from another light source.
• Low or limited light conditions, including unlit or poorly lit roadways at night.
• Condensation (water droplets or mist) on the camera surface.
• Monotonous environmental features, including tunnel walls or highway dividers.
What to do:
Continue to your destination. Your vehicle is OK to drive. This is often a temporary issue that will be resolved when
condensation evaporates, or when a particular environmental condition or feature is no longer present.
If the alert does not clear by the time you reach your destination, check camera surfaces for condensation, dirt, or other
debris. For camera locations, see Cameras on page 53Cameras on page 769.
Clean the cameras as necessary before your next planned drive. For recommended cleaning procedures, see Cleaning a
Camera on page 508Cleaning a Camera on page 773.
If you continue to see this alert after cleaning the cameras, check the inside surfaces of the door pillar camera enclosures for
condensation. Although condensation inside the camera enclosures cannot be wiped clean, you can usually clear it faster by
following these steps:
1. Precondition the cabin by turning Climate ON, setting temperature to High, and making sure A/C is ON.
2. Turn on the front windshield defroster.
3. Direct the air vents toward the door pillar cameras.
For more information on clearing condensation from camera enclosures, see Cleaning a Camera on page 508Cleaning a
Camera on page 773.
If the alert does not clear by the end of your next planned drive, despite cleaning the indicated camera(s) and following
recommended steps to clear condensation, schedule service at your next convenient opportunity. Your vehicle is OK to drive
in the meantime.
BMS_u006
Vehicle shutting down - PULL OVER SAFELY
Battery charge level too low
What this alert means:
Your vehicle has detected that the high voltage battery does not have enough energy remaining to support driving.
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Your vehicle will be unable to drive or continue driving until charged.
If this alert is present while you are driving, your vehicle needs to shut down. A separate vehicle alert should be present to
indicate this condition. It is also possible your vehicle may shut down unexpectedly.
If this alert is present when your vehicle is parked, you may be unable to drive.
This alert is usually present because your vehicle's high voltage battery charge level has been reduced through normal
operation.
What to do:
Charge your vehicle immediately. Charging your vehicle should restore your vehicle's ability to drive.
If this alert occurs during subsequent drives, despite a displayed battery charge level of 5% or higher, schedule service at your
earliest convenience.
For more information on the high voltage battery, see High Voltage Battery Information on page 463.
For more information on charging, see Charging Instructions on page 465Charging Instructions on page 985.
BMS_u018
Maximum battery charge level reduced
OK to drive - Schedule service
What this alert means:
Your vehicle has detected a condition internal to the high voltage battery that is limiting the battery’s performance. As a result,
maximum charge level and range are reduced. Service is required to restore full performance.
What to do:
If this alert persists, schedule service soon. Without service, your vehicle's maximum charge level and range will remain
limited.
Your vehicle is OK to drive and charge.
For more information on the high voltage battery, see High Voltage Battery Information on page 463.
BMS_u030
Charging adapter has electric arc flash hazard
Use different charging equipment
What this alert means:
Charging is unavailable because your vehicle has detected an electric arc flash hazard in the third-party charging adapter used
to connect a Combined Charging System (CCS) charge handle to your vehicle’s charge port.
An electric arc flash can occur if you attempt to unplug while actively charging with the third-party charging adapter, and an
electric arc flash can cause serious bodily injury and/or property damage.
What to do:
Follow the steps below to mitigate this risk:
• Make sure charging is completely stopped.
1. Use your vehicle touchscreen to confirm charging has stopped, or to stop charging if necessary.
2. Use the charging station display and controls to confirm charging has stopped, or to end any active charging session.
• Make sure no flashing green or blue light (LED) is visible on your vehicle’s charge port.
• Unplug the charging adapter from your vehicle’s charge port.
• Confirm again that the charging station indicates no active charging session.
• Unplug the charging adapter from the charge handle.
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Use different charging equipment to charge your vehicle. For more information on charging, see Charging Instructions on
page 465Charging Instructions on page 985.
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 443 for more details.
BMS_u031
Battery fuse requires replacement soon
OK to drive - Schedule service
What this alert means:
A fuse in your vehicle’s high voltage battery is very near the end of its lifetime and requires replacement.
What to do:
It is recommended that you schedule service as soon as possible to have the high voltage battery fuse replaced.
Your vehicle is OK to drive in the meantime. However, you may notice reduced speed and acceleration while driving.
For more information on the high voltage battery system, see High Voltage Battery Information.
BMS_u032
Battery fuse replacement required
OK to drive - Schedule service
What this alert means:
A fuse in your vehicle’s high voltage battery is very near the end of its lifetime and requires replacement.
What to do:
It is recommended that you schedule service as soon as possible to have the high voltage battery fuse replaced.
Your vehicle is OK to drive in the meantime. However, you may notice reduced speed and acceleration while driving.
For more information on the high voltage battery system, see High Voltage Battery Information.
BMS_w176
Battery fuse replacement required
OK to drive - Schedule service immediately
What this alert means:
A fuse in your vehicle’s high voltage battery is at the end of its lifetime and requires immediate replacement.
What to do:
It is recommended that you schedule service immediately to have the high voltage battery fuse replaced.
Continue to your immediate destination. Your vehicle is OK to drive. However, you may notice reduced speed and acceleration
while driving.
For more information on the high voltage battery system, see High Voltage Battery Information.
CC_f001
Unable to charge - Insufficient grounding
Proper wiring or outlet grounding must be verified
What this alert means:
No ground connection detected in the Wall Connector.
What to do:

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Owner's Manual

Owners Manual
Have the Wall Connector inspected by an electrician to make sure it is properly grounded. Your electrician should ensure there
is proper grounding at your circuit breaker or power distribution box and also ensure that appropriate connections are made to
the Wall Connector.
For more information, see the installation guide for your Wall Connector.
CC_f002
Unable to charge - Insufficient grounding
Disconnect and retry or use different equipment
What this alert means: