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.
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.
(VCFRONT_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.
(VCFRONT_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
oers 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.
Troubleshooting Alerts
280 MODEL Y Owner's Manual
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