2023 TESLA MODEL 3 wiring

The wiring between the wall power and the Wall Connector has been incorrectly installed. Consult your electrician.
For more information, see the installation guide for your Wall Connector.
CC_a010
Unable to charge - Wall Connector issue
Wall Connector needs service
What this alert means:
Wall Connector hardware issue. Possible issues include:
1.
Contactor not working
2.
Self-test of internal ground fault monitoring circuit failed
3.
Thermal sensor disconnected
4.
Other hardware component issues
What to do:
An internal issue was detected by the Wall Connector.
1.
Try charging again by disconnecting the Wall Connector from the vehicle and reconnecting.
2.
If the issue persists, turn OFF the circuit breaker for the Wall Connector, wait 10 seconds, and turn the circuit
breaker ON again. Then try reconnecting the Wall Connector to the vehicle.
3.
If the issue persists, have an electrician make sure all wires are properly connected and torqued according to the
instructions in the Wall Connector Installation Manual.
4.
Once your electrician has completed all work and restored power to the Wall Connector, try charging again by reconnecting the Wall Connector to the vehicle.
5.
If the issue persists, the Wall Connector requires service.
For more information, see the installation guide for your Wall Connector.
CC_a011
Unable to charge - Wall Connector too hot
Let Wall Connector cool and try again
What this alert means:
Over temperature protection (latchoff).
What to do:
Make sure the Wall Connector is not covered by anything and that there is no heat source nearby. If the problem
persists in normal ambient temperatures
(under 100

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.
To regain normal charge operation, try the following steps.
If the Wall Connector is plugged into a wall outlet, make sure:

CC_a030
Unable to charge - Primary / paired unit mismatch
Wall Connector current ratings must match
What this alert means:
Load sharing (circuit breaker sharing) network: The paired Wall Connectors have different maximum current
capabilities.
What to do:
Only Wall Connectors with the same maximum current capabilities can be paired in a load sharing (circuit breaker
sharing) network. Have your electrician inspect the type labels on the Wall Connectors and make sure the current
capabilities match. It is further recommended that your electrician only pair Wall Connectors with the same part
number, as an easy way to make sure paired units are compatible.
For more information, see the installation guide for your Wall Connector.
CC_a041
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.
For more information, see the installation guide for your Wall Connector.
CC_a043
Wall Connector configuration must be completed
Refer to Installation Guide to enable charging
What this alert means:
Wall Connector configuration is incomplete.
What to do:
The Wall Connector needs to be commissioned to appropriately configure the circuit breaker size and protective
earth connection type.
For more information, refer to Commissioning Procedure in the Wall Connector Installation Manual. If the issue persists, contact an electrician to inspect the building wiring connection to the Wall Connector. They should make
sure the power output and grounding connections are properly
configured according to the installation guide for the
Wall Connector.
For more information, see the installation guide for your Wall Connector.
Troubleshooting Alerts
243Troubleshooting

If the alert remains present, limited AC charging should still be available.
For more information on charging, see Charging Instructions on page 158.
CP_a101
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.
CP_a102
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_a143
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

PCS_a054
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:

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 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.
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_a009
Cannot charge - Charge handle temperature high
Check charge handle or charge port for debris
What this alert means:
Charging has been interrupted because the Mobile Connector has detected a high temperature in the charge handle
that connects to your vehicle