Alerts
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| Signal Name | Description | Condition | Impact |
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The Gen 2 Wall Connector reports a temperature high enough that AC charging should begin to fold back.
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The Gen 2 Wall Connector reports a temperature greater than 80 degrees C.
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AC charging speed is reduced.
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The Gen 2 Wall Connector reports a high temperature at which charging should stop.
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The Gen 2 Wall Connector reports a temperature greater than 90 degrees C.
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AC charging is unavailable.
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The power line communication relay (PLCRLY) is no longer receiving messages from the charge port (CP) electronic control unit (ECU). This alert is used only by PLCRLY.
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PLCRLY does not receive messages from the CP ECU within 10 times their expected rate of transmission.
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PLCRLYs on single-phase CP vehicles will not allow combined charging system (CCS) charging above 370A.
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The charge port (CP) electronic control unit (ECU) detected that the Combined Charging System (CCS) Combo 1 Adapter temperature is higher than expected. The charging rate may be reduced.
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The CP ECU detects that the CCS Combo 1 Adapter temperature is higher than acceptable operational range.
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The charging rate may be reduced or charging may be unexpectedly interrupted.
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The charge port (CP) electronic control unit (ECU) is not able to regulate the inlet heater.
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The CP ECU detects a steady state error of the inlet heater temperature, indicating a failure to regulate it.
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The CP inlet heater does not work.
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The charge port (CP) electronic control unit (ECU) loses communication with the HVLINK.
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The CP ECU does not receive all expected CAN messages from the HVLINK.
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Charging does not start.
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The charge port (CP) electronic control unit (ECU) detects an unexpected rapid rise in temperature.
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The CP ECU detects that thermal velocity, which is calculated each minute, exceeds the expected increase rate of temperature.
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DC charging is terminated and is blocked until the charge cable is disconnected.
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The charge port (CP) electronic control unit (ECU) detects that the CP inlet heater is not able to heat properly.
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The CP ECU detects that the inlet heater was unable to reach the inlet defrosting temperature.
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The CP inlet heater does not work and the CP may remain frozen, requiring defrosting by other means.
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Charge port (CP) door is expected to be closed but is still open.
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Charge port (CP) door is not detected as closed, even after it has been commanded to close.
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Charge port door may not close properly.
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The charge port (CP) electronic control unit (ECU) detects that the vehicle is connected to a Supercharger post that is updating.
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The Supercharger post reports to the vehicle that it is updating.
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Supercharging is unavailable at that post.
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The charge port (CP) electronic control unit (ECU) detects that the vehicle is connected to a Supercharger post that is out of service.
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The Supercharger post reports to the vehicle that it is out of service.
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Supercharging is unavailable at that post.
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The charge port (CP) electronic control unit (ECU) detects that the ultra-high frequency (UHF) receiver is missing (MIA).
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The CP ECU receiver no longer receives serial peripheral interface (SPI) communications from the UHF receiver.
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The CP door cannot be opened with the Tesla charge handle button.
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The charge port (CP) electronic control unit (ECU) loses communication with the power conversion system (PCS).
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The CP ECU does not receive all expected CAN messages from the PCS.
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AC charging does not start.
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The charge port (CP) electronic control unit (ECU) is unable to establish single wire controller area network (SWCAN) communications. .
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The CP ECU cannot establish SWCAN communications after multiple attempts.
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Charging does not start or is interrupted.
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The charge port (CP) electronic control unit (ECU) will delay an attempt to AC charge.
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The CP ECU detects that the electric vehicle supply equipment (EVSE) has encountered an issue too many times while AC charging.
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Charging does not start or is interrupted.
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The charge port (CP) detected that button was pressed on the charge cable connected to the Combined Charging System (CCS) Combo 1 Adapter.
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The charge handle proximity changed to the unlatched state indicating a button press.
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The Combo 1 charge cable may become unsecured or damaged.
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Proximity circuit was opened unexpectedly while charging. Charging may be interrupted.
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The charge port (CP) detects that there is no charge cable present while the vehicle is charging.
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Charging may be interrupted unexpectedly.
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Control pilot signal from charging station is lost while charging. Charging may be interrupted.
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Proximity is detected with no control pilot signal and no digital communications while the vehicle is charging.
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Charging may be interrupted unexpectedly.
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Charge port (CP) expects the cable to be secured, but the charge port latch has not secured the cable in place. AC charge rate may be reduced, and DC charging may be unavailable.
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A charge cable is detected. The charge port (CP) latch position sensor indicates the latch is disengaged, either after the charge port has attempted to engage the latch or when the latch is already expected to be engaged.
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AC charge rate may be reduced, and DC charging may be unavailable.
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The charge port (CP) has detected a missing control pilot signal while a charge cable is connected, which usually indicates the charge station does not have power. Charging may not start, and it may be necessary to try a different charge station.
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Proximity is detected with no control pilot signal and no digital communications, and the vehicle is not charging.
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Charging may not start.
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