MyTeslaMate App

Signal Name	Description	Condition	Impact
CP_w067_gbdcConnFault	The charge port (CP) electronic control unit (ECU) detects that a GB (Charging standard used in China) DC charger has an issue with the connector.	The CP ECU receives stop messages from the GB DC charger with the connector faulted bit set.	GB DC charging does not start or is interrupted.
CP_w068_doorSensorMismatch	The charge port (CP) electronic control unit (ECU) detects that the inductive sensor and potentiometer readings of the CP door position do not match.	The CP door position readings from the inductive sensor and potentiometer do not match.	The charge port door may not open when requested.
CP_w035_latchMovement_1	The charge port (CP) electronic control unit (ECU) detects that the latch has been manually disengaged.	The CP ECU detects that the latch transitions to the disengaged state from the engaged or blocking state without actuating it.	Charging is interrupted.
CP_a131_evseCommTimeout	Communication times out between the charge port (CP) electronic control unit (ECU) and the electric vehicle supply equipment (EVSE).	The EVSE and the CP ECU cannot establish communication within the set timeframe between being connected and starting to charge.	Charging does not start.
CP_w018_fiveVuv	The charge port (CP) electronic control unit (ECU) detects an under voltage condition on the internal 5V power supply.	The internal 5V power supply voltage measured by the CP ECU is below 4.5V.	The charge port may not function as expected.
CP_w017_fiveVov	The charge port (CP) electronic control unit (ECU) detects an over voltage condition on the internal 5V power supply.	The internal 5V power supply voltage measured by the CP ECU is above 5.5V.	The charge port may not function as expected.
CP_w016_apsVuv	The charge port (CP) electronic control unit (ECU) detects lower than expected voltage from the low voltage (LV) battery.	The CP ECU detects LV supply less than 8V.	Charging does not start.
CP_w015_apsVov	The charge port (CP) electronic control unit (ECU) detects an over voltage condition on the external low voltage (LV) power supply.	The external LV power supply voltage measured by the CP ECU is above 16.5V.	Charging may not start or may be interrupted. If the voltage is too high, the CP ECU may become damaged.
CP_w012_ledDriver	The charge port (CP) electronic control unit (ECU) detects an issue with the LED driver.	The LED driver reports a fault.	The charge port LED may not display colors properly or at all.
CP_w011_eeprom	The charge port (CP) electronic control unit (ECU) detects an internal memory condition on the electrically erasable programmable read-only memory (EEPROM).	The CP ECU detects an internal EEPROM condition.	Charging may not start or may be interrupted.
CP_w010_pilotRationality	The charge port (CP) electronic control unit (ECU) receives pilot sensor readings that are outside of the expected range.	The CP ECU senses pilot voltage, period, or a duty cycle outside of the expected range that cannot be categorized into a valid pilot state.	Charging does not start.
CP_w008_memoryError	The charge port (CP) electronic control unit (ECU) detects a memory error.	The CP ECU detects a memory error.	Charging may not start or may be interrupted.
CP_w006_lostCommsBMS	Expected Battery Management System (BMS) controller area network (CAN) messages are missing. Charging may not start.	Charge port (CP) does not receive all expected controller area network (CAN) messages from the Battery Management System (BMS).	Charging may not start.
CP_w005_gbdcLiveDisconnect	The charge port (CP) electronic control unit (ECU) has detected that a GB (Charging standard used in China) CC1 or CC2 charger disconnected unexpectedly during charge.	The CP ECU detects that CC1 or CC2 is disconnected while in the active GB DC charging state.	Charging may be interrupted unexpectedly, and there could be damage to the charge inlet if the charge cable is disconnected while under load.
CP_w004_proximityRationality	The charge port (CP) electronic control unit (ECU) detects proximity voltage in an unexpected range.	The CP ECU detects that proximity voltage is outside of the expected range.	If the issue is with the vehicle, it will not be able to charge.
CP_a189_resistivePresenceRationality	The Charge Port (CP) Electronic Control Unit (ECU) is reading irrational values from resistive divider located in the CP door, which may prevent the CP door from opening when pressed.	The values from the resistive divider in the CP door are outside of the expected range.	The CP may not be able to determine the state of the manual door.
CP_a188_v2lEvseRequiresUpdate	Vehicle is connected to an unpowered Electric Vehicle Supply Equipment (EVSE) with an incompatible software version for Vehicle To Load (V2L).	The CP detects a mismatch on V2L capable EVSE protocol version and the EVSE has remained in a connected and unpowered state.	Vehicle to load functionality until EVSE is updated.
CP_a185_pncAuthRejection	The charging station reports a payment authorization failure.	The charging station reports a payment authorization failure.	Charging may stop and not restart.
CP_a173_coverOpenAcChgBlocked	AC charging is unavailable because the charge port (CP) electronic control unit (ECU) has detected that the CP AC charging connector is not present on the back of the CP inlet.	The CP ECU detects the charge port AC charging connector is not present.	AC charging will be unavailable.
CP_a171_bedOutletDoorIrrational	The charge port (CP) detects that the bed outlet door sensor is irrational, resulting in the bed outlets being permanently turned off.	The CP detects the bed outlet door sensor is reporting values outside the nominal range.	The bed outlets will not be functional.

CP_w067_gbdcConnFault

The charge port (CP) electronic control unit (ECU) detects that a GB (Charging standard used in China) DC charger has an issue with the connector.

The CP ECU receives stop messages from the GB DC charger with the connector faulted bit set.

GB DC charging does not start or is interrupted.

CP_w068_doorSensorMismatch

The charge port (CP) electronic control unit (ECU) detects that the inductive sensor and potentiometer readings of the CP door position do not match.

The CP door position readings from the inductive sensor and potentiometer do not match.

The charge port door may not open when requested.

CP_w035_latchMovement_1

The charge port (CP) electronic control unit (ECU) detects that the latch has been manually disengaged.

The CP ECU detects that the latch transitions to the disengaged state from the engaged or blocking state without actuating it.

Charging is interrupted.

CP_a131_evseCommTimeout

Communication times out between the charge port (CP) electronic control unit (ECU) and the electric vehicle supply equipment (EVSE).

The EVSE and the CP ECU cannot establish communication within the set timeframe between being connected and starting to charge.

Charging does not start.

CP_w018_fiveVuv

The charge port (CP) electronic control unit (ECU) detects an under voltage condition on the internal 5V power supply.

The internal 5V power supply voltage measured by the CP ECU is below 4.5V.

The charge port may not function as expected.

CP_w017_fiveVov

The charge port (CP) electronic control unit (ECU) detects an over voltage condition on the internal 5V power supply.

The internal 5V power supply voltage measured by the CP ECU is above 5.5V.

The charge port may not function as expected.

CP_w016_apsVuv

The charge port (CP) electronic control unit (ECU) detects lower than expected voltage from the low voltage (LV) battery.

The CP ECU detects LV supply less than 8V.

Charging does not start.

CP_w015_apsVov

The charge port (CP) electronic control unit (ECU) detects an over voltage condition on the external low voltage (LV) power supply.

The external LV power supply voltage measured by the CP ECU is above 16.5V.

Charging may not start or may be interrupted. If the voltage is too high, the CP ECU may become damaged.

CP_w012_ledDriver

The charge port (CP) electronic control unit (ECU) detects an issue with the LED driver.

The LED driver reports a fault.

The charge port LED may not display colors properly or at all.

CP_w011_eeprom

The charge port (CP) electronic control unit (ECU) detects an internal memory condition on the electrically erasable programmable read-only memory (EEPROM).

The CP ECU detects an internal EEPROM condition.

Charging may not start or may be interrupted.

CP_w010_pilotRationality

The charge port (CP) electronic control unit (ECU) receives pilot sensor readings that are outside of the expected range.

The CP ECU senses pilot voltage, period, or a duty cycle outside of the expected range that cannot be categorized into a valid pilot state.

Charging does not start.

CP_w008_memoryError

The charge port (CP) electronic control unit (ECU) detects a memory error.

The CP ECU detects a memory error.

Charging may not start or may be interrupted.

CP_w006_lostCommsBMS

Expected Battery Management System (BMS) controller area network (CAN) messages are missing. Charging may not start.

Charge port (CP) does not receive all expected controller area network (CAN) messages from the Battery Management System (BMS).

Charging may not start.

CP_w005_gbdcLiveDisconnect

The charge port (CP) electronic control unit (ECU) has detected that a GB (Charging standard used in China) CC1 or CC2 charger disconnected unexpectedly during charge.

The CP ECU detects that CC1 or CC2 is disconnected while in the active GB DC charging state.

Charging may be interrupted unexpectedly, and there could be damage to the charge inlet if the charge cable is disconnected while under load.

CP_w004_proximityRationality

The charge port (CP) electronic control unit (ECU) detects proximity voltage in an unexpected range.

The CP ECU detects that proximity voltage is outside of the expected range.

If the issue is with the vehicle, it will not be able to charge.

CP_a189_resistivePresenceRationality

The Charge Port (CP) Electronic Control Unit (ECU) is reading irrational values from resistive divider located in the CP door, which may prevent the CP door from opening when pressed.

The values from the resistive divider in the CP door are outside of the expected range.

The CP may not be able to determine the state of the manual door.

CP_a188_v2lEvseRequiresUpdate

Vehicle is connected to an unpowered Electric Vehicle Supply Equipment (EVSE) with an incompatible software version for Vehicle To Load (V2L).

The CP detects a mismatch on V2L capable EVSE protocol version and the EVSE has remained in a connected and unpowered state.

Vehicle to load functionality until EVSE is updated.

CP_a185_pncAuthRejection

The charging station reports a payment authorization failure.

Charging may stop and not restart.

CP_a173_coverOpenAcChgBlocked

AC charging is unavailable because the charge port (CP) electronic control unit (ECU) has detected that the CP AC charging connector is not present on the back of the CP inlet.

The CP ECU detects the charge port AC charging connector is not present.

AC charging will be unavailable.

CP_a171_bedOutletDoorIrrational

The charge port (CP) detects that the bed outlet door sensor is irrational, resulting in the bed outlets being permanently turned off.

The CP detects the bed outlet door sensor is reporting values outside the nominal range.

The bed outlets will not be functional.

Alerts

Alerts