MyTeslaMate App

Signal Name	Description	Condition	Impact
FC_w143_CA_pcb_OT	CHAdeMO DC fast charging is unavailable because the fast charge (FC) electric control unit (ECU) detects that the printed circuit board (PCB) is over the expected temperature.	The FC ECU detects that the CHAdeMO adapter PCB temperature is over the alert threshold.	DC fast charging is unavailable.
FC_w142_CA_evseConn_OT	CHAdeMO DC fast charging is unavailable because the fast charge (FC) electric control unit (ECU) detects that the electric vehicle supply equipment (EVSE) connector is over the expected temperature.	The FC ECU detects that the EVSE charge connector temperature is over the alert threshold.	DC fast charging is unavailable.
FC_w141_CA_vehConn_OT	CHAdeMO DC fast charging is unavailable because the fast charge (FC) electric control unit (ECU) detects that the vehicle charge connector is over the expected temperature.	The FC ECU detects that the vehicle charge connector temperature is over the alert threshold.	DC fast charging is unavailable.
FC_w140_CA_bmsIncompatible	The vehicle is unable to CHAdeMO DC fast charge (FC) because the battery management system (BMS) reports an incompatible protocol version.	The FC ECU detects that the BMS protocol version is not compatible with the CHAdeMO EVSE.	DC fast charging is unavailable.
FC_w138_CA_hwProxTrip	The vehicle is unable to CHAdeMO DC fast charge (FC) because the FC electronic control unit (ECU) detects proximity voltage indicating that the charge cable is not connected.	The FC ECU detects proximity voltage indicating that a charge cable is not fully connected.	DC fast charging is unavailable.
FC_w137_CA_evseRxBufOvf	The Fast Charge (FC) Electronic Control Unit (ECU) has experienced a bus heavy condition. Messages sent by the Electric Vehicle Supply Equipment (EVSE) stay in queue or overflow, interrupting communication with the charging session.	FC ECU detects a full or overflowing queue when attempting to receive messages from EVSE.	Charging session may not start or may become interrupted.
FC_w136_CA_evseTxBufOvf	The Fast Charge (FC) Electronic Control Unit (ECU) has detected a bus heavy condition when attempting to send messages to Electric Vehicle Supply Equipment (EVSE). Messages sent by the FC ECU stay in queue or overflow, interrupting communication with the charging session.	FC ECU detects the queue responsible for sending messages to EVSE is full or overflowing.	Charging session may not start or may become interrupted.
FC_w135_CA_vehRxBufOvf	The Fast Charge (FC) Electronic Control Unit (ECU) has experienced a bus heavy condition. Messages received by the FC ECU stay in queue or overflow, interrupting communication with the charging session.	FC ECU detects the queue responsible for receiving messages is full or overflowing.	Charging session may not start or may become interrupted.
FC_w134_CA_vehTxBufOvf	The Fast Charge (FC) Electronic Control Unit (ECU) has detected a bus heavy condition. Messages sent to the vehicle stay in queue or overflow, interrupting communication with the charging session.	FC ECU detects the queue responsible for sending messages to the vehicle is full or overflowing.	Charging session may not start or may become interrupted.
FC_w133_CA_evseMia	The vehicle is unable to CHAdeMO DC fast charge (FC) because the electric vehicle supply equipment (EVSE) is unavailable (MIA).	The FC ECU does not receive the expected messages from the EVSE.	DC fast charging is unavailable.
FC_w132_CA_bmsMia	The vehicle is unable to CHAdeMO DC fast charge (FC) because the battery management system (BMS) is unavailable (MIA).	The FC ECU does not receive the expected CAN messages from the BMS.	DC fast charging is unavailable.
FC_w131_CA_flyback_HW_OV	The vehicle is unable to begin CHAdeMO DC fast charging because the fast charge (FC) electronic control unit (ECU) detects a hardware overvoltage event during flyback.	The FC ECU detects that the flyback voltage is over the alert threshold.	DC fast charging is unavailable.
FC_w130_CA_flyback_SW_OV	The vehicle is unable to begin CHAdeMO DC fast charging because the fast charge (FC) electronic control unit (ECU) detects a software overvoltage event during flyback.	The FC ECU detects that the flyback voltage is over the alert threshold.	DC fast charging is unavailable.
FC_w129_CA_flyback_HW_OC	The vehicle is unable to begin CHAdeMO DC fast charging because the fast charge (FC) electronic control unit (ECU) detects a hardware overcurrent event during flyback.	The FCU ECU detects that the flyback current is over the alert threshold.	DC fast charging is unavailable.
FC_a313_GB_inputVoltageRailOv	The Fast Charge (FC) Electronic Control Unit (ECU) has detected the the voltage auxiliary power supply for the GuoBiao (GB) adapter is higher than 15V.	GB adapter detects an auxiliary power supply higher than 15V (Normal 12V).	Charging session may not start or interrupt.
FC_a312_GB_evseLimitsTimeout	The Fast Charge (FC) Electronic Control Unit (ECU) has detected the GuoBiao (GB) adapter was unable to receive a handshake via a charging maximum output limit (CML) message from Electric Vehicle Supply Equipment (EVSE) within 5 seconds during DC charge startup process.	GB adapter does not receive handshake parameter via CML message from EVSE within the expected 5 second time frame, resulting in a timeout condition.	Charging session may not start.
FC_w172_CA_ss2LowTimeout	The vehicle is unable to CHAdeMO DC fast charge because the electric vehicle supply equipment (EVSE) times out.	The EVSE does not assert that it is ready to charge within the timeout period.	DC fast charging is unavailable.
FC_a307_GB_fcContOpenTimeout	The Fast Charge (FC) Electronic Control Unit (ECU) has detected the vehicle fast charge contactor did not open within the expected 3 seconds after charging is complete or charging is stopped via the charging handle.	Vehicle fast charge contactor does not open in 3 seconds when charging is complete or charging is stopped by pressing button on charging handle.	Charging handle may not be unplugged due to engaged charge port latch.
FC_a306_GB_vehReadyDeasserted	The Fast Charge (FC) Electronic Control Unit (ECU) has detected the GuoBiao (GB) adapter was unable to receive a vehicle ready signal within 25 seconds.	GB adapter does not receive a vehicle ready signal within the expected 25 second time frame, resulting in a timeout condition.	Charging session may not start.
FC_a305_GB_posRecogTimeout	The Fast Charge (FC) Electronic Control Unit (ECU) has detected the GuoBiao (GB) adapter was unable to receive a handshake via a charger recognition (CRM) from Electric Vehicle Supply Equipment (EVSE) within 60 seconds. Message timeouts may result in the charging session not starting.	GB adapter does not receive a handshake via CRM message from EVSE within the expected 60 second time frame, resulting in a timeout condition.	Charging session may not start.

FC_w143_CA_pcb_OT

CHAdeMO DC fast charging is unavailable because the fast charge (FC) electric control unit (ECU) detects that the printed circuit board (PCB) is over the expected temperature.

The FC ECU detects that the CHAdeMO adapter PCB temperature is over the alert threshold.

DC fast charging is unavailable.

FC_w142_CA_evseConn_OT

CHAdeMO DC fast charging is unavailable because the fast charge (FC) electric control unit (ECU) detects that the electric vehicle supply equipment (EVSE) connector is over the expected temperature.

The FC ECU detects that the EVSE charge connector temperature is over the alert threshold.

DC fast charging is unavailable.

FC_w141_CA_vehConn_OT

CHAdeMO DC fast charging is unavailable because the fast charge (FC) electric control unit (ECU) detects that the vehicle charge connector is over the expected temperature.

The FC ECU detects that the vehicle charge connector temperature is over the alert threshold.

DC fast charging is unavailable.

FC_w140_CA_bmsIncompatible

The vehicle is unable to CHAdeMO DC fast charge (FC) because the battery management system (BMS) reports an incompatible protocol version.

The FC ECU detects that the BMS protocol version is not compatible with the CHAdeMO EVSE.

DC fast charging is unavailable.

FC_w138_CA_hwProxTrip

The vehicle is unable to CHAdeMO DC fast charge (FC) because the FC electronic control unit (ECU) detects proximity voltage indicating that the charge cable is not connected.

The FC ECU detects proximity voltage indicating that a charge cable is not fully connected.

DC fast charging is unavailable.

FC_w137_CA_evseRxBufOvf

The Fast Charge (FC) Electronic Control Unit (ECU) has experienced a bus heavy condition. Messages sent by the Electric Vehicle Supply Equipment (EVSE) stay in queue or overflow, interrupting communication with the charging session.

FC ECU detects a full or overflowing queue when attempting to receive messages from EVSE.

Charging session may not start or may become interrupted.

FC_w136_CA_evseTxBufOvf

The Fast Charge (FC) Electronic Control Unit (ECU) has detected a bus heavy condition when attempting to send messages to Electric Vehicle Supply Equipment (EVSE). Messages sent by the FC ECU stay in queue or overflow, interrupting communication with the charging session.

FC ECU detects the queue responsible for sending messages to EVSE is full or overflowing.

Charging session may not start or may become interrupted.

FC_w135_CA_vehRxBufOvf

The Fast Charge (FC) Electronic Control Unit (ECU) has experienced a bus heavy condition. Messages received by the FC ECU stay in queue or overflow, interrupting communication with the charging session.

FC ECU detects the queue responsible for receiving messages is full or overflowing.

Charging session may not start or may become interrupted.

FC_w134_CA_vehTxBufOvf

The Fast Charge (FC) Electronic Control Unit (ECU) has detected a bus heavy condition. Messages sent to the vehicle stay in queue or overflow, interrupting communication with the charging session.

FC ECU detects the queue responsible for sending messages to the vehicle is full or overflowing.

Charging session may not start or may become interrupted.

FC_w133_CA_evseMia

The vehicle is unable to CHAdeMO DC fast charge (FC) because the electric vehicle supply equipment (EVSE) is unavailable (MIA).

The FC ECU does not receive the expected messages from the EVSE.

DC fast charging is unavailable.

FC_w132_CA_bmsMia

The vehicle is unable to CHAdeMO DC fast charge (FC) because the battery management system (BMS) is unavailable (MIA).

The FC ECU does not receive the expected CAN messages from the BMS.

DC fast charging is unavailable.

FC_w131_CA_flyback_HW_OV

The vehicle is unable to begin CHAdeMO DC fast charging because the fast charge (FC) electronic control unit (ECU) detects a hardware overvoltage event during flyback.

The FC ECU detects that the flyback voltage is over the alert threshold.

DC fast charging is unavailable.

FC_w130_CA_flyback_SW_OV

The vehicle is unable to begin CHAdeMO DC fast charging because the fast charge (FC) electronic control unit (ECU) detects a software overvoltage event during flyback.

The FC ECU detects that the flyback voltage is over the alert threshold.

DC fast charging is unavailable.

FC_w129_CA_flyback_HW_OC

The vehicle is unable to begin CHAdeMO DC fast charging because the fast charge (FC) electronic control unit (ECU) detects a hardware overcurrent event during flyback.

The FCU ECU detects that the flyback current is over the alert threshold.

DC fast charging is unavailable.

FC_a313_GB_inputVoltageRailOv

The Fast Charge (FC) Electronic Control Unit (ECU) has detected the the voltage auxiliary power supply for the GuoBiao (GB) adapter is higher than 15V.

GB adapter detects an auxiliary power supply higher than 15V (Normal 12V).

Charging session may not start or interrupt.

FC_a312_GB_evseLimitsTimeout

The Fast Charge (FC) Electronic Control Unit (ECU) has detected the GuoBiao (GB) adapter was unable to receive a handshake via a charging maximum output limit (CML) message from Electric Vehicle Supply Equipment (EVSE) within 5 seconds during DC charge startup process.

GB adapter does not receive handshake parameter via CML message from EVSE within the expected 5 second time frame, resulting in a timeout condition.

Charging session may not start.

FC_w172_CA_ss2LowTimeout

The vehicle is unable to CHAdeMO DC fast charge because the electric vehicle supply equipment (EVSE) times out.

The EVSE does not assert that it is ready to charge within the timeout period.

DC fast charging is unavailable.

FC_a307_GB_fcContOpenTimeout

The Fast Charge (FC) Electronic Control Unit (ECU) has detected the vehicle fast charge contactor did not open within the expected 3 seconds after charging is complete or charging is stopped via the charging handle.

Vehicle fast charge contactor does not open in 3 seconds when charging is complete or charging is stopped by pressing button on charging handle.

Charging handle may not be unplugged due to engaged charge port latch.

FC_a306_GB_vehReadyDeasserted

The Fast Charge (FC) Electronic Control Unit (ECU) has detected the GuoBiao (GB) adapter was unable to receive a vehicle ready signal within 25 seconds.

GB adapter does not receive a vehicle ready signal within the expected 25 second time frame, resulting in a timeout condition.

Charging session may not start.

FC_a305_GB_posRecogTimeout

The Fast Charge (FC) Electronic Control Unit (ECU) has detected the GuoBiao (GB) adapter was unable to receive a handshake via a charger recognition (CRM) from Electric Vehicle Supply Equipment (EVSE) within 60 seconds. Message timeouts may result in the charging session not starting.

GB adapter does not receive a handshake via CRM message from EVSE within the expected 60 second time frame, resulting in a timeout condition.

Charging session may not start.

Alerts

Alerts