MyTeslaMate App

Signal Name	Description	Condition	Impact
VCFRONT_a121_pumpBatICLatchFault	The vehicle controller detects the LV8907 integrated circuit on the battery pump motor is experiencing an electrical condition (short or disconnect), which may prevent the battery pump from running as expected.	The LV8907 integrated circuit on the battery pump motor experiences an electrical condition (short or disconnect) that prevents the motor controller from driving the motor.	Powertrain performance may be limited.
VCFRONT_a121_pumpChillerICLatchFault	The front vehicle controller (VCFRONT) detects the LV8907 integrated circuit on the chiller pump motor is experiencing an electrical condition (short or disconnect), which may prevent the chiller pump from running as expected.	The LV8907 integrated circuit on the chiller pump motor experiences an electrical condition (short or disconnect) that prevents the motor controller from driving the motor.	Powertrain performance may be limited.
VCFRONT_a123_pumpPtICLatchFault	The front vehicle controller (VCFRONT) detects the LV8907 integrated circuit on the powertrain pump is experiencing an electrical condition (short or disconnect), which may prevent the powertrain pump from running as expected.	The LV8907 integrated circuit on the powertrain pump motor experiences an electrical condition (short or disconnect) that prevents the motor controller from driving the motor.	Powertrain performance may be limited.
VCFRONT_a120_DI_DRIVE_MIA	One or more of the messages the vehicle controller receives periodically from the drive interface (DI) electronic control unit (ECU) is not received while the vehicle is in Drive, indicating the DI ECU may be unavailable (MIA).	One or more of the expected messages from the DI ECU is not received while the vehicle is in Drive.	Vehicle speed and power may be limited.
VCFRONT_a150_pumpBatLowRPMCBang	The vehicle controller detects the battery pump motor is unable to reach the target RPM, which may prevent the battery pump from running as expected.	The battery pump motor is unable to reach the target RPM.	Powertrain performance may be limited.
VCFRONT_a124_pumpPtICWarning	The front vehicle controller (VCFRONT) detects LV8907 integrated circuit on the powertrain pump motor issued a warning, which may prevent the powertrain pump from running as expected.	The LV8907 integrated circuit on the on the powertrain pump motor issues a circuit warning that prevents the motor controller from driving the motor.	Powertrain performance may be limited.
VCFRONT_a118_VCFRONT_MIA	One or more of the messages the vehicle controller receives periodically from the front vehicle controller (VCFRONT) is not received, indicating the VCFRONT may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the VCFRONT within the expected time frame.	Vehicle functions that depend on the VCFRONT may be unavailable or may not function as expected.
VCFRONT_a139_refrigSuctPresSns	The front vehicle controller (VCFRONT) detects the refrigerant suction pressure sensor is experiencing an electrical condition (short or disconnect).	The refrigerant suction pressure sensor reads a power rail or ground reference voltage.	Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.
VCFRONT_a126_thmlFanICWarning	The integrated circuit (IC) in the front vehicle controller (VCFRONT) reports a condition affecting thermal fan functionality. Cabin HVAC / climate control cooling (air conditioning) and powertrain performance may be limited.	The front vehicle controller (VCFRONT) integrated circuit (IC) detects and reports a condition that may affect thermal fan functionality.	The thermal fan may not function as expected. Cabin HVAC / climate control cooling (air conditioning) and powertrain performance may be limited.
VCFRONT_a117_VCLEFT_MIA	One or more of the messages the vehicle controller receives periodically from the left vehicle controller (VCLEFT) is not received, indicating the VCLEFT may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the VCLEFT within the expected time frame.	Vehicle functions that depend on the VCLEFT may be unavailable or may not function as expected.
VCFRONT_a119_SCCM_MIA	One or more of the messages the vehicle controller receives periodically from the Steering Column Control Module (SCCM) is not received, indicating the SCCM may be unavailable (MIA).	One or more of the expected messages from the SCCM is not received.	Vehicle may be unable to shift between drive modes.
VCFRONT_a111_EPBR_MIA	One or more of the messages the vehicle controller receives periodically from the right Electronic Park Brake (EPBR) electronic control unit (ECU) is not received, indicating the EPBR ECU may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the EPBR ECU within the expected time frame.	The parking brake may be unavailable or may not function as expected.
VCFRONT_a112_EPBL_MIA	One or more of the messages the vehicle controller receives periodically from the left Electronic Park Brake (EPBL) electronic control unit (ECU) is not received, indicating the EPBL ECU may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the EPBL ECU within the expected time frame.	The parking brake may be unavailable or may not function as expected.
VCFRONT_a148_thmlFanSoftStall	The vehicle controller detects the thermal fan motor is unable to reach the target RPM, which may prevent the thermal fan from running as expected.	The thermal fan motor is unable to reach the target RPM.	Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.
VCFRONT_a114_ESP_MIA	One or more expected Controller Area Network (CAN) messages from the Electronic Stability Program (ESP) electronic control unit (ECU) was not received. Stability and traction control functions may be unavailable, or their performance may be affected.	An expected CAN message from the Electronic Stability Program (ESP) electronic control unit (ECU) has not been received within the expected timeout, or the message drop rate is too high while the ESP is CAN active. The ESP is considered CAN active when VCFRONT_privateGoToSleep is 0 AND VCFRONT_espLVState is LV_ON.	Stability and traction control functions may be unavailable, or their performance may be affected.
VCFRONT_a109_RCM_MIA	One or more of the messages the vehicle controller receives periodically from the Restraint Control Module (RCM) is not received, indicating the RCM may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the RCM within the expected time frame.	Vehicle functions that depend on the RCM may be unavailable or may not function as expected.
VCFRONT_a110_GTW_MIA	One or more expected Controller Area Network (CAN) messages from the vehicle gateway (GTW) was not received. Vehicle functions that depend on CAN messages from the GTW may be unavailable, or their performance may be affected.	An expected CAN message from the vehicle gateway (GTW) has not been received within the expected timeout, or the message drop rate is too high while the GTW is CAN active. The GTW is considered CAN active when VCFRONT_vehGoToSleep is 0.	Vehicle functions that depend on CAN messages from the vehicle gateway (GTW) may be unavailable, or their performance may be affected.
VCFRONT_a105_TAS_MIA	One or more of the messages the vehicle controller receives periodically from the Tesla Air Suspension (TAS) electronic control unit (ECU) is not received, indicating the TAS ECU may be unavailable (MIA).	One or more of the expected messages from the TAS ECU is not received.	The air suspension may not function as expected.
VCFRONT_a106_PCS_MIA	One or more of the messages the vehicle controller receives periodically from the power conversion system (PCS) electronic control unit (ECU) is not received, indicating the PCS ECU may be unavailable (MIA).	One or more of the expected messages from the PCS ECU is not received.	The vehicle may be unable to charge.
VCFRONT_a103_CP_MIA	One or more of the messages the vehicle controller receives periodically from the charge port (CP) electronic control unit (ECU) is not received, indicating the CP ECU may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the CP ECU within the expected time frame.	Charging may not start or may be interrupted unexpectedly.

VCFRONT_a121_pumpBatICLatchFault

The vehicle controller detects the LV8907 integrated circuit on the battery pump motor is experiencing an electrical condition (short or disconnect), which may prevent the battery pump from running as expected.

The LV8907 integrated circuit on the battery pump motor experiences an electrical condition (short or disconnect) that prevents the motor controller from driving the motor.

Powertrain performance may be limited.

VCFRONT_a121_pumpChillerICLatchFault

The front vehicle controller (VCFRONT) detects the LV8907 integrated circuit on the chiller pump motor is experiencing an electrical condition (short or disconnect), which may prevent the chiller pump from running as expected.

The LV8907 integrated circuit on the chiller pump motor experiences an electrical condition (short or disconnect) that prevents the motor controller from driving the motor.

Powertrain performance may be limited.

VCFRONT_a123_pumpPtICLatchFault

The front vehicle controller (VCFRONT) detects the LV8907 integrated circuit on the powertrain pump is experiencing an electrical condition (short or disconnect), which may prevent the powertrain pump from running as expected.

The LV8907 integrated circuit on the powertrain pump motor experiences an electrical condition (short or disconnect) that prevents the motor controller from driving the motor.

Powertrain performance may be limited.

VCFRONT_a120_DI_DRIVE_MIA

One or more of the messages the vehicle controller receives periodically from the drive interface (DI) electronic control unit (ECU) is not received while the vehicle is in Drive, indicating the DI ECU may be unavailable (MIA).

One or more of the expected messages from the DI ECU is not received while the vehicle is in Drive.

Vehicle speed and power may be limited.

VCFRONT_a150_pumpBatLowRPMCBang

The vehicle controller detects the battery pump motor is unable to reach the target RPM, which may prevent the battery pump from running as expected.

The battery pump motor is unable to reach the target RPM.

Powertrain performance may be limited.

VCFRONT_a124_pumpPtICWarning

The front vehicle controller (VCFRONT) detects LV8907 integrated circuit on the powertrain pump motor issued a warning, which may prevent the powertrain pump from running as expected.

The LV8907 integrated circuit on the on the powertrain pump motor issues a circuit warning that prevents the motor controller from driving the motor.

Powertrain performance may be limited.

VCFRONT_a118_VCFRONT_MIA

One or more of the messages the vehicle controller receives periodically from the front vehicle controller (VCFRONT) is not received, indicating the VCFRONT may be unavailable (MIA).

The vehicle controller does not receive one or more of the expected messages from the VCFRONT within the expected time frame.

Vehicle functions that depend on the VCFRONT may be unavailable or may not function as expected.

VCFRONT_a139_refrigSuctPresSns

The front vehicle controller (VCFRONT) detects the refrigerant suction pressure sensor is experiencing an electrical condition (short or disconnect).

The refrigerant suction pressure sensor reads a power rail or ground reference voltage.

Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.

VCFRONT_a126_thmlFanICWarning

The integrated circuit (IC) in the front vehicle controller (VCFRONT) reports a condition affecting thermal fan functionality. Cabin HVAC / climate control cooling (air conditioning) and powertrain performance may be limited.

The front vehicle controller (VCFRONT) integrated circuit (IC) detects and reports a condition that may affect thermal fan functionality.

The thermal fan may not function as expected. Cabin HVAC / climate control cooling (air conditioning) and powertrain performance may be limited.

VCFRONT_a117_VCLEFT_MIA

One or more of the messages the vehicle controller receives periodically from the left vehicle controller (VCLEFT) is not received, indicating the VCLEFT may be unavailable (MIA).

The vehicle controller does not receive one or more of the expected messages from the VCLEFT within the expected time frame.

Vehicle functions that depend on the VCLEFT may be unavailable or may not function as expected.

VCFRONT_a119_SCCM_MIA

One or more of the messages the vehicle controller receives periodically from the Steering Column Control Module (SCCM) is not received, indicating the SCCM may be unavailable (MIA).

One or more of the expected messages from the SCCM is not received.

Vehicle may be unable to shift between drive modes.

VCFRONT_a111_EPBR_MIA

One or more of the messages the vehicle controller receives periodically from the right Electronic Park Brake (EPBR) electronic control unit (ECU) is not received, indicating the EPBR ECU may be unavailable (MIA).

The vehicle controller does not receive one or more of the expected messages from the EPBR ECU within the expected time frame.

The parking brake may be unavailable or may not function as expected.

VCFRONT_a112_EPBL_MIA

One or more of the messages the vehicle controller receives periodically from the left Electronic Park Brake (EPBL) electronic control unit (ECU) is not received, indicating the EPBL ECU may be unavailable (MIA).

The vehicle controller does not receive one or more of the expected messages from the EPBL ECU within the expected time frame.

The parking brake may be unavailable or may not function as expected.

VCFRONT_a148_thmlFanSoftStall

The vehicle controller detects the thermal fan motor is unable to reach the target RPM, which may prevent the thermal fan from running as expected.

The thermal fan motor is unable to reach the target RPM.

Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.

VCFRONT_a114_ESP_MIA

One or more expected Controller Area Network (CAN) messages from the Electronic Stability Program (ESP) electronic control unit (ECU) was not received. Stability and traction control functions may be unavailable, or their performance may be affected.

An expected CAN message from the Electronic Stability Program (ESP) electronic control unit (ECU) has not been received within the expected timeout, or the message drop rate is too high while the ESP is CAN active. The ESP is considered CAN active when VCFRONT_privateGoToSleep is 0 AND VCFRONT_espLVState is LV_ON.

Stability and traction control functions may be unavailable, or their performance may be affected.

VCFRONT_a109_RCM_MIA

One or more of the messages the vehicle controller receives periodically from the Restraint Control Module (RCM) is not received, indicating the RCM may be unavailable (MIA).

The vehicle controller does not receive one or more of the expected messages from the RCM within the expected time frame.

Vehicle functions that depend on the RCM may be unavailable or may not function as expected.

VCFRONT_a110_GTW_MIA

One or more expected Controller Area Network (CAN) messages from the vehicle gateway (GTW) was not received. Vehicle functions that depend on CAN messages from the GTW may be unavailable, or their performance may be affected.

An expected CAN message from the vehicle gateway (GTW) has not been received within the expected timeout, or the message drop rate is too high while the GTW is CAN active. The GTW is considered CAN active when VCFRONT_vehGoToSleep is 0.

Vehicle functions that depend on CAN messages from the vehicle gateway (GTW) may be unavailable, or their performance may be affected.

VCFRONT_a105_TAS_MIA

One or more of the messages the vehicle controller receives periodically from the Tesla Air Suspension (TAS) electronic control unit (ECU) is not received, indicating the TAS ECU may be unavailable (MIA).

One or more of the expected messages from the TAS ECU is not received.

The air suspension may not function as expected.

VCFRONT_a106_PCS_MIA

One or more of the messages the vehicle controller receives periodically from the power conversion system (PCS) electronic control unit (ECU) is not received, indicating the PCS ECU may be unavailable (MIA).

One or more of the expected messages from the PCS ECU is not received.

The vehicle may be unable to charge.

VCFRONT_a103_CP_MIA

One or more of the messages the vehicle controller receives periodically from the charge port (CP) electronic control unit (ECU) is not received, indicating the CP ECU may be unavailable (MIA).

The vehicle controller does not receive one or more of the expected messages from the CP ECU within the expected time frame.

Charging may not start or may be interrupted unexpectedly.

Alerts

Alerts