MyTeslaMate App

Signal Name	Description	Condition	Impact	Important
VCFRONT_a264_iBoosterVoltageMismatch	The front vehicle controller (VCFRONT) detects there is voltage mismatch greater than 0.5V between the input power to the VCFRONT and the braking assist circuit for the iBooster (IBST) electronic control unit (ECU).	The voltage mismatch is greater than 0.5V between the VCFRONT printed circuit board assembly (PCBA) input voltage and the eFuse output voltage.	Vehicle functions that rely on the iBooster may be limited or may not function as expected.	No
VCFRONT_a293_interiorFrunkLightFault	The vehicle controller detects a condition affecting the interior front trunk (or frunk) light.	The vehicle controller detects that the interior frunk light high side driver (HSD) reports one of the following: (1) a current draw below the minimum threshold (open circuit); (2) a current draw above the maximum threshold (short circuit).	The interior frunk light may not produce light or may not function as expected.	No
VCFRONT_a303_frunkAccessPostActive	The front vehicle controller (VCFRONT) detects more than 8V on the front trunk (also known as the frunk) access post, which may cause the frunk to open if the vehicle is stationary.	The VCFRONT detects a frunk access post voltage of more than 8V.	If the vehicle is stationary, the frunk may open.	No
VCFRONT_a267_EPAS3sVoltageMismatch	The front vehicle controller (VCFRONT) detects there is voltage mismatch greater than 0.5V between the input power to the VCFRONT and the secondary power steering circuit for the secondary Electronic Power Assisted Steering (EPAS3S) electronic control unit (ECU).	The voltage mismatch is greater than 0.5V between the VCFRONT printed circuit board assembly (PCBA) input voltage and the eFuse output voltage.	Power steering may be limited or unavailable.	No
VCFRONT_a195_drveBlckdVltgeTooHgh	The vehicle cannot enter Drive state because the measured low voltage (LV) battery voltage is too high.	The measured LV battery voltage is greater than 16V for 3 consecutive seconds.	Vehicle may be unable to drive, or may take longer than expected to enter Drive state. Voltage regulation performance may be reduced across the low voltage electrical system.	No
VCFRONT_a327_vcrightSlowTripOC	The right vehicle controller eFuse current average current value over the last second was > 90A.	90A average eFuse current within last second.	The eFuse may have tripped.	No
VCFRONT_a279_refrigLiquidTempSns	The vehicle controller detects the refrigerant liquid temperature sensor is experiencing an electrical condition (short or disconnect).	The refrigerant liquid temperature sensor reads a power rail or ground reference voltage.	Cabin climate control system air conditioning and heating may be limited or unavailable. Powertrain performance may be limited.	No
VCFRONT_a304_frunkReleaseFailed	The vehicle controller did not detect a transition in the front trunk (also known as the frunk) switch states after the frunk latch was commanded to open.	The vehicle controller detects that the frunk latch did not transition to the ajar (or secondary) position after commanding it to open.	The frunk may be unable to open.	No
VCFRONT_a188_sleepFailed	The front vehicle controller was not able to go to sleep.	The front vehicle controller started sleep sequence but was aborted.	Higher SoC loss than expected, higher 12V draw than expected, possible unexpected alerts.	No
VCFRONT_a307_frunkSecOverCurrent	The front vehicle controller (VCFRONT) detects the front trunk (also known as the frunk) secondary latch is experiencing an overcurrent condition.	The frunk secondary latch draws more current than expected.	The frunk may not open.	No
VCFRONT_a129_pcsEFuseTrip	The front vehicle controller (VCFRONT) has opened the low voltage (LV) power feed circuit (eFuse) to the power conversion system (PCS), interrupting power supply to the PCS..	VCFRONT detects the eFuse circuit gating low voltage (LV) power feed to the PCS as open (tripped).	The vehicle low voltage electrical system will no longer be supported by the PCS. Features may be limited or unavailable. The vehicle may use loadshedding (switching off nonessential features) to preserve power for essential functions, with at least one other alert present to indicate this condition.	No
VCFRONT_a130_epas3pEFuseTrip	The front vehicle controller (VCFRONT) has opened the low voltage (LV) power feed circuit (eFuse) to the primary electronic power steering controller (EPAS3P), interrupting power supply to EPAS3P.	VCFRONT detects the eFuse circuit gating low voltage (LV) power feed to EPAS3P as open (tripped).	Power steering functionality may be limited or unavailable.	No
VCFRONT_a128_vcrightEFuseTrip	The front vehicle controller (VCFRONT) has opened the low voltage (LV) power feed circuit (eFuse) to the right vehicle controller (VCRIGHT), interrupting power supply to VCRIGHT.	VCFRONT detects the eFuse circuit gating low voltage (LV) power feed to VCRIGHT as open (tripped).	Functions on the right side of the vehicle may be limited or unavailable.	No
VCFRONT_a131_epas3sEFuseTrip	The front vehicle controller (VCFRONT) has opened the low voltage (LV) power feed circuit (eFuse) to the secondary electronic power steering controller (EPAS3S), interrupting power supply to EPAS3P.	VCFRONT detects the eFuse circuit gating low voltage (LV) power feed to EPAS3S as open (tripped).	Power steering functionality may be limited or unavailable.	No
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.	No
VCFRONT_a132_iBoosterEFuseTrip	The front vehicle controller (VCFRONT) has opened the low voltage (LV) power feed circuit (eFuse) to the electromechanical brake booster (iBooster / IBST) controller, interrupting power supply to the iBooster (IBST).	VCFRONT detects the eFuse circuit gating low voltage (LV) power feed to iBooster as open (tripped).	Brake assist functionality may be limited.	No
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.	No
VCFRONT_a127_vcleftEFuseTrip	The front vehicle controller (VCFRONT) has opened the low voltage (LV) power feed circuit (eFuse) to the left vehicle controller (VCLEFT), interrupting power supply to VCLEFT.	VCFRONT detects the eFuse circuit gating low voltage (LV) power feed to VCLEFT as open (tripped).	Functions on the left side of the vehicle may be limited or unavailable.	No
VCFRONT_a122_pumpBatICWarning	The vehicle controller detects the LV8907 integrated circuit on the battery pump motor issued a circuit warning, which may prevent the battery pump from running as expected.	The LV8907 integrated circuit on the on the battery pump motor issues a circuit warning that prevents the motor controller from driving the motor.	Powertrain performance may be limited.	No
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.	No

VCFRONT_a264_iBoosterVoltageMismatch

The front vehicle controller (VCFRONT) detects there is voltage mismatch greater than 0.5V between the input power to the VCFRONT and the braking assist circuit for the iBooster (IBST) electronic control unit (ECU).

The voltage mismatch is greater than 0.5V between the VCFRONT printed circuit board assembly (PCBA) input voltage and the eFuse output voltage.

Vehicle functions that rely on the iBooster may be limited or may not function as expected.

No

VCFRONT_a293_interiorFrunkLightFault

The vehicle controller detects a condition affecting the interior front trunk (or frunk) light.

The vehicle controller detects that the interior frunk light high side driver (HSD) reports one of the following: (1) a current draw below the minimum threshold (open circuit); (2) a current draw above the maximum threshold (short circuit).

The interior frunk light may not produce light or may not function as expected.

No

VCFRONT_a303_frunkAccessPostActive

The front vehicle controller (VCFRONT) detects more than 8V on the front trunk (also known as the frunk) access post, which may cause the frunk to open if the vehicle is stationary.

The VCFRONT detects a frunk access post voltage of more than 8V.

If the vehicle is stationary, the frunk may open.

No

VCFRONT_a267_EPAS3sVoltageMismatch

The front vehicle controller (VCFRONT) detects there is voltage mismatch greater than 0.5V between the input power to the VCFRONT and the secondary power steering circuit for the secondary Electronic Power Assisted Steering (EPAS3S) electronic control unit (ECU).

The voltage mismatch is greater than 0.5V between the VCFRONT printed circuit board assembly (PCBA) input voltage and the eFuse output voltage.

Power steering may be limited or unavailable.

No

VCFRONT_a195_drveBlckdVltgeTooHgh

The vehicle cannot enter Drive state because the measured low voltage (LV) battery voltage is too high.

The measured LV battery voltage is greater than 16V for 3 consecutive seconds.

Vehicle may be unable to drive, or may take longer than expected to enter Drive state. Voltage regulation performance may be reduced across the low voltage electrical system.

No

VCFRONT_a327_vcrightSlowTripOC

The right vehicle controller eFuse current average current value over the last second was > 90A.

90A average eFuse current within last second.

The eFuse may have tripped.

No

VCFRONT_a279_refrigLiquidTempSns

The vehicle controller detects the refrigerant liquid temperature sensor is experiencing an electrical condition (short or disconnect).

The refrigerant liquid temperature sensor reads a power rail or ground reference voltage.

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

No

VCFRONT_a304_frunkReleaseFailed

The vehicle controller did not detect a transition in the front trunk (also known as the frunk) switch states after the frunk latch was commanded to open.

The vehicle controller detects that the frunk latch did not transition to the ajar (or secondary) position after commanding it to open.

The frunk may be unable to open.

No

VCFRONT_a188_sleepFailed

The front vehicle controller was not able to go to sleep.

The front vehicle controller started sleep sequence but was aborted.

Higher SoC loss than expected, higher 12V draw than expected, possible unexpected alerts.

No

VCFRONT_a307_frunkSecOverCurrent

The front vehicle controller (VCFRONT) detects the front trunk (also known as the frunk) secondary latch is experiencing an overcurrent condition.

The frunk secondary latch draws more current than expected.

The frunk may not open.

No

VCFRONT_a129_pcsEFuseTrip

The front vehicle controller (VCFRONT) has opened the low voltage (LV) power feed circuit (eFuse) to the power conversion system (PCS), interrupting power supply to the PCS..

VCFRONT detects the eFuse circuit gating low voltage (LV) power feed to the PCS as open (tripped).

The vehicle low voltage electrical system will no longer be supported by the PCS. Features may be limited or unavailable. The vehicle may use loadshedding (switching off nonessential features) to preserve power for essential functions, with at least one other alert present to indicate this condition.

No

VCFRONT_a130_epas3pEFuseTrip

The front vehicle controller (VCFRONT) has opened the low voltage (LV) power feed circuit (eFuse) to the primary electronic power steering controller (EPAS3P), interrupting power supply to EPAS3P.

VCFRONT detects the eFuse circuit gating low voltage (LV) power feed to EPAS3P as open (tripped).

Power steering functionality may be limited or unavailable.

No

VCFRONT_a128_vcrightEFuseTrip

The front vehicle controller (VCFRONT) has opened the low voltage (LV) power feed circuit (eFuse) to the right vehicle controller (VCRIGHT), interrupting power supply to VCRIGHT.

VCFRONT detects the eFuse circuit gating low voltage (LV) power feed to VCRIGHT as open (tripped).

Functions on the right side of the vehicle may be limited or unavailable.

No

VCFRONT_a131_epas3sEFuseTrip

The front vehicle controller (VCFRONT) has opened the low voltage (LV) power feed circuit (eFuse) to the secondary electronic power steering controller (EPAS3S), interrupting power supply to EPAS3P.

VCFRONT detects the eFuse circuit gating low voltage (LV) power feed to EPAS3S as open (tripped).

Power steering functionality may be limited or unavailable.

No

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.

No

VCFRONT_a132_iBoosterEFuseTrip

The front vehicle controller (VCFRONT) has opened the low voltage (LV) power feed circuit (eFuse) to the electromechanical brake booster (iBooster / IBST) controller, interrupting power supply to the iBooster (IBST).

VCFRONT detects the eFuse circuit gating low voltage (LV) power feed to iBooster as open (tripped).

Brake assist functionality may be limited.

No

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.

No

VCFRONT_a127_vcleftEFuseTrip

The front vehicle controller (VCFRONT) has opened the low voltage (LV) power feed circuit (eFuse) to the left vehicle controller (VCLEFT), interrupting power supply to VCLEFT.

VCFRONT detects the eFuse circuit gating low voltage (LV) power feed to VCLEFT as open (tripped).

Functions on the left side of the vehicle may be limited or unavailable.

No

VCFRONT_a122_pumpBatICWarning

The vehicle controller detects the LV8907 integrated circuit on the battery pump motor issued a circuit warning, which may prevent the battery pump from running as expected.

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

Powertrain performance may be limited.

No

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.

No

Alerts

Alerts