MyTeslaMate App

Signal Name	Description	Condition	Impact
VCFRONT_a096_OCS1P_MIA	One or more of the messages the vehicle controller receives periodically from the 1st row passenger occupancy classification system (OCS1P) electronic control unit (ECU) is not received, indicating the OCS1P ECU may be unavailable (MIA).	One or more of the expected messages from the OCS1P ECU is not received.	Vehicle functions that depend on the OCS1P may be unavailable or may not function as expected.
VCFRONT_a143_pumpBatICTransFault	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.
VCFRONT_a140_coolantTempPtSns	The front vehicle controller (VCFRONT) detects the powertrain coolant loop inlet temperature sensor is experiencing an electrical condition (short or disconnect).	The powertrain coolant loop inlet temperature sensor reads a power rail or ground reference voltage.	Powertrain performance may be limited.
VCFRONT_a135_coolantLevelLow	The front vehicle controller (VCFRONT) detects the coolant level sensor is reporting a low coolant level or is experiencing an electrical condition (short or disconnect).	The coolant level sensor reports low coolant or is experiencing an electrical condition (short or disconnect).	Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.
VCFRONT_a136_refrigDischTempSns	The front vehicle controller (VCFRONT) detects the refrigerant discharge temperature sensor is experiencing an electrical condition (short or disconnect).	The refrigerant discharge temperature 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_a137_refrigDischPresSns	The front vehicle controller (VCFRONT) detects the refrigerant discharge pressure sensor is experiencing an electrical condition (short or disconnect).	The refrigerant discharge 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_a134_fusedHighEFuseTrip	The front vehicle controller (VCFRONT) fused high current eFuse circuit is open (tripped), interrupting low voltage (LV) power feed to the coolant pumps and condenser fan. HVAC cabin cooling (air conditioning) and powertrain performance may be limited.	VCFRONT detects the fused high current eFuse circuit is open (tripped).	The coolant pumps and condenser fan will be unavailable. As a result, the power conversion system (PCS) temperature may exceed normal operational range. HVAC cabin cooling (air conditioning) and powertrain performance may be limited.
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.
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.
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.
VCFRONT_a138_refrigSuctTempSns	The front vehicle controller (VCFRONT) detects the refrigerant suction temperature sensor is experiencing an electrical condition (short or disconnect).	The refrigerant suction temperature 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_a133_espEFuseTrip	The front vehicle controller (VCFRONT) has opened the low voltage (LV) power feed circuit (eFuse) to the electronic stability control (ESP), interrupting power supply to the ESP.	VCFRONT detects the eFuse circuit gating low voltage (LV) power feed to ESP as open (tripped).	Vehicle stability control 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_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.
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.
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_a125_thmlFanICLatchFault	The vehicle controller detects the LV8907 integrated circuit on the thermal fan motor is experiencing an electrical condition (short or disconnect), which may prevent the thermal fan from running as expected.	The LV8907 integrated circuit on the thermal fan motor experiences an electrical condition (short or disconnect) that prevents the motor controller from driving the motor.	Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.
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.
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_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_a096_OCS1P_MIA

One or more of the messages the vehicle controller receives periodically from the 1st row passenger occupancy classification system (OCS1P) electronic control unit (ECU) is not received, indicating the OCS1P ECU may be unavailable (MIA).

One or more of the expected messages from the OCS1P ECU is not received.

Vehicle functions that depend on the OCS1P may be unavailable or may not function as expected.

VCFRONT_a143_pumpBatICTransFault

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.

VCFRONT_a140_coolantTempPtSns

The front vehicle controller (VCFRONT) detects the powertrain coolant loop inlet temperature sensor is experiencing an electrical condition (short or disconnect).

The powertrain coolant loop inlet temperature sensor reads a power rail or ground reference voltage.

Powertrain performance may be limited.

VCFRONT_a135_coolantLevelLow

The front vehicle controller (VCFRONT) detects the coolant level sensor is reporting a low coolant level or is experiencing an electrical condition (short or disconnect).

The coolant level sensor reports low coolant or is experiencing an electrical condition (short or disconnect).

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

VCFRONT_a136_refrigDischTempSns

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

The refrigerant discharge temperature 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_a137_refrigDischPresSns

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

The refrigerant discharge 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_a134_fusedHighEFuseTrip

The front vehicle controller (VCFRONT) fused high current eFuse circuit is open (tripped), interrupting low voltage (LV) power feed to the coolant pumps and condenser fan. HVAC cabin cooling (air conditioning) and powertrain performance may be limited.

VCFRONT detects the fused high current eFuse circuit is open (tripped).

The coolant pumps and condenser fan will be unavailable. As a result, the power conversion system (PCS) temperature may exceed normal operational range. HVAC cabin cooling (air conditioning) and powertrain performance may be limited.

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.

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.

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.

VCFRONT_a138_refrigSuctTempSns

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

The refrigerant suction temperature 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_a133_espEFuseTrip

The front vehicle controller (VCFRONT) has opened the low voltage (LV) power feed circuit (eFuse) to the electronic stability control (ESP), interrupting power supply to the ESP.

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

Vehicle stability control 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_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.

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.

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_a125_thmlFanICLatchFault

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

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

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

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.

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_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.

Alerts

Alerts