MyTeslaMate App

Signal Name	Description	Condition	Impact	Important
VCBATT_a083_VCLEFT_IPC_MIA	One or more of the messages the vehicle controller receives periodically from the left vehicle controller (VCLEFT) is not received over the interprocessor controller area network (IPC), indicating the VCLEFT may be unavailable (MIA).	One or more of the expected messages from the VCLEFT is not received over the IPC.	Vehicle functions that depend on the VCLEFT may be unavailable or may not function as expected.	No
VCBATT_a063_SwitchFault	A condition affecting switch functionality has been detected.	A condition is detected affecting switch functionality. Alert log signal data should provide more information on the switch affected and specific condition.	The switch may not function or may not function as expected.	No
VCBATT_a084_TPMS_MIA	One or more of the messages the vehicle controller receives periodically from the Tire Pressure Monitoring System (TPMS) electronic control unit (ECU) is not received, indicating the TPMS ECU may be unavailable (MIA).	One or more of the expected messages from the TPMS ECU is not received.	Vehicle functionality depending on the TPMS ECU may be limited or unavailable.	No
VCBATT_a085_CCCM_MIA	One or more of the messages the vehicle controller receives periodically from the Center Console Control Module (CCCM) electronic control unit (ECU) is not received, indicating the CCCM ECU may be unavailable (MIA).	One or more of the expected messages from the CCCM ECU is not received.	Vehicle functionality depending on the CCCM ECU may be limited or unavailable.	No
VCBATT_a093_VCSEATP_MIA	One or more of the messages the vehicle controller receives periodically from the front passenger seat controller (VCSEATP) is not received, indicating the VCSEATP may be unavailable (MIA).	One or more of the expected messages from the VCSEATP is not received.	Front passenger seat features depending on VCSEATP functionality, including seat buckle and heating pad, may be limited or unavailable.	No
VCBATT_a057_HVP_MIA	One or more of the expected messages the electronic control unit (ECU) receives periodically from the high voltage processor (HVP) ECU is not received, indicating the HVP may be unavailable (MIA).	One or more of the expected messages from the HVP ECU is not received.	Vehicle may be unable to drive. Charging may be limited or unavailable.	No
USM_a238_s12InitError	Alert indicating that there has been an init issue related to the sensor	When any error bit is set by the sensor	Sensor function will be impaired, park assist features will be disabled.	No
USM_a100_CANbus_MIA	More than half of the ECUs on a either the VEH or PARTY bus are missing more than half their messages while the bus should be active	If 50% or more of the ECUs the local ECUs listens to are MIA, and the local ECU receives from more than 3 ECUs on this bus. An ECU is MIA if more than 50% of its messages are MIA and that ECU is considered CAN active (see specific ECU's MIA alert for CAN active conditions).	Vehicle functionality may be degraded.	No
VCBATT_a094_EPAS3P_MIA	One or more of the messages the vehicle controller receives periodically from the Primary Electronic Power-Assisted Steering (EPAS3P) electronic control unit (ECU) is not received, indicating the EPAS3P ECU may be unavailable (MIA).	One or more of the expected messages from the EPAS3P ECU is not received.	Vehicle functions that depend on the EPAS3P may be unavailable or may not function as expected.	No
USM_a131_s1ComError	Alert indicating that there has been a communication issue related to the sensor	When the communication error bit is set by the sensor	Sensor function will be impaired, park assist features will be disabled.	No
USM_a136_s6ComError	Alert indicating that there has been a communication issue related to the sensor	When the communication error bit is set by the sensor	Sensor function will be impaired, park assist features will be disabled.	No
VCBATT_a059_inputResistanceHigh	A large voltage drop is detected in the input power to the vehicle controller, indicating the resistance on the input power feed to the vehicle controller is higher than expected.	Estimated resistance on the input power feed to the vehicle controller is higher than expected.	The vehicle controller may be unavailable due to lack of adequate input power, limiting vehicle functionality or making the vehicle inoperable, with at least one other alert specific to that condition present.	No
USM_a236_s10InitError	Alert indicating that there has been an init issue related to the sensor	When any error bit is set by the sensor	Sensor function will be impaired, park assist features will be disabled.	No
USM_a235_s9InitError	Alert indicating that there has been an init issue related to the sensor	When any error bit is set by the sensor	Sensor function will be impaired, park assist features will be disabled.	No
USM_a233_s7InitError	Alert indicating that there has been an init issue related to the sensor	When any error bit is set by the sensor	Sensor function will be impaired, park assist features will be disabled.	No
USM_a237_s11InitError	Alert indicating that there has been an init issue related to the sensor	When any error bit is set by the sensor	Sensor function will be impaired, park assist features will be disabled.	No
USM_a234_s8InitError	Alert indicating that there has been an init issue related to the sensor	When any error bit is set by the sensor	Sensor function will be impaired, park assist features will be disabled.	No
USM_a137_s7ComError	Alert indicating that there has been a communication issue related to the sensor	When the communication error bit is set by the sensor	Sensor function will be impaired, park assist features will be disabled.	No
USM_a108_DIF_MIA	One or more of the messages the vehicle controller receives periodically from the front drive inverter (DIF) electronic control unit (ECU) is not received, indicating the DIF ECU may be unavailable (MIA).	One or more of the expected messages from the DIF ECU is not received.	Vehicle speed and power may be limited. Thermal management system features depending on DIF functionality may be limited or unavailable.	No
VCBATT_a095_CHG_MIA	One or more of the messages the vehicle controller receives periodically from the onboard charger (CHG) electronic control unit (ECU) is not received, indicating the CHG ECU may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the CHG ECU within the expected time frame.	Charging may not start or may be interrupted unexpectedly.	No

VCBATT_a083_VCLEFT_IPC_MIA

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

One or more of the expected messages from the VCLEFT is not received over the IPC.

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

No

VCBATT_a063_SwitchFault

A condition affecting switch functionality has been detected.

A condition is detected affecting switch functionality. Alert log signal data should provide more information on the switch affected and specific condition.

The switch may not function or may not function as expected.

No

VCBATT_a084_TPMS_MIA

One or more of the messages the vehicle controller receives periodically from the Tire Pressure Monitoring System (TPMS) electronic control unit (ECU) is not received, indicating the TPMS ECU may be unavailable (MIA).

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

Vehicle functionality depending on the TPMS ECU may be limited or unavailable.

No

VCBATT_a085_CCCM_MIA

One or more of the messages the vehicle controller receives periodically from the Center Console Control Module (CCCM) electronic control unit (ECU) is not received, indicating the CCCM ECU may be unavailable (MIA).

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

Vehicle functionality depending on the CCCM ECU may be limited or unavailable.

No

VCBATT_a093_VCSEATP_MIA

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

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

Front passenger seat features depending on VCSEATP functionality, including seat buckle and heating pad, may be limited or unavailable.

No

VCBATT_a057_HVP_MIA

One or more of the expected messages the electronic control unit (ECU) receives periodically from the high voltage processor (HVP) ECU is not received, indicating the HVP may be unavailable (MIA).

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

Vehicle may be unable to drive. Charging may be limited or unavailable.

No

USM_a238_s12InitError

Alert indicating that there has been an init issue related to the sensor

When any error bit is set by the sensor

Sensor function will be impaired, park assist features will be disabled.

No

USM_a100_CANbus_MIA

More than half of the ECUs on a either the VEH or PARTY bus are missing more than half their messages while the bus should be active

If 50% or more of the ECUs the local ECUs listens to are MIA, and the local ECU receives from more than 3 ECUs on this bus. An ECU is MIA if more than 50% of its messages are MIA and that ECU is considered CAN active (see specific ECU's MIA alert for CAN active conditions).

Vehicle functionality may be degraded.

No

VCBATT_a094_EPAS3P_MIA

One or more of the messages the vehicle controller receives periodically from the Primary Electronic Power-Assisted Steering (EPAS3P) electronic control unit (ECU) is not received, indicating the EPAS3P ECU may be unavailable (MIA).

One or more of the expected messages from the EPAS3P ECU is not received.

Vehicle functions that depend on the EPAS3P may be unavailable or may not function as expected.

No

USM_a131_s1ComError

Alert indicating that there has been a communication issue related to the sensor

When the communication error bit is set by the sensor

Sensor function will be impaired, park assist features will be disabled.

No

USM_a136_s6ComError

Alert indicating that there has been a communication issue related to the sensor

When the communication error bit is set by the sensor

Sensor function will be impaired, park assist features will be disabled.

No

VCBATT_a059_inputResistanceHigh

A large voltage drop is detected in the input power to the vehicle controller, indicating the resistance on the input power feed to the vehicle controller is higher than expected.

Estimated resistance on the input power feed to the vehicle controller is higher than expected.

The vehicle controller may be unavailable due to lack of adequate input power, limiting vehicle functionality or making the vehicle inoperable, with at least one other alert specific to that condition present.

No

USM_a236_s10InitError

Alert indicating that there has been an init issue related to the sensor

When any error bit is set by the sensor

Sensor function will be impaired, park assist features will be disabled.

No

USM_a235_s9InitError

Alert indicating that there has been an init issue related to the sensor

When any error bit is set by the sensor

Sensor function will be impaired, park assist features will be disabled.

No

USM_a233_s7InitError

Alert indicating that there has been an init issue related to the sensor

When any error bit is set by the sensor

Sensor function will be impaired, park assist features will be disabled.

No

USM_a237_s11InitError

Alert indicating that there has been an init issue related to the sensor

When any error bit is set by the sensor

Sensor function will be impaired, park assist features will be disabled.

No

USM_a234_s8InitError

Alert indicating that there has been an init issue related to the sensor

When any error bit is set by the sensor

Sensor function will be impaired, park assist features will be disabled.

No

USM_a137_s7ComError

Alert indicating that there has been a communication issue related to the sensor

When the communication error bit is set by the sensor

Sensor function will be impaired, park assist features will be disabled.

No

USM_a108_DIF_MIA

One or more of the messages the vehicle controller receives periodically from the front drive inverter (DIF) electronic control unit (ECU) is not received, indicating the DIF ECU may be unavailable (MIA).

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

Vehicle speed and power may be limited. Thermal management system features depending on DIF functionality may be limited or unavailable.

No

VCBATT_a095_CHG_MIA

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

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

Charging may not start or may be interrupted unexpectedly.

No

Alerts

Alerts