MyTeslaMate App

Signal Name	Description	Condition	Impact
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
USM_a230_s4InitError	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.
USM_a229_s3InitError	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.
USM_a231_s5InitError	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.
VCBATT_a002_PowerLossReset	Warns if the processor has experienced a reset due to power loss.	Sudden power loss.	Controller is MIA for some time.
USM_a232_s6InitError	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.
VCBATT_a001_WatchdogReset	Warns if the processor has experienced a reset due to watchdog reset.	A watchdog (external or internal) was not serviced in time.	Controller is MIA for some time.
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.
USM_a198_s10Disconnected	Alert indicating that the sensor is disconnected.	When the sensor is disconnected	Park assist features will be disabled.
USM_a199_s11Disconnected	Alert indicating that the sensor is disconnected.	When the sensor is disconnected	Park assist features will be disabled.
USM_a200_s12Disconnected	Alert indicating that the sensor is disconnected.	When the sensor is disconnected	Park assist features will be disabled.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

USM_a230_s4InitError

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.

USM_a229_s3InitError

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.

USM_a231_s5InitError

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.

VCBATT_a002_PowerLossReset

Warns if the processor has experienced a reset due to power loss.

Sudden power loss.

Controller is MIA for some time.

USM_a232_s6InitError

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.

VCBATT_a001_WatchdogReset

Warns if the processor has experienced a reset due to watchdog reset.

A watchdog (external or internal) was not serviced in time.

Controller is MIA for some time.

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.

USM_a198_s10Disconnected

Alert indicating that the sensor is disconnected.

When the sensor is disconnected

Park assist features will be disabled.

USM_a199_s11Disconnected

Alert indicating that the sensor is disconnected.

When the sensor is disconnected

Park assist features will be disabled.

USM_a200_s12Disconnected

Alert indicating that the sensor is disconnected.

When the sensor is disconnected

Park assist features will be disabled.

Alerts

Alerts