MyTeslaMate App

Signal Name	Description	Condition	Impact	Important
DIR_a120_hvlinkMIA	Drive Inverter Warning: HVLINK CAN node MIA	Any received HVLINK frame is MIA	Active discharge may turn ON	No
DIR_a127_gracefulPowerOff	Drive Unit Graceful Power Off (GPO) has been triggered. The Drive Unit will lose current input from the High Voltage (HV) battery.	Drive Unit GPO has been triggered. The Drive Unit will lose current input from the HV battery.	The Drive Unit will ramp down all torque production. The Drive Unit may not function as expected.	No
DIR_a145_vcleftMIA	The drive inverter (DIx) electronic control unit (ECU) detects that the left vehicle controller (VCLEFT) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the VCLEFT, and considers it irrational or MIA.	The DI ECU is unable to monitor the state of the VCLEFT.	No
DIR_a244_mechSafeStateApplied	Alert for software trigger of mechanical safe state two-phase disconnect device.	Software detects a shorted semiconductor switch. The alert log signals provide detailed trigger algorithm info.	The motor is permanently disabled.	No
DIR_a161_epas3pMIA	The drive interface (DI) electronic control unit (ECU) detects that the electronic power assisted steering, gen 3 (EPAS3) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the EPAS3, and considers it irrational or MIA.	The DI ECU is unable to monitor the state of the EPAS3.	No
DIR_a123_lossMotorControl	Drive Inverter Warning: Loss of motor control	Motors are not responding to DI commands	Unable to produce torque/power from drive unit	No
DIR_a144_configMismatch	The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a Gateway configuration mismatch with the application currently running on the DI.	Set if any of the checked gateway config is not as expected.	The vehicle enters system limp mode and is unable to enter Drive.	No
DIR_a160_busVoltageAnomaly	The High Voltage (HV) bus has detected a voltage anomaly in the HV battery pack. The Drive Inverter (DIx) may not operate as expected.	The HV bus has measured a voltage anomaly in the HV battery pack. DIx may not operate as expected.	DIx may not operate as expected. Drive torque may be restricted.	No
DIR_a140_eggright3MIA	The drive inverter (DIx) electronic control unit (ECU) detects that the Etherloop Generalized Gateway Right (EGGRIGHT3) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the EGGRIGHT3, and considers it irrational or MIA.	The DI ECU is unable to monitor the state of the EGGRIGHT3.	No
DIR_a136_spiError	The Drive Inverter (DIx) has detected an error communicating with the Serial Peripheral Interface (SPI), which monitors the pedal monitor.	DIx has detected an error communicating with SPI, which monitors the pedal monitor. There may be a condition affecting SPI.	DIx may not be able to receive data from the Pedal Monitor. The vehicle's drive cycle may not function as expected.	No
DIR_a092_bmsMIA	The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects that the high voltage (HV) battery management system (BMS) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the BMS, and considers it irrational or MIA.	The DI ECU is unable to monitor the state of the BMS.	No
DIR_a090_pmMIA	The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects that the pedal monitor (PM) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the PM, and considers it irrational or MIA.	The DI ECU is unable to monitor the state of the PM.	No
DIR_a087_gtwMIA	The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects that the gateway (GTW) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the GTW, and considers it irrational or MIA.	The DI ECU is unable to monitor the state of the GTW.	No
DIR_a079_adcRefHigh	The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects an analog-to-digital converter (ADC) channel reference above the upper rational bound.	Any ADC channel reference is above the maximum rational value.	The vehicle is blocked from shifting out of Park.	No
DIR_a078_adcRefLow	The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects an analog-to-digital converter (ADC) channel reference below the lower rational bound.	Any ADC channel reference is below the minimum rational value.	The vehicle is blocked from shifting out of Park.	No
DIR_a077_lvSupplyUV	The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a low voltage (LV) battery power supply undervoltage event.	LV supply voltage to DI (refer to lvSupply) is disconnected or drops below lower voltage threshold	Drive unit enters unit limp mode (see DI_a126_limpMode)	No
DIR_a076_lvSupplyOV	The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a low voltage (LV) battery overvoltage event.	LV supply voltage to DI exceeds the set upper voltage limit.	No immediate impact. Could damage drive inverter LV hardware if LV is continuously too high.	No
DIR_a116_highSpeedWearCounter	Drive Inverter Warning: High Speed Wear Counter Exceeded	Number of qualified high speed events above allowed threshold	Silent alert to track mechanical wear	No
DIR_a075_motorSpeedMismatch	The motor speed measured by the Drive Unit resolver does not match the Anti-lock Braking System (ABS) wheel speed sensors.	The motor speed measured by the Drive Unit resolver does not match the ABS wheel speed sensors. There may be a condition affecting the functionality of the Drive Unit or wiring.	The Drive Unit may not function as expected, including a reduction in vehicle power. The vehicle's drive cycle may not function as expected, or at all.	No
DIR_a073_motorSpeed	The Drive Unit resolver (motor speed sensor) has detected the motor exceeding typical speed.	The Drive Unit resolver has detected the motor exceeding typical speed. The rotor or rotor shaft may have a condition affecting functionality.	The motor is exceeding typical speed. The motor and Drive Unit may not function as expected.	No

DIR_a120_hvlinkMIA

Drive Inverter Warning: HVLINK CAN node MIA

Any received HVLINK frame is MIA

Active discharge may turn ON

No

DIR_a127_gracefulPowerOff

Drive Unit Graceful Power Off (GPO) has been triggered. The Drive Unit will lose current input from the High Voltage (HV) battery.

Drive Unit GPO has been triggered. The Drive Unit will lose current input from the HV battery.

The Drive Unit will ramp down all torque production. The Drive Unit may not function as expected.

No

DIR_a145_vcleftMIA

The drive inverter (DIx) electronic control unit (ECU) detects that the left vehicle controller (VCLEFT) controller area network (CAN) node is missing (MIA).

The DI ECU is not receiving the expected CAN communication from the VCLEFT, and considers it irrational or MIA.

The DI ECU is unable to monitor the state of the VCLEFT.

No

DIR_a244_mechSafeStateApplied

Alert for software trigger of mechanical safe state two-phase disconnect device.

Software detects a shorted semiconductor switch. The alert log signals provide detailed trigger algorithm info.

The motor is permanently disabled.

No

DIR_a161_epas3pMIA

The drive interface (DI) electronic control unit (ECU) detects that the electronic power assisted steering, gen 3 (EPAS3) controller area network (CAN) node is missing (MIA).

The DI ECU is not receiving the expected CAN communication from the EPAS3, and considers it irrational or MIA.

The DI ECU is unable to monitor the state of the EPAS3.

No

DIR_a123_lossMotorControl

Drive Inverter Warning: Loss of motor control

Motors are not responding to DI commands

Unable to produce torque/power from drive unit

No

DIR_a144_configMismatch

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a Gateway configuration mismatch with the application currently running on the DI.

Set if any of the checked gateway config is not as expected.

The vehicle enters system limp mode and is unable to enter Drive.

No

DIR_a160_busVoltageAnomaly

The High Voltage (HV) bus has detected a voltage anomaly in the HV battery pack. The Drive Inverter (DIx) may not operate as expected.

The HV bus has measured a voltage anomaly in the HV battery pack. DIx may not operate as expected.

DIx may not operate as expected. Drive torque may be restricted.

No

DIR_a140_eggright3MIA

The drive inverter (DIx) electronic control unit (ECU) detects that the Etherloop Generalized Gateway Right (EGGRIGHT3) controller area network (CAN) node is missing (MIA).

The DI ECU is not receiving the expected CAN communication from the EGGRIGHT3, and considers it irrational or MIA.

The DI ECU is unable to monitor the state of the EGGRIGHT3.

No

DIR_a136_spiError

The Drive Inverter (DIx) has detected an error communicating with the Serial Peripheral Interface (SPI), which monitors the pedal monitor.

DIx has detected an error communicating with SPI, which monitors the pedal monitor. There may be a condition affecting SPI.

DIx may not be able to receive data from the Pedal Monitor. The vehicle's drive cycle may not function as expected.

No

DIR_a092_bmsMIA

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects that the high voltage (HV) battery management system (BMS) controller area network (CAN) node is missing (MIA).

The DI ECU is not receiving the expected CAN communication from the BMS, and considers it irrational or MIA.

The DI ECU is unable to monitor the state of the BMS.

No

DIR_a090_pmMIA

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects that the pedal monitor (PM) controller area network (CAN) node is missing (MIA).

The DI ECU is not receiving the expected CAN communication from the PM, and considers it irrational or MIA.

The DI ECU is unable to monitor the state of the PM.

No

DIR_a087_gtwMIA

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects that the gateway (GTW) controller area network (CAN) node is missing (MIA).

The DI ECU is not receiving the expected CAN communication from the GTW, and considers it irrational or MIA.

The DI ECU is unable to monitor the state of the GTW.

No

DIR_a079_adcRefHigh

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects an analog-to-digital converter (ADC) channel reference above the upper rational bound.

Any ADC channel reference is above the maximum rational value.

The vehicle is blocked from shifting out of Park.

No

DIR_a078_adcRefLow

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects an analog-to-digital converter (ADC) channel reference below the lower rational bound.

Any ADC channel reference is below the minimum rational value.

The vehicle is blocked from shifting out of Park.

No

DIR_a077_lvSupplyUV

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a low voltage (LV) battery power supply undervoltage event.

LV supply voltage to DI (refer to lvSupply) is disconnected or drops below lower voltage threshold

Drive unit enters unit limp mode (see DI_a126_limpMode)

No

DIR_a076_lvSupplyOV

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a low voltage (LV) battery overvoltage event.

LV supply voltage to DI exceeds the set upper voltage limit.

No immediate impact. Could damage drive inverter LV hardware if LV is continuously too high.

No

DIR_a116_highSpeedWearCounter

Drive Inverter Warning: High Speed Wear Counter Exceeded

Number of qualified high speed events above allowed threshold

Silent alert to track mechanical wear

No

DIR_a075_motorSpeedMismatch

The motor speed measured by the Drive Unit resolver does not match the Anti-lock Braking System (ABS) wheel speed sensors.

The motor speed measured by the Drive Unit resolver does not match the ABS wheel speed sensors. There may be a condition affecting the functionality of the Drive Unit or wiring.

The Drive Unit may not function as expected, including a reduction in vehicle power. The vehicle's drive cycle may not function as expected, or at all.

No

DIR_a073_motorSpeed

The Drive Unit resolver (motor speed sensor) has detected the motor exceeding typical speed.

The Drive Unit resolver has detected the motor exceeding typical speed. The rotor or rotor shaft may have a condition affecting functionality.

The motor is exceeding typical speed. The motor and Drive Unit may not function as expected.

No

Alerts

Alerts