MyTeslaMate App

Signal Name	Description	Condition	Impact
DIREL_a056_ambientOT	Drive Inverter Warning: Ambient over temperature.	Ambient temperature (refer to pcbTemp) exceeds upper temperature threshold	No direct impact. Could damage drive inverter if temperature is continuously too high.
DIREL_a055_trqCrossCheck	The Drive Inverter (DIx) and Pedal Monitor (PM) estimate different amounts of torque production, causing a Cross Check mismatch.	The DIx and PM estimate different amounts of torque production, causing a Cross Check mismatch. There may be a condition affecting DIx's or PM's ability to measure torque.	The vehicle may not accurately measure the level of torque being produced by the Drive Unit.
DIREL_a054_driveInverterOT	Drive Inverter Warning: Inverter over temperature.	Drive Inverter temperature (refer payload signals for temperatures) exceeds upper temperature threshold	No direct impact. Could damage drive inverter if temperature is continuously too high.
DIRE2_a112_noPhaseCurrent	The Drive Inverter (DIx) Electronic Control Unit (ECU) detects no phase current.	The DIx ECU detects no phase current. The phase lugs, stator, rotor, or DIx may have a condition affecting functionality.	Without phase current, DIx cannot produce motor torque to rotate the wheels. The vehicle's drive cycle may not function as expected, or at all.
DIRE2_a174_unitMayNotRestart	Drive Inverter Warning: Unit may not allow drive on the next drive cycle due to HW damage.	Inverter detects a shorted switch	Inverter may not allow drive on next drive cycle
DIRE2_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.
DIRE2_a159_oilPumpB	Drive Inverter Warning: Oil pump operation abnormal.	Not Available	Not Available
DIRE2_a157_rcmMIA	The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects that the restraints control module (RCM) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the RCM, and considers it irrational or MIA.	The DI ECU is unable to monitor the state of the RCM.
DIRE2_a155_vcleftsMIA	The Left Secondary Vehicle Controller (VCLEFTS) node is Missing in Action (MIA) on Controller Area Network (CAN) for one or more messages.	The VCLEFTS node is MIA on CAN for one or more messages. The VCLEFT node may have a condition affecting functionality.	The Drive Unit may not operate as expected.
DIRE2_a154_resolver	The Drive Unit resolver (motor speed sensor) is not operating as expected. The resolver may have a condition affecting functionality.	The Drive Unit resolver is not operating as expected. The resolver may have a condition affecting functionality.	The resolver is not operating as expected. The DIx invertor control board may be unable to correctly detect the angle and speed of the rotor.
DIRE2_a153_oilPumpDiagnostics	The Drive Inverter (DIx) has detected unexpected oil pressure from the oil pump.	DIx has detected unexpected oil pressure from the oil pump. The oil pump may have a condition affecting functionality.	Drive Unit thermal estimation and limits may be impacted and not function as expected. Torque production could be limited.
DIRE2_a152_linError	The Drive Inverter (DIx) Electronic Control Unit (ECU) has detected an error communicating with the Local Interconnect Network (LIN).	The DIx ECU has detected an error communicating with LIN. The DIx LIN node(s) or LIN signal-carrying wire may have a condition affecting functionality.	DIx and the oil pump communicate through LIN. DIx may not communicate with the oil pump as expected.
DIRE2_a150_busVD	The High Voltage (HV) bus has measured a voltage drop in the HV battery pack. The Drive Inverter (DIx) may not operate as expected.	The HV bus has measured a voltage drop in the HV battery pack. DIx may not operate as expected.	DIx may not operate as expected. Drive torque may be restricted.
DIRE2_a149_oilPumpFailure	Drive Inverter Warning: Oil pump failure.	Loss of communication or power to oil pump, persistent oil pump motor stall occurred, or persistent condition affecting oil pump functionality detected	Initiates reduced drive unit performance and a speed limit on the vehicle, due to reduced gear lubrication and motor cooling
DIRE2_a147_highTorqueWearLimit	The Drive Inverter (DIx) has detected a quantity of torque production that indicates Drive Unit wear.	DIx has detected a quantity of torque production that indicates Drive Unit wear.	The Drive Unit may have wear resulting from torque production. The vehicle may enter launch mode torque.
DIRE2_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.
DIRE2_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.
DIRE2_a133_capacitorOT	The Drive Inverter (DIx) has detected the capacitor is over temperature.	DIx has detected the capacitor is over temperature. The pack contactors may have a condition affecting functionality.	The flow of current between the capacitors and DIx may not function as expected.
DIRE2_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.
DIRE2_a126_limpMode	Drive Inverter Warning: Unit limp mode triggered.	Abnormal condition detected within drive unit subsystem. Look at limpReason in alert for exact trigger.	Drive system performance severely reduced (torque/power limited)

DIREL_a056_ambientOT

Drive Inverter Warning: Ambient over temperature.

Ambient temperature (refer to pcbTemp) exceeds upper temperature threshold

No direct impact. Could damage drive inverter if temperature is continuously too high.

DIREL_a055_trqCrossCheck

The Drive Inverter (DIx) and Pedal Monitor (PM) estimate different amounts of torque production, causing a Cross Check mismatch.

The DIx and PM estimate different amounts of torque production, causing a Cross Check mismatch. There may be a condition affecting DIx's or PM's ability to measure torque.

The vehicle may not accurately measure the level of torque being produced by the Drive Unit.

DIREL_a054_driveInverterOT

Drive Inverter Warning: Inverter over temperature.

Drive Inverter temperature (refer payload signals for temperatures) exceeds upper temperature threshold

No direct impact. Could damage drive inverter if temperature is continuously too high.

DIRE2_a112_noPhaseCurrent

The Drive Inverter (DIx) Electronic Control Unit (ECU) detects no phase current.

The DIx ECU detects no phase current. The phase lugs, stator, rotor, or DIx may have a condition affecting functionality.

Without phase current, DIx cannot produce motor torque to rotate the wheels. The vehicle's drive cycle may not function as expected, or at all.

DIRE2_a174_unitMayNotRestart

Drive Inverter Warning: Unit may not allow drive on the next drive cycle due to HW damage.

Inverter detects a shorted switch

Inverter may not allow drive on next drive cycle

DIRE2_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.

DIRE2_a159_oilPumpB

Drive Inverter Warning: Oil pump operation abnormal.

Not Available

DIRE2_a157_rcmMIA

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

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

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

DIRE2_a155_vcleftsMIA

The Left Secondary Vehicle Controller (VCLEFTS) node is Missing in Action (MIA) on Controller Area Network (CAN) for one or more messages.

The VCLEFTS node is MIA on CAN for one or more messages. The VCLEFT node may have a condition affecting functionality.

The Drive Unit may not operate as expected.

DIRE2_a154_resolver

The Drive Unit resolver (motor speed sensor) is not operating as expected. The resolver may have a condition affecting functionality.

The Drive Unit resolver is not operating as expected. The resolver may have a condition affecting functionality.

The resolver is not operating as expected. The DIx invertor control board may be unable to correctly detect the angle and speed of the rotor.

DIRE2_a153_oilPumpDiagnostics

The Drive Inverter (DIx) has detected unexpected oil pressure from the oil pump.

DIx has detected unexpected oil pressure from the oil pump. The oil pump may have a condition affecting functionality.

Drive Unit thermal estimation and limits may be impacted and not function as expected. Torque production could be limited.

DIRE2_a152_linError

The Drive Inverter (DIx) Electronic Control Unit (ECU) has detected an error communicating with the Local Interconnect Network (LIN).

The DIx ECU has detected an error communicating with LIN. The DIx LIN node(s) or LIN signal-carrying wire may have a condition affecting functionality.

DIx and the oil pump communicate through LIN. DIx may not communicate with the oil pump as expected.

DIRE2_a150_busVD

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

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

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

DIRE2_a149_oilPumpFailure

Drive Inverter Warning: Oil pump failure.

Loss of communication or power to oil pump, persistent oil pump motor stall occurred, or persistent condition affecting oil pump functionality detected

Initiates reduced drive unit performance and a speed limit on the vehicle, due to reduced gear lubrication and motor cooling

DIRE2_a147_highTorqueWearLimit

The Drive Inverter (DIx) has detected a quantity of torque production that indicates Drive Unit wear.

DIx has detected a quantity of torque production that indicates Drive Unit wear.

The Drive Unit may have wear resulting from torque production. The vehicle may enter launch mode torque.

DIRE2_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.

DIRE2_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.

DIRE2_a133_capacitorOT

The Drive Inverter (DIx) has detected the capacitor is over temperature.

DIx has detected the capacitor is over temperature. The pack contactors may have a condition affecting functionality.

The flow of current between the capacitors and DIx may not function as expected.

DIRE2_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.

DIRE2_a126_limpMode

Drive Inverter Warning: Unit limp mode triggered.

Abnormal condition detected within drive unit subsystem. Look at limpReason in alert for exact trigger.

Drive system performance severely reduced (torque/power limited)

Alerts

Alerts