MyTeslaMate App

Signal Name	Description	Condition	Impact
DIRE1R_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.
DIRE1R_a159_oilPumpB	Drive Inverter Warning: Oil pump operation abnormal.	Not Available	Not Available
DIRE1R_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.
DIRE1R_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.
DIRE1R_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.
DIRE1R_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.
DIRE1R_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.
DIRE1R_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.
DIRE1R_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
DIRE1R_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.
DIRE1R_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.
DIRE1R_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.
DIRE1R_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.
DIRE1R_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.
DIRE1R_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.
DIRE1R_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)
DIRE1R_a123_lossMotorControl	Drive Inverter Warning: Loss of motor control.	Motors are not responding to DI commands	Unable to produce torque/power from drive unit
DIRE1R_a121_motorControlRegulation	Drive Inverter Warning: Motor control is out of regulation.	Motor regulation fails to meet command inputs	Drive unit enters unit limp mode (see DI_a126_limpMode)
DIRE1R_a120_hvlinkMIA	Drive Inverter Warning: HVLINK CAN node MIA.	Any received HVLINK frame is MIA	Active discharge may turn ON
DIRE1R_a119_hvpMIA	The drive interface (DI) electronic control unit (ECU) detects that the high voltage processor (HVP) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the HVP, and considers it irrational or MIA.	The DI ECU is unable to monitor the state of the HVP, and active discharge may turn on.

DIRE1R_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.

DIRE1R_a159_oilPumpB

Drive Inverter Warning: Oil pump operation abnormal.

Not Available

DIRE1R_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.

DIRE1R_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.

DIRE1R_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.

DIRE1R_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.

DIRE1R_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.

DIRE1R_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.

DIRE1R_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

DIRE1R_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.

DIRE1R_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.

DIRE1R_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.

DIRE1R_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.

DIRE1R_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.

DIRE1R_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.

DIRE1R_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)

DIRE1R_a123_lossMotorControl

Drive Inverter Warning: Loss of motor control.

Motors are not responding to DI commands

Unable to produce torque/power from drive unit

DIRE1R_a121_motorControlRegulation

Drive Inverter Warning: Motor control is out of regulation.

Motor regulation fails to meet command inputs

Drive unit enters unit limp mode (see DI_a126_limpMode)

DIRE1R_a120_hvlinkMIA

Drive Inverter Warning: HVLINK CAN node MIA.

Any received HVLINK frame is MIA

Active discharge may turn ON

DIRE1R_a119_hvpMIA

The drive interface (DI) electronic control unit (ECU) detects that the high voltage processor (HVP) controller area network (CAN) node is missing (MIA).

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

The DI ECU is unable to monitor the state of the HVP, and active discharge may turn on.

Alerts

Alerts