MyTeslaMate App

Signal Name	Description	Condition	Impact
DIRER_a134_wheelSpeedIrrational	The drive interface (DI) electronic control unit (ECU) receives irrational or missing data from a wheel speed sensor (WSS).	The DI ECU receives irrational or no data from the WSS.	This alert is primarily informational. If it persists, traction control may become unavailable.
DIRER_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.
DIRER_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.
DIRER_a158_ibstMIA	The drive interface (DI) electronic control unit (ECU) detects that the iBooster (IBST, or brake assist) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the IBST, and considers it irrational or MIA.	The DI ECU is unable to monitor the state of the IBST.
DIRER_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.
DIRER_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.
DIRER_a123_lossMotorControl	Drive Inverter Warning: Loss of motor control	Motors are not responding to DI commands	Unable to produce torque/power from drive unit
DIRER_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.
DIRER_a155_vcsuperMIA	The drive inverter (DIx) electronic control unit (ECU) detects that the Supermanifold Vehicle Controller (VCSUPER) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the VCSUPER, and considers it irrational or MIA.	The DI ECU is unable to monitor the state of the VCSUPER.
DIRER_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.
DIRER_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
DIRER_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.
DIRER_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.
DIRER_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.
DIRER_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.
DIRER_a149_oilPumpScavengeFail	Drive Inverter Warning: Oil pump failure	Loss of communication or power to oil pump, or persistent oil pump motor stall or fault occurred	Initiates reduced drive unit performance and a speed limit on the vehicle, due to reduced gear lubrication and motor cooling
DIRER_a155_vcfrontMIA	The drive interface (DI) electronic control unit (ECU) detects that the front vehicle controller (VCFRONT) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the VCFRONT, and considers it irrational or MIA.	The DI ECU is unable to monitor the state of the VCFRONT.
DIRER_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.
DIRER_a120_hvlinkMIA	Drive Inverter Warning: HVLINK CAN node MIA	Any received HVLINK frame is MIA	Active discharge may turn ON
DIRER_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.

DIRER_a134_wheelSpeedIrrational

The drive interface (DI) electronic control unit (ECU) receives irrational or missing data from a wheel speed sensor (WSS).

The DI ECU receives irrational or no data from the WSS.

This alert is primarily informational. If it persists, traction control may become unavailable.

DIRER_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.

DIRER_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.

DIRER_a158_ibstMIA

The drive interface (DI) electronic control unit (ECU) detects that the iBooster (IBST, or brake assist) controller area network (CAN) node is missing (MIA).

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

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

DIRER_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.

DIRER_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.

DIRER_a123_lossMotorControl

Drive Inverter Warning: Loss of motor control

Motors are not responding to DI commands

Unable to produce torque/power from drive unit

DIRER_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.

DIRER_a155_vcsuperMIA

The drive inverter (DIx) electronic control unit (ECU) detects that the Supermanifold Vehicle Controller (VCSUPER) controller area network (CAN) node is missing (MIA).

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

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

DIRER_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.

DIRER_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

DIRER_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.

DIRER_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.

DIRER_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.

DIRER_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.

DIRER_a149_oilPumpScavengeFail

Drive Inverter Warning: Oil pump failure

Loss of communication or power to oil pump, or persistent oil pump motor stall or fault occurred

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

DIRER_a155_vcfrontMIA

The drive interface (DI) electronic control unit (ECU) detects that the front vehicle controller (VCFRONT) controller area network (CAN) node is missing (MIA).

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

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

DIRER_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.

DIRER_a120_hvlinkMIA

Drive Inverter Warning: HVLINK CAN node MIA

Any received HVLINK frame is MIA

Active discharge may turn ON

DIRER_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.

Alerts

Alerts