MyTeslaMate App

Signal Name	Description	Condition	Impact	Important
DIF_a233_diMsgMissed	The Drive Inverter (DIx) has missed 3 to 5 messages from the main controller. DIx will maintain the last commanded torque value, then 0 Nm.	DIx has missed 3 to 5 messages from the main controller. DIx will maintain the last commanded torque value, then 0 Nm.	This alert is primarily informational and is used for logging purposes. No expected impact on vehicle functionality.	No
DIF_a202_excessHeatUnavailable	The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a condition that prevents the drive unit(s) from generating excess heat.	The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a condition that prevents the drive unit(s) from generating excess heat. Alert log signal data provides information on the specific condition(s) detected.	The drive unit(s) cannot produce excess heat when requested.	No
DIF_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
DIF_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
DIF_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.	No
DIF_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.	No
DIF_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.	No
DIF_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.	No
DIF_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.	No
DIF_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.	No
DIF_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.	No
DIF_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.	No
DIF_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.	No
DIF_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.	No
DIF_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
DIF_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
DIF_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
DIF_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
DIF_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.	No
DIRE1L_a006_hwPhaseCpeak	The Drive Inverter (DIx) current sensor hardware comparator has detected an overcurrent event (or peak) on Phase C.	The DIx current sensor hardware comparator has detected a peak on Phase C.	DIx may be inoperable.	No

DIF_a233_diMsgMissed

The Drive Inverter (DIx) has missed 3 to 5 messages from the main controller. DIx will maintain the last commanded torque value, then 0 Nm.

DIx has missed 3 to 5 messages from the main controller. DIx will maintain the last commanded torque value, then 0 Nm.

This alert is primarily informational and is used for logging purposes. No expected impact on vehicle functionality.

No

DIF_a202_excessHeatUnavailable

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a condition that prevents the drive unit(s) from generating excess heat.

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a condition that prevents the drive unit(s) from generating excess heat. Alert log signal data provides information on the specific condition(s) detected.

The drive unit(s) cannot produce excess heat when requested.

No

DIF_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

DIF_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

DIF_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.

No

DIF_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.

No

DIF_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.

No

DIF_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.

No

DIF_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.

No

DIF_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.

No

DIF_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.

No

DIF_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.

No

DIF_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.

No

DIF_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.

No

DIF_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

DIF_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

DIF_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

DIF_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

DIF_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.

No

DIRE1L_a006_hwPhaseCpeak

The Drive Inverter (DIx) current sensor hardware comparator has detected an overcurrent event (or peak) on Phase C.

The DIx current sensor hardware comparator has detected a peak on Phase C.

DIx may be inoperable.

No

Alerts

Alerts