MyTeslaMate App

Signal Name	Description	Condition	Impact
DIRE1R_a117_diMIA	The Drive Inverter (DIx) node is Missing in Action (MIA) on Controller Area Network (CAN) for one or more messages.	The DIx node is MIA on CAN for one or more messages. The DIx node or DIx may have a condition affecting functionality.	DIx may not be able to communicate with the High Voltage Processor (HVP).
DIRE1R_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
DIRE1R_a113_noFuncHeatsinkSensor	The three Drive Inverter (DIx) heat sink sensors are not functioning. The DIx heat sink sensors monitor temperature in the motor and fluid port.	The three DIx heat sink sensors are not functioning. The DIx heat sink sensors may have a condition affecting functionality.	Since it cannot detect temperature as expected, DIx may limit power output to an operational level. Drive Unit performance may be impacted.
DIRE1R_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.
DIRE1R_a111_badPhaseSensorCalib	The Drive Inverter (DIx) Electrically Erasable Programmable Read-Only Memory (EEPROM) has reported phase sensor calibration is outside valid range.	The DIx EEPROM has reported phase sensor calibration is outside valid range.	This alert is primarily for logging purposes and appears in conjunction with other alerts.
DIRE1R_a108_stateTrans	The Drive Unit is not able to transition to Drive state. There may be a condition preventing the Drive Unit from transitioning states.	The Drive Unit is not able to transition to Drive state. There may be a condition preventing the Drive Unit from transitioning states.	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.
DIRE1R_a107_fpgaError	The Drive Inverter (DIx) has detected an error communicating with the Field Programmable Gate Array (FPGA).	DIx has detected an error communicating with FPGA. There may be a condition affecting the DIx control board functionality.	The DIx Gate Drive Unit may not be able to receive data from the Pedal Monitor. The vehicle's drive cycle may not function as expected.
DIRE1R_a103_lowFlow	Drive Inverter Warning: Low flow rate of fluid.	Insufficient cooling to the drive inverter is detected	Drive unit enters unit limp mode (see DI_a126_limpMode)
DIRE1R_a098_intTimeTooLong	The Drive Inverter (DIx) has detected a DIx thread executing later than expected. The DIx CPU may be diverting resources towards other tasks.	The DIx has detected a DIx thread executing later than expected. The DIx CPU may be diverting resources towards other tasks.	This alert is primarily informational and is used for logging purposes. No expected impact on vehicle functionality.
DIRE1R_a097_eepromError	The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects an electrically erasable programmable read-only memory (EEPROM) read/write access error. Check for other alerts that may be set as a result.	There are read/write issues to EEPROM.	The DI is not able to store any record in EEPROM where the error is located, which impacts functionality on the next boot up.
DIRE1R_a096_memoryError	The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a memory check error.	The bootloader cyclic redundancy check (CRC) or application CRC is not expected, or the RAM constants do not match with initialization segment in flash.	The DI processor may reset, and other functionality may be impacted due to memory corruption.
DIRE1R_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.
DIRE1R_a091_ebsMIA	Drive Inverter Warning: EBS CAN node MIA.	DI is not receiving required feedback CAN messages from EBS	Unable to monitor EBS state
DIRE1R_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.
DIRE1R_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.
DIRE1R_a059_heatsinkOT	Drive Inverter Warning: Heatsink over temperature.	Heatsink temperature (refer to heatsinkTemp) exceeds upper temperature threshold	No direct impact. Could damage drive inverter if temperature is continuously too high.
DIRE1R_a058_ambientSensor	Drive Inverter Warning: Ambient sensor bad.	Abnormal temperature measurements from ambient sensor	Unable to monitor ambient sensor temperature
DIRE1R_a057_ambientUT	Drive Inverter Warning: Ambient under temperature.	Ambient temperature (refer to pcbTemp) drops below lower temperature threshold	No direct impact. Could damage drive inverter if temperature is continuously too low.
DIRE1R_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.
DIRE1R_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.

DIRE1R_a117_diMIA

The Drive Inverter (DIx) node is Missing in Action (MIA) on Controller Area Network (CAN) for one or more messages.

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

DIx may not be able to communicate with the High Voltage Processor (HVP).

DIRE1R_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

DIRE1R_a113_noFuncHeatsinkSensor

The three Drive Inverter (DIx) heat sink sensors are not functioning. The DIx heat sink sensors monitor temperature in the motor and fluid port.

The three DIx heat sink sensors are not functioning. The DIx heat sink sensors may have a condition affecting functionality.

Since it cannot detect temperature as expected, DIx may limit power output to an operational level. Drive Unit performance may be impacted.

DIRE1R_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.

DIRE1R_a111_badPhaseSensorCalib

The Drive Inverter (DIx) Electrically Erasable Programmable Read-Only Memory (EEPROM) has reported phase sensor calibration is outside valid range.

The DIx EEPROM has reported phase sensor calibration is outside valid range.

This alert is primarily for logging purposes and appears in conjunction with other alerts.

DIRE1R_a108_stateTrans

The Drive Unit is not able to transition to Drive state. There may be a condition preventing the Drive Unit from transitioning states.

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.

DIRE1R_a107_fpgaError

The Drive Inverter (DIx) has detected an error communicating with the Field Programmable Gate Array (FPGA).

DIx has detected an error communicating with FPGA. There may be a condition affecting the DIx control board functionality.

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

DIRE1R_a103_lowFlow

Drive Inverter Warning: Low flow rate of fluid.

Insufficient cooling to the drive inverter is detected

Drive unit enters unit limp mode (see DI_a126_limpMode)

DIRE1R_a098_intTimeTooLong

The Drive Inverter (DIx) has detected a DIx thread executing later than expected. The DIx CPU may be diverting resources towards other tasks.

The DIx has detected a DIx thread executing later than expected. The DIx CPU may be diverting resources towards other tasks.

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

DIRE1R_a097_eepromError

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects an electrically erasable programmable read-only memory (EEPROM) read/write access error. Check for other alerts that may be set as a result.

There are read/write issues to EEPROM.

The DI is not able to store any record in EEPROM where the error is located, which impacts functionality on the next boot up.

DIRE1R_a096_memoryError

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a memory check error.

The bootloader cyclic redundancy check (CRC) or application CRC is not expected, or the RAM constants do not match with initialization segment in flash.

The DI processor may reset, and other functionality may be impacted due to memory corruption.

DIRE1R_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.

DIRE1R_a091_ebsMIA

Drive Inverter Warning: EBS CAN node MIA.

DI is not receiving required feedback CAN messages from EBS

Unable to monitor EBS state

DIRE1R_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.

DIRE1R_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.

DIRE1R_a059_heatsinkOT

Drive Inverter Warning: Heatsink over temperature.

Heatsink temperature (refer to heatsinkTemp) exceeds upper temperature threshold

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

DIRE1R_a058_ambientSensor

Drive Inverter Warning: Ambient sensor bad.

Abnormal temperature measurements from ambient sensor

Unable to monitor ambient sensor temperature

DIRE1R_a057_ambientUT

Drive Inverter Warning: Ambient under temperature.

Ambient temperature (refer to pcbTemp) drops below lower temperature threshold

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

DIRE1R_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.

DIRE1R_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.

Alerts

Alerts