MyTeslaMate App

Signal Name	Description	Condition	Impact
DIRE1L_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.
DIRE1L_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).
DIRE1L_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
DIRE1L_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.
DIRE1L_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.
DIRE1L_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.
DIRE1L_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.
DIRE1L_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.
DIRE1L_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.
DIRE1L_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)
DIRE1L_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.
DIRE1L_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.
DIRE1L_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.
DIRE1L_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.
DIRE1L_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.
DIRE1L_a091_ebsMIA	Drive Inverter Warning: EBS CAN node MIA.	DI is not receiving required feedback CAN messages from EBS	Unable to monitor EBS state
DIRE1L_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.
DIRE1L_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.
DIRE1L_a072_gateDriveFaultCounter	The phase gate drive has detected four fault related signals from the induction motor or ten from the magnet motor.	The phase gate drive has detected four fault related signals from the induction motor or ten from the magnet motor. The induction motor or magnet motor may have a condition affecting functionality.	The phase gate drive fault counter may block any power stage from enabling. The drive unit may not function as expected.
DIRE1L_a086_activeDischargeOn	Drive Inverter Warning: Active discharge is on but bus voltage remains high.	Bus voltage is high while active discharge is ON	Potentially exposed high voltage

DIRE1L_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.

DIRE1L_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).

DIRE1L_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

DIRE1L_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.

DIRE1L_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.

DIRE1L_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.

DIRE1L_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.

DIRE1L_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.

DIRE1L_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.

DIRE1L_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)

DIRE1L_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.

DIRE1L_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.

DIRE1L_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.

DIRE1L_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.

DIRE1L_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.

DIRE1L_a091_ebsMIA

Drive Inverter Warning: EBS CAN node MIA.

DI is not receiving required feedback CAN messages from EBS

Unable to monitor EBS state

DIRE1L_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.

DIRE1L_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.

DIRE1L_a072_gateDriveFaultCounter

The phase gate drive has detected four fault related signals from the induction motor or ten from the magnet motor.

The phase gate drive has detected four fault related signals from the induction motor or ten from the magnet motor. The induction motor or magnet motor may have a condition affecting functionality.

The phase gate drive fault counter may block any power stage from enabling. The drive unit may not function as expected.

DIRE1L_a086_activeDischargeOn

Drive Inverter Warning: Active discharge is on but bus voltage remains high.

Bus voltage is high while active discharge is ON

Potentially exposed high voltage

Alerts

Alerts