MyTeslaMate App

Signal Name	Description	Condition	Impact	Important
DIR_a115_exceptionDataAbort2	The Drive Interface (DI) processor has detected an internal exception.	The DI core detects an abort data exception. Alert log signal data provides information on the specific condition(s) detected.	This alert is primarily informational and is used for logging purposes.	No
DIR_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.	No
DIR_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.	No
DIR_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.	No
DIR_a110_brakeMIA	The drive interface (DI) electronic control unit (ECU) detects that the electronic parking brake (EPB) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the EPB, and considers it irrational or MIA.	The DI ECU is unable to monitor the state of the EPB.	No
DIR_a109_ahbWriteError	The Drive Interface (DI) processor has detected an internal exception. This alert does not on its own indicate a symptom or root cause.	The DI processor detects an exception.	This alert is primarily informational and is used for logging purposes.	No
DIR_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.	No
DIR_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.	No
DIR_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.	No
DIR_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.	No
DIR_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.	No
DIR_a091_espMIA	The drive interface (DI) electronic control unit (ECU) detects that the electronic stability program (ESP, also known as traction control) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the ESP, and considers it irrational or MIA.	The DI ECU is unable to monitor the state of the ESP.	No
DIR_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	No
DIR_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)	No
DIR_a054_driveInverterOT	Drive Inverter Warning: Inverter over temperature	Drive Inverter temperature (refer payload signals for temperatures) exceeds upper temperature threshold	No direct impact. Could damage drive inverter if temperature is continuously too high.	No
DIR_a038_busVsensor	Drive Inverter Warning: Battery sensor bad	When HV bus is up, DI measured bus voltage very low or disagrees with BMS reported voltage	Drive unit enters unit limp mode (see DI_a126_limpMode), faults (Model 3 only)	No
DIR_a035_phaseCurrentBalance	Drive Inverter Warning: Phase current imbalance	Imbalanced phase currents detected. See payload signals for reason of trigger	Drive unit enters unit limp mode (see DI_a126_limpMode)	No
DIR_a031_phaseAcurrentOffset	The Drive Inverter (DIx) Electronic Control Unit (ECU) has detected the current sensor offset has exceeded the threshold on Phase A.	The DIx ECU has detected the current sensor offset has exceeded the threshold on Phase A. Phase A hardware may need investigation.	This alert is intended for logging purposes. Phase A hardware may need investigation.	No
DIR_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.	No
DIR_a061_heatsinkSensor	Drive Inverter Warning: Heatsink sensor bad	Abnormal temperature measurements from heatsink sensor	Unable to monitor heatsink sensor temperature	No

DIR_a115_exceptionDataAbort2

The Drive Interface (DI) processor has detected an internal exception.

The DI core detects an abort data exception. Alert log signal data provides information on the specific condition(s) detected.

This alert is primarily informational and is used for logging purposes.

No

DIR_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.

No

DIR_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.

No

DIR_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.

No

DIR_a110_brakeMIA

The drive interface (DI) electronic control unit (ECU) detects that the electronic parking brake (EPB) controller area network (CAN) node is missing (MIA).

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

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

No

DIR_a109_ahbWriteError

The Drive Interface (DI) processor has detected an internal exception. This alert does not on its own indicate a symptom or root cause.

The DI processor detects an exception.

This alert is primarily informational and is used for logging purposes.

No

DIR_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.

No

DIR_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.

No

DIR_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.

No

DIR_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.

No

DIR_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.

No

DIR_a091_espMIA

The drive interface (DI) electronic control unit (ECU) detects that the electronic stability program (ESP, also known as traction control) controller area network (CAN) node is missing (MIA).

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

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

No

DIR_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

No

DIR_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)

No

DIR_a054_driveInverterOT

Drive Inverter Warning: Inverter over temperature

Drive Inverter temperature (refer payload signals for temperatures) exceeds upper temperature threshold

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

No

DIR_a038_busVsensor

Drive Inverter Warning: Battery sensor bad

When HV bus is up, DI measured bus voltage very low or disagrees with BMS reported voltage

Drive unit enters unit limp mode (see DI_a126_limpMode), faults (Model 3 only)

No

DIR_a035_phaseCurrentBalance

Drive Inverter Warning: Phase current imbalance

Imbalanced phase currents detected. See payload signals for reason of trigger

Drive unit enters unit limp mode (see DI_a126_limpMode)

No

DIR_a031_phaseAcurrentOffset

The Drive Inverter (DIx) Electronic Control Unit (ECU) has detected the current sensor offset has exceeded the threshold on Phase A.

The DIx ECU has detected the current sensor offset has exceeded the threshold on Phase A. Phase A hardware may need investigation.

This alert is intended for logging purposes. Phase A hardware may need investigation.

No

DIR_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.

No

DIR_a061_heatsinkSensor

Drive Inverter Warning: Heatsink sensor bad

Abnormal temperature measurements from heatsink sensor

Unable to monitor heatsink sensor temperature

No

Alerts

Alerts