MyTeslaMate App

Signal Name	Description	Condition	Impact	Important
DI_a019_hwAccelPedalPower	The drive interface (DI) electronic control unit (ECU) detects in hardware that the accelerator pedal power supply is under voltage.	The DI ECU detects that any accelerator pedal supply rail is out of rational range.	Vehicle drive torque immediately disabled.	No
DI_a018_hwLVSupplyUV	The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a low voltage (LV) battery undervoltage event.	LV supply voltage to DI is disconnected or drops below lower voltage threshold.	The DI ECU triggers limp mode (see separate limpMode alerts) and cannot produce torque or power.	No
DI_a017_hwPedalMonitor	The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a condition that leads to the pedal monitor (PM) disabling powertrain.	The PM detects a condition that requires it to intervene and disable powertrain.	Vehicle drive torque is immediately disabled.	No
DI_a016_parkRequestByPM	The pedal monitor (PM) requests that the drive interface (DI) electronic control unit (ECU) shift into a non-torque gear (Park or Neutral) at a low speed.	The DI ECU receives a shift request from the PM when vehicle speed is below 1 mph (1.6 km/h).	The DI ECU shifts to Park without user request.	No
DI_a129_epbNotApplied	The drive interface (DI) electronic control unit (ECU) detects a condition that prevents the electronic parking brake (EPB) from being set while the vehicle is not moving.	The DI ECU detects a condition that prevents it from setting the EPB.	The EPB is not applied, and the vehicle may be free rolling.	No
DI_a015_immobilizer	The drive interface (DI) electronic control unit (ECU) detects an issue with the immobilizer.	The DI ECU detects that immobilizer authentication failed or it has been bypassed.	Shift out of Park is blocked.	No
DI_a013_eccError	The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a RAM read or embedded conveyor controller (ECC) flash fetch issue.	The DI ECU detects an uncorrectable flash or RAM error.	This alert is for diagnostic logging purposes only.	No
DI_a012_accel5VSupply	The drive interface (DI) electronic control unit (ECU) detects in software that a reference voltage supplied to the accelerator pedal sensor is out of bounds.	Set when any accelerator pedal supply rail is out of rational range for 200ms.	Vehicle drive torque immediately disabled.	No
DI_a011_usmMIA	The drive interface (DI) electronic control unit (ECU) detects that the ultrasonic sensor module (USM) controller area network (CAN) node is missing (MIA).	DI is not receiving CAN communication from USM and is considered irrational or missing.	PM system is unable to determine USM state.	No
DI_a010_unintendedReset	The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) resets for an unintended reason, such as a watchdog timeout.	The DI ECU resets for an unintended reason. Alert log signal data should provide more information on the specific reason.	The DI ECU is unavailable while it resets.	No
DI_a009_rearRightUnitDisabled	The drive inverter (DI) electronic control unit (ECU) is unable to command a unit torque request to the rear right drive inverter (DIRER) ECU because the rear right drive unit is disabled. This alert is set in addition to one or more DIRER alert(s) indicating the reason why the rear right drive unit is disabled.	At least one additional alert is present indicating the rear right drive unit is disabled. Alert log signal data should provide more information on the specific condition(s) detected.	The rear right drive unit may be disabled, which may prevent torque or power from being produced on the rear wheels.	No
DI_a008_rearLeftUnitDisabled	The drive inverter (DI) electronic control unit (ECU) is unable to command a unit torque request to the rear left drive inverter (DIREL) ECU because the rear left drive unit is disabled. This alert is set in addition to one or more DIREL alert(s) indicating the reason why the rear left drive unit is disabled.	At least one additional alert is present indicating the rear left drive unit is disabled. Alert log signal data should provide more information on the specific condition(s) detected.	The rear left drive unit may be disabled, which may prevent torque or power from being produced on the rear wheels.	No
DI_a007_secGearSelButtonStuck	The drive interface (DI) electronic control unit (ECU) detects that the secondary shifter module (CCCM or PRND) button is falsely pressed.	The DI ECU detects that the secondary shifter button is pressed for longer than 1 second.	Secondary shifter (CCCM or PRND) button presses are not able to control vehicle's gear state.	No
DI_a007_awssDiagnosticRe2R	Diagnostic warning of the front left active wheel speed sensor.	One of the diagnostic reasons is active.	No immediate impact. The sensor may be marginally sensing speed and may require adjustments or replacement.	No
DI_a130_aebFault	The drive interface (DI) electronic control unit (ECU) detects a condition that affects Automatic Emergency Braking (AEB).	The DI ECU detects a condition affecting AEB. Alert log signal data provides information on the specific condition(s) detected.	AEB is unavailable.	No
DI_a091_ebsMIA	Drive Inverter Warning: EBS CAN node MIA.	DI is not receiving required feedback CAN messages from EBS	Unable to monitor EBS state	No
DI_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
DI_a116_motorRecovered	Drive Inverter (DI) electronic control unit (ECU) has successfully recovered after an unexpected reset event.	Drive Inverter (DI) electronic control unit (ECU) successfully reinitializes after an unexpected reset event.	Vehicle may have experienced unexpected brake force during the reset event.	No
DI_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.	No
DI_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

DI_a019_hwAccelPedalPower

The drive interface (DI) electronic control unit (ECU) detects in hardware that the accelerator pedal power supply is under voltage.

The DI ECU detects that any accelerator pedal supply rail is out of rational range.

Vehicle drive torque immediately disabled.

No

DI_a018_hwLVSupplyUV

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a low voltage (LV) battery undervoltage event.

LV supply voltage to DI is disconnected or drops below lower voltage threshold.

The DI ECU triggers limp mode (see separate limpMode alerts) and cannot produce torque or power.

No

DI_a017_hwPedalMonitor

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a condition that leads to the pedal monitor (PM) disabling powertrain.

The PM detects a condition that requires it to intervene and disable powertrain.

Vehicle drive torque is immediately disabled.

No

DI_a016_parkRequestByPM

The pedal monitor (PM) requests that the drive interface (DI) electronic control unit (ECU) shift into a non-torque gear (Park or Neutral) at a low speed.

The DI ECU receives a shift request from the PM when vehicle speed is below 1 mph (1.6 km/h).

The DI ECU shifts to Park without user request.

No

DI_a129_epbNotApplied

The drive interface (DI) electronic control unit (ECU) detects a condition that prevents the electronic parking brake (EPB) from being set while the vehicle is not moving.

The DI ECU detects a condition that prevents it from setting the EPB.

The EPB is not applied, and the vehicle may be free rolling.

No

DI_a015_immobilizer

The drive interface (DI) electronic control unit (ECU) detects an issue with the immobilizer.

The DI ECU detects that immobilizer authentication failed or it has been bypassed.

Shift out of Park is blocked.

No

DI_a013_eccError

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a RAM read or embedded conveyor controller (ECC) flash fetch issue.

The DI ECU detects an uncorrectable flash or RAM error.

This alert is for diagnostic logging purposes only.

No

DI_a012_accel5VSupply

The drive interface (DI) electronic control unit (ECU) detects in software that a reference voltage supplied to the accelerator pedal sensor is out of bounds.

Set when any accelerator pedal supply rail is out of rational range for 200ms.

Vehicle drive torque immediately disabled.

No

DI_a011_usmMIA

The drive interface (DI) electronic control unit (ECU) detects that the ultrasonic sensor module (USM) controller area network (CAN) node is missing (MIA).

DI is not receiving CAN communication from USM and is considered irrational or missing.

PM system is unable to determine USM state.

No

DI_a010_unintendedReset

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) resets for an unintended reason, such as a watchdog timeout.

The DI ECU resets for an unintended reason. Alert log signal data should provide more information on the specific reason.

The DI ECU is unavailable while it resets.

No

DI_a009_rearRightUnitDisabled

The drive inverter (DI) electronic control unit (ECU) is unable to command a unit torque request to the rear right drive inverter (DIRER) ECU because the rear right drive unit is disabled. This alert is set in addition to one or more DIRER alert(s) indicating the reason why the rear right drive unit is disabled.

At least one additional alert is present indicating the rear right drive unit is disabled. Alert log signal data should provide more information on the specific condition(s) detected.

The rear right drive unit may be disabled, which may prevent torque or power from being produced on the rear wheels.

No

DI_a008_rearLeftUnitDisabled

The drive inverter (DI) electronic control unit (ECU) is unable to command a unit torque request to the rear left drive inverter (DIREL) ECU because the rear left drive unit is disabled. This alert is set in addition to one or more DIREL alert(s) indicating the reason why the rear left drive unit is disabled.

At least one additional alert is present indicating the rear left drive unit is disabled. Alert log signal data should provide more information on the specific condition(s) detected.

The rear left drive unit may be disabled, which may prevent torque or power from being produced on the rear wheels.

No

DI_a007_secGearSelButtonStuck

The drive interface (DI) electronic control unit (ECU) detects that the secondary shifter module (CCCM or PRND) button is falsely pressed.

The DI ECU detects that the secondary shifter button is pressed for longer than 1 second.

Secondary shifter (CCCM or PRND) button presses are not able to control vehicle's gear state.

No

DI_a007_awssDiagnosticRe2R

Diagnostic warning of the front left active wheel speed sensor.

One of the diagnostic reasons is active.

No immediate impact. The sensor may be marginally sensing speed and may require adjustments or replacement.

No

DI_a130_aebFault

The drive interface (DI) electronic control unit (ECU) detects a condition that affects Automatic Emergency Braking (AEB).

The DI ECU detects a condition affecting AEB. Alert log signal data provides information on the specific condition(s) detected.

AEB is unavailable.

No

DI_a091_ebsMIA

Drive Inverter Warning: EBS CAN node MIA.

DI is not receiving required feedback CAN messages from EBS

Unable to monitor EBS state

No

DI_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

DI_a116_motorRecovered

Drive Inverter (DI) electronic control unit (ECU) has successfully recovered after an unexpected reset event.

Drive Inverter (DI) electronic control unit (ECU) successfully reinitializes after an unexpected reset event.

Vehicle may have experienced unexpected brake force during the reset event.

No

DI_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.

No

DI_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

Alerts

Alerts