MyTeslaMate App

Signal Name	Description	Condition	Impact
DI_a153_vcrightMIA	The drive interface (DI) electronic control unit (ECU) detects that the right vehicle controller (VCRIGHT) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the VCRIGHT, and considers it irrational or MIA.	The DI ECU is unable to monitor the state of the VCRIGHT.
DI_a151_vcdoorrrMIA	The drive interface (DI) electronic control unit (ECU) detects that the Rear Right Door Vehicle Controller (VCDOORRR) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the VCDOORRR, and considers it irrational or MIA.	The DI ECU is unable to monitor the state of the VCDOORRR.
DI_a150_coldBrakeTempWarning	On a vehicle equipped with the carbon ceramic brake package, the drive inverter (DI) detects the ambient temperature is below the rated temperature for the brakes. Braking performance may be significantly reduced.	The ambient temperature is below -10 degrees C (or 14 degrees F).	Braking performance may be significantly reduced due to cold weather.
DI_a149_vcdoorrlMIA	The drive interface (DI) electronic control unit (ECU) detects that the Rear Left Door Vehicle Controller (VCDOORRL) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the VCDOORRL, and considers it irrational or MIA.	The DI ECU is unable to monitor the state of the VCDOORRL.
DI_a148_vcdoorfrMIA	The drive interface (DI) electronic control unit (ECU) detects that the Front Right Door Vehicle Controller (VCDOORFR) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the VCDOORFR, and considers it irrational or MIA.	The DI ECU is unable to monitor the state of the VCDOORFR.
DI_a147_vcdoorflMIA	The drive interface (DI) electronic control unit (ECU) detects that the Front Left Door Vehicle Controller (VCDOORFL) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the VCDOORFL, and considers it irrational or MIA.	The DI ECU is unable to monitor the state of the VCDOORFL.
DI_a146_pbrkPanicEpbFault	The drive interface (DI) electronic control unit (ECU) detects that there is an issue with the electronic parking brake (EPB) during parking.	The DI ECU detects a condition affecting the EPB.	The EPB is not applied.
DI_a145_vcleftMIA	The drive interface (DI) 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.
DI_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.
DI_a143_mcuLimitActive	The media control unit (MCU) is limiting the top speed and power of the drive unit(s).	The media control unit (MCU) is limiting the top speed and power of the drive unit(s).	Torque and top speed are reduced.
DI_a141_dasMIA	The drive interface (DI) electronic control unit (ECU) detects that the driver assistance system (DAS) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the DAS, and considers it irrational or MIA.	Some driver assistance features are unavailable.
DI_a224_brakeOverTemp	The drive interface (DI) electronic control unit (ECU) detects brake temperatures above the range expected to provide a comfortable driving experience.	Any brake temperature detected above the set threshold for a sustained period of time.	Braking performance may be reduced.
DI_a225_brakeOverTempTrack	The drive interface (DI) electronic control unit (ECU) detects brake temperatures above the range expected to provide a comfortable driving experience by a critical amount.	Any brake temperature detected above the set threshold for a sustained period of time.	High brake temperatures can reduce braking performance.
DI_a226_sysStartConditionNotMet	The drive interface (DI) electronic control unit (ECU) detects that not all system start conditions are met.	The DI ECU detects that HV is not ready for at least 5 seconds in Drive, or there is an unconfirmed UI alert such as front trunk (frunk) opened, Falcon door opened (Model X only), or unknown proximity state for 10 seconds in Drive.	Shift out of Park is blocked.
DI_a140_ptcMIA	The drive interface (DI) electronic control unit (ECU) detects that the positive temperature coefficient (PTC) heater controller area network (CAN) node is missing (MIA).	The DI ECU does not receive the expected CAN messages from the PTC heater.	The DI ECU is unable to determine the state of the PTC heater.
DI_a140_eggright3MIA	The drive interface (DI) 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.
DI_a139_rearUnitDisabled	The drive inverter (DI) electronic control unit (ECU) is unable to command a unit torque request to the rear drive inverter (DIR) ECU because the rear drive unit is disabled. This alert is set in addition to one or more DIR alert(s) indicating the reason why the rear drive unit is disabled.	At least one additional alert is present indicating the rear drive unit is disabled. Alert log signal data should provide more information on the specific condition(s) detected.	The rear drive unit may be disabled, which may prevent torque or power from being produced on the rear wheels.
DI_a139_rear1lUnitDisabled	Drive Inverter Warning: Rear 1 left drive unit disabled.	Fault detected in the rear drive unit	Unable to produce any torque or power on the rear wheels
DI_a222_vdcDisabled	Stability control is not available. Check for other drive interface (DI) alerts that point to the specific cause of the condition. Also ensure the vehicle is on consistent software with no software version mismatch alerts.	The DI detects that stability control is not available.	Stability control is not available, requiring greater manual input from the driver.
DI_a210_vdcOtherControllerStates	Drive Inverter Warning: Inputs to stability control have degraded.	The actuators required for stability control are in degraded states, so stability control is also degraded. Check tractionControlState and espActuatorState to find the specific controller that is degrading stability control. For tractionControlState, check previous DI alerts that point to specific cause of their degredation. For espActuatorState, check for ESP alerts that point to the specific cause of its degredation.	Traction control and stability control may fault due to this error, requiring greater manual input from the driver.

DI_a153_vcrightMIA

The drive interface (DI) electronic control unit (ECU) detects that the right vehicle controller (VCRIGHT) controller area network (CAN) node is missing (MIA).

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

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

DI_a151_vcdoorrrMIA

The drive interface (DI) electronic control unit (ECU) detects that the Rear Right Door Vehicle Controller (VCDOORRR) controller area network (CAN) node is missing (MIA).

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

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

DI_a150_coldBrakeTempWarning

On a vehicle equipped with the carbon ceramic brake package, the drive inverter (DI) detects the ambient temperature is below the rated temperature for the brakes. Braking performance may be significantly reduced.

The ambient temperature is below -10 degrees C (or 14 degrees F).

Braking performance may be significantly reduced due to cold weather.

DI_a149_vcdoorrlMIA

The drive interface (DI) electronic control unit (ECU) detects that the Rear Left Door Vehicle Controller (VCDOORRL) controller area network (CAN) node is missing (MIA).

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

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

DI_a148_vcdoorfrMIA

The drive interface (DI) electronic control unit (ECU) detects that the Front Right Door Vehicle Controller (VCDOORFR) controller area network (CAN) node is missing (MIA).

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

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

DI_a147_vcdoorflMIA

The drive interface (DI) electronic control unit (ECU) detects that the Front Left Door Vehicle Controller (VCDOORFL) controller area network (CAN) node is missing (MIA).

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

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

DI_a146_pbrkPanicEpbFault

The drive interface (DI) electronic control unit (ECU) detects that there is an issue with the electronic parking brake (EPB) during parking.

The DI ECU detects a condition affecting the EPB.

The EPB is not applied.

DI_a145_vcleftMIA

The drive interface (DI) 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.

DI_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.

DI_a143_mcuLimitActive

The media control unit (MCU) is limiting the top speed and power of the drive unit(s).

Torque and top speed are reduced.

DI_a141_dasMIA

The drive interface (DI) electronic control unit (ECU) detects that the driver assistance system (DAS) controller area network (CAN) node is missing (MIA).

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

Some driver assistance features are unavailable.

DI_a224_brakeOverTemp

The drive interface (DI) electronic control unit (ECU) detects brake temperatures above the range expected to provide a comfortable driving experience.

Any brake temperature detected above the set threshold for a sustained period of time.

Braking performance may be reduced.

DI_a225_brakeOverTempTrack

The drive interface (DI) electronic control unit (ECU) detects brake temperatures above the range expected to provide a comfortable driving experience by a critical amount.

Any brake temperature detected above the set threshold for a sustained period of time.

High brake temperatures can reduce braking performance.

DI_a226_sysStartConditionNotMet

The drive interface (DI) electronic control unit (ECU) detects that not all system start conditions are met.

The DI ECU detects that HV is not ready for at least 5 seconds in Drive, or there is an unconfirmed UI alert such as front trunk (frunk) opened, Falcon door opened (Model X only), or unknown proximity state for 10 seconds in Drive.

Shift out of Park is blocked.

DI_a140_ptcMIA

The drive interface (DI) electronic control unit (ECU) detects that the positive temperature coefficient (PTC) heater controller area network (CAN) node is missing (MIA).

The DI ECU does not receive the expected CAN messages from the PTC heater.

The DI ECU is unable to determine the state of the PTC heater.

DI_a140_eggright3MIA

The drive interface (DI) 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.

DI_a139_rearUnitDisabled

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

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

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

DI_a139_rear1lUnitDisabled

Drive Inverter Warning: Rear 1 left drive unit disabled.

Fault detected in the rear drive unit

Unable to produce any torque or power on the rear wheels

DI_a222_vdcDisabled

Stability control is not available. Check for other drive interface (DI) alerts that point to the specific cause of the condition. Also ensure the vehicle is on consistent software with no software version mismatch alerts.

The DI detects that stability control is not available.

Stability control is not available, requiring greater manual input from the driver.

DI_a210_vdcOtherControllerStates

Drive Inverter Warning: Inputs to stability control have degraded.

The actuators required for stability control are in degraded states, so stability control is also degraded. Check tractionControlState and espActuatorState to find the specific controller that is degrading stability control. For tractionControlState, check previous DI alerts that point to specific cause of their degredation. For espActuatorState, check for ESP alerts that point to the specific cause of its degredation.

Traction control and stability control may fault due to this error, requiring greater manual input from the driver.

Alerts

Alerts