MyTeslaMate App

Signal Name	Description	Condition	Impact
DIRE1L_a006_hwPhaseCpeak	The Drive Inverter (DIx) current sensor hardware comparator has detected an overcurrent event (or peak) on Phase C.	The DIx current sensor hardware comparator has detected a peak on Phase C.	DIx may be inoperable.
DIF_a233_diMsgMissed	The Drive Inverter (DIx) has missed 3 to 5 messages from the main controller. DIx will maintain the last commanded torque value, then 0 Nm.	DIx has missed 3 to 5 messages from the main controller. DIx will maintain the last commanded torque value, then 0 Nm.	This alert is primarily informational and is used for logging purposes. No expected impact on vehicle functionality.
DIF_a234_pcsMIA	The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects that the power conversion system (PCS) controller area network (CAN) node is missing (MIA).	The DI ECU does not receive the expected CAN messages from the PCS.	The DI ECU is unable to monitor the state of the PCS.
DIF_a133_capacitorOT	The Drive Inverter (DIx) has detected the capacitor is over temperature.	DIx has detected the capacitor is over temperature. The pack contactors may have a condition affecting functionality.	The flow of current between the capacitors and DIx may not function as expected.
DIF_a236_tasMIA	The drive interface (DI) electronic control unit (ECU) detects that the Tesla air suspension (TAS) controller area network (CAN) node is missing (MIA).	The DI ECU does not receive the expected CAN messages from TAS.	TAS may be unavailable.
DIF_a242_spinDownLearning	Drive unit spindown learning calibration routine is in progress.	Drive unit rotor offset, rotor flux, or resolver error learning routine is in progress.	Drive unit torque is limited and pending spindown sequence.
DIF_a161_epas3pMIA	The drive interface (DI) electronic control unit (ECU) detects that the electronic power assisted steering, gen 3 (EPAS3) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the EPAS3, and considers it irrational or MIA.	The DI ECU is unable to monitor the state of the EPAS3.
DIF_a244_mechSafeStateApplied	Alert for software trigger of mechanical safe state two-phase disconnect device.	Software detects a shorted semiconductor switch. The alert log signals provide detailed trigger algorithm info.	The motor is permanently disabled.
DIF_a246_recoveryAtSpeedError	The Drive Interface (DI) detects the at-speed recovery mechanism encountered an error.	The DI detects the at-speed recovery mechanism encounters an error affecting its functionality. Alert log signal data provides information on the specific condition(s) detected.	The vehicle may lose propulsion.
DIF_a247_rotorOffsetError	The Drive Interface (DI) detects the rotor is irrationally offset.	Rotor offset mean estimator is above minimum rationality threshold at very low absolute torque outputs	Diagnostic alert data only, may indicate reduction in torque or excess heat accuracy
DIF_a155_vcfrontMIA	The drive interface (DI) electronic control unit (ECU) detects that the front vehicle controller (VCFRONT) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the VCFRONT, and considers it irrational or MIA.	The DI ECU is unable to monitor the state of the VCFRONT.
DIF_a251_oilPumpService	Drive Inverter Warning: Oil pump service.	Adverse oil pressure detected or DC current sensor rationality degraded, see reason payload	Drive Unit thermal estimation and limits are conservative, potential torque limiting with aggressive driving, recommend inspecting drive unit oil level and oil pump
DIRE1L_a001_hwPhaseAgateDrive	The Drive Inverter (DIx) has detected a condition affecting functionality at the gate driver on Phase A.	DIx has detected a condition affecting functionality at the gate driver on Phase A. View payload signal to confirm reason for alert.	DIx may be inoperable.
DIF_a155_vcsuperMIA	The drive inverter (DIx) electronic control unit (ECU) detects that the Supermanifold Vehicle Controller (VCSUPER) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the VCSUPER, and considers it irrational or MIA.	The DI ECU is unable to monitor the state of the VCSUPER.
DIF_a157_rcmMIA	The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects that the restraints control module (RCM) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the RCM, and considers it irrational or MIA.	The DI ECU is unable to monitor the state of the RCM.
DIF_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.
DIF_a158_ibstMIA	The drive interface (DI) electronic control unit (ECU) detects that the iBooster (IBST, or brake assist) controller area network (CAN) node is missing (MIA).	The DI ECU is not receiving the expected CAN communication from the IBST, and considers it irrational or MIA.	The DI ECU is unable to monitor the state of the IBST.
DIF_a140_eggright3MIA	The drive inverter (DIx) 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.
DIF_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.
DIF_a145_vcleftMIA	The drive inverter (DIx) 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.

DIRE1L_a006_hwPhaseCpeak

The Drive Inverter (DIx) current sensor hardware comparator has detected an overcurrent event (or peak) on Phase C.

The DIx current sensor hardware comparator has detected a peak on Phase C.

DIx may be inoperable.

DIF_a233_diMsgMissed

The Drive Inverter (DIx) has missed 3 to 5 messages from the main controller. DIx will maintain the last commanded torque value, then 0 Nm.

DIx has missed 3 to 5 messages from the main controller. DIx will maintain the last commanded torque value, then 0 Nm.

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

DIF_a234_pcsMIA

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects that the power conversion system (PCS) controller area network (CAN) node is missing (MIA).

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

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

DIF_a133_capacitorOT

The Drive Inverter (DIx) has detected the capacitor is over temperature.

DIx has detected the capacitor is over temperature. The pack contactors may have a condition affecting functionality.

The flow of current between the capacitors and DIx may not function as expected.

DIF_a236_tasMIA

The drive interface (DI) electronic control unit (ECU) detects that the Tesla air suspension (TAS) controller area network (CAN) node is missing (MIA).

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

TAS may be unavailable.

DIF_a242_spinDownLearning

Drive unit spindown learning calibration routine is in progress.

Drive unit rotor offset, rotor flux, or resolver error learning routine is in progress.

Drive unit torque is limited and pending spindown sequence.

DIF_a161_epas3pMIA

The drive interface (DI) electronic control unit (ECU) detects that the electronic power assisted steering, gen 3 (EPAS3) controller area network (CAN) node is missing (MIA).

The DI ECU is not receiving the expected CAN communication from the EPAS3, and considers it irrational or MIA.

The DI ECU is unable to monitor the state of the EPAS3.

DIF_a244_mechSafeStateApplied

Alert for software trigger of mechanical safe state two-phase disconnect device.

Software detects a shorted semiconductor switch. The alert log signals provide detailed trigger algorithm info.

The motor is permanently disabled.

DIF_a246_recoveryAtSpeedError

The Drive Interface (DI) detects the at-speed recovery mechanism encountered an error.

The DI detects the at-speed recovery mechanism encounters an error affecting its functionality. Alert log signal data provides information on the specific condition(s) detected.

The vehicle may lose propulsion.

DIF_a247_rotorOffsetError

The Drive Interface (DI) detects the rotor is irrationally offset.

Rotor offset mean estimator is above minimum rationality threshold at very low absolute torque outputs

Diagnostic alert data only, may indicate reduction in torque or excess heat accuracy

DIF_a155_vcfrontMIA

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

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

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

DIF_a251_oilPumpService

Drive Inverter Warning: Oil pump service.

Adverse oil pressure detected or DC current sensor rationality degraded, see reason payload

Drive Unit thermal estimation and limits are conservative, potential torque limiting with aggressive driving, recommend inspecting drive unit oil level and oil pump

DIRE1L_a001_hwPhaseAgateDrive

The Drive Inverter (DIx) has detected a condition affecting functionality at the gate driver on Phase A.

DIx has detected a condition affecting functionality at the gate driver on Phase A. View payload signal to confirm reason for alert.

DIx may be inoperable.

DIF_a155_vcsuperMIA

The drive inverter (DIx) electronic control unit (ECU) detects that the Supermanifold Vehicle Controller (VCSUPER) controller area network (CAN) node is missing (MIA).

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

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

DIF_a157_rcmMIA

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects that the restraints control module (RCM) controller area network (CAN) node is missing (MIA).

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

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

DIF_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.

DIF_a158_ibstMIA

The drive interface (DI) electronic control unit (ECU) detects that the iBooster (IBST, or brake assist) controller area network (CAN) node is missing (MIA).

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

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

DIF_a140_eggright3MIA

The drive inverter (DIx) 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.

DIF_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.

DIF_a145_vcleftMIA

The drive inverter (DIx) 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.

Alerts

Alerts