MyTeslaMate App

Signal Name	Description	Condition	Impact
EPASTS_a197_difpDifactorInvalid	This alert is reported by the DIFactorProvider_Generic (DIFP) component in case of DI factor Calibration data failure.	DI factor Calibration data failure.	No impact
EPASTS_a196_topEolTasOffsetInvalid	This alert is reported by the TASOffsetProvider_Generic (TOP) component in case of tas offset calibration data failure.	Tas offset calibration data failure.	No impact
EPASTS_a195_imcmCommErrC1	This alert is reported by the IMCM_C1 (IMCM) component in case Inter-MCU comm failure or the other side is not communicating (UV or other failure).	Inter-MCU comm failure or the other side is not communicating. The signal is unavailable because checksum error, or the signal is unavailable because Alive counter error, or Timeout (no frame arrived), or Frame size is out of range.	EPAS A and B sides are not able to communicate. Steering assist reduced or might be unavailable.
EPASTS_a194_amNvdataLoss	This alert is reported when the Actuator Manager (AM) NvM Health status may be corrupted.	If the FET short diagnostic's previous test execution status s not readable from the NvM.	No impact
EPASTS_a193_osumC0StackNearFull	This alert is reported by the OnlineStackUsageMonitor_R12 (OSUM) component when stack usage on core 0 is almost full.	EPAS memory usage monitor detected high consumption warning (context switch area on Core0).	No impact
EPASTS_a192_osumC0CsaNearFull	This alert is reported by the OnlineStackUsageMonitor_R12 (OSUM) componen twhen context switch area usage on core 0 is almost full.	EPAS memory usage monitor detected high consumption warning (context switch area on Core0).	No impact
EPASTS_a191_sbcscpVcp2VucVoltFail	This alert is reported by the SBCStartupCauseProvider_A8140x (SBCSCP) component in case of MCU I/O power supply (VDD_IO) monitor by SBC and under/over voltage on the second charge pump. Against power supply faults of the main microcontroller.	Under or over voltage on 5V MCU and VCP2 supplies.	EPAS full loss of assist.
EPASTS_a190_sbchCommBufferOverflow	This alert is reported in case SBC Communication buffer overflow checker. Against systematic SW failures on SystemBasisChipHAL component.	SBC Communication buffer overflows (Sending data is bigger than buffer limit (DMA_BUFFER_LENGTH) or Previously triggered message transfer is not finished: DmaChannelStatus is not DMA_TRANSFER_STATUS_SUCCESS or RTE buffer (message queue) overflow in the SystemBasisChipHAL_A8140x component).	EPAS reset. If reset more than 5 times then EPAS full loss of assist.
EPASTS_a189_sbchCommErrMcuToSbc	This alert is reported by the SystemBasisChipHAL_A8140x (SBCH) component in case SBC communication check (MCU -> SBC) fails. Against random HW failures of the MCU and communication line including EMC.	SBC communication check (MCU -> SBC) fails (SE flag is set in WD feeding answer messages).	EPAS reset. If reset more than 5 times then EPAS full loss of assist.
EPASTS_a188_epmCommBufferOverflow	This alert is reported by the ExternalPowerManager_A8140x (EPM) component in case SBC Communication buffer overflow checker. Against systematic SW failures on ExternalPowerManager component.	SBC Communication buffer overflows (RTE buffer (message queue) overflow in the ExternalPowerManager_A8140x component).	EPAS reset. If reset more than 5 times then EPAS full loss of assist.
EPASTS_a186_wdhCommBufferOverflow	This alert is reported by the WatchdogHandler_A8140x (WDH) component in case SBC Communication buffer overflow checker. Against systematic SW failures on WatchdogHandler component.	SBC Communication buffer is overflow (RTE buffer (message queue) overflow in the WatchdogHandler_A8140x component).	EPAS reset. If reset more than 5 times then EPAS full loss of assist.
EPASTS_a185_sbcscpQAWatchdogReset	This alert is reported by the SBCStartupCauseProvider_A8140x (SBCSCP) component if external question-answer watchdog (Q&A) fails. MCU SM requires it, against systematic SW faults, and random HW faults of the time base.	if external question-answer watchdog (Q&A) fails (status_0.WD_Fn_S is cleared).	EPAS reset. If reset more than 5 times then EPAS full loss of assist.
EPASTS_a184_sbcmCommBufferOverflow	This alert is reported in case SBC Communication buffer overflow checker. Against systematic SW failures on SystemBasisChipManager component.	SBC Communication buffer overflows (RTE buffer (message queue) overflow in the SystemBasisChipManager_A8140x component).	EPAS reset. If reset more than 5 times then EPAS full loss of assist.
EPASTS_a183_sbchCommErrSbcToMcu	This alert is reported by the SystemBasisChipHAL_A8140x (SBCH) component SBC if the communication check (SBC -> MCU) fails. Against random HW failures of the MCU and communication line including EMC.	EPAS SBC diagnostics detected SPI failures. Communication check (SBC -> MCU) fails (Wrong ID or CRC failure).	EPAS reset. If reset more than 5 times then EPAS full loss of assist.
EPASTS_a182_mcdInputMia	This alert is reported by the MotorControlDiagnostics_R12 (MCD) component if MTCControlSignal age reached the diagnostic limit.	EPAS motor control diagnostics detected requested motor torque timeout (signal age reached the diagnostic limit).	EPAS reset. If reset more than 5 times then EPAS full loss of assist.
EPASTS_a181_dmDeadlineViolationC1	This alert is reported by the DeadlineMonitor (DM) if the elapsed time between two 250us task starts is out of the tolerated range on Core 1 then Safety Reset is initiated.	EPAS application operating system monitor detected out of tolerated range elapsed time between two 250us task starts on Core 1.	EPAS reset.
EPASTS_a180_dmDeadlineViolationC1	This alert is reported by the Deadline Monitor (DM) when at least one of the monitored tasks didn't finish or finished multiple times during its configured time frame on Core 1.	EPAS application operating system monitor detected task timeout or task finished multiple times during its configured time frame on Core 1.	EPAS reset.
EPASTS_a179_tedMotorcoilTempChecker	This alert is reported when there is a motor overtemperature. Degradation parameters/estimator shall be checked, if those are correct, HW failure.	EPAS application diagnostics detected overtemperature (motor actuator).	EPAS full loss of assist.
EPASTS_a178_exchWdtException	This alert is reported by the ExceptionHandler_TC3x (EXCH) component when there is a watchdog timeout exception.	EPAS application component ExceptionHandler detected exception (watchdog).	EPAS reset.
EPASTS_a177_etsrInvalidated	This alert is reported when the ElapsedTimeSinceReset (ETSR) counter becomes greater than the ETSR_THRESHOLD_TIMESTAMP and counter forced to 0xFFFFFFFF.	EPAS elapsed time since reset (ETSR) counter becomes greater than the tolarated limit and counter forced to 0xFFFFFFFF.	EPAS QM reset when is less likely to disturb the driver. If it is not possible, there will be incoming communication freeze and a reset.

EPASTS_a197_difpDifactorInvalid

This alert is reported by the DIFactorProvider_Generic (DIFP) component in case of DI factor Calibration data failure.

DI factor Calibration data failure.

No impact

EPASTS_a196_topEolTasOffsetInvalid

This alert is reported by the TASOffsetProvider_Generic (TOP) component in case of tas offset calibration data failure.

Tas offset calibration data failure.

No impact

EPASTS_a195_imcmCommErrC1

This alert is reported by the IMCM_C1 (IMCM) component in case Inter-MCU comm failure or the other side is not communicating (UV or other failure).

Inter-MCU comm failure or the other side is not communicating. The signal is unavailable because checksum error, or the signal is unavailable because Alive counter error, or Timeout (no frame arrived), or Frame size is out of range.

EPAS A and B sides are not able to communicate. Steering assist reduced or might be unavailable.

EPASTS_a194_amNvdataLoss

This alert is reported when the Actuator Manager (AM) NvM Health status may be corrupted.

If the FET short diagnostic's previous test execution status s not readable from the NvM.

No impact

EPASTS_a193_osumC0StackNearFull

This alert is reported by the OnlineStackUsageMonitor_R12 (OSUM) component when stack usage on core 0 is almost full.

EPAS memory usage monitor detected high consumption warning (context switch area on Core0).

No impact

EPASTS_a192_osumC0CsaNearFull

This alert is reported by the OnlineStackUsageMonitor_R12 (OSUM) componen twhen context switch area usage on core 0 is almost full.

EPAS memory usage monitor detected high consumption warning (context switch area on Core0).

No impact

EPASTS_a191_sbcscpVcp2VucVoltFail

This alert is reported by the SBCStartupCauseProvider_A8140x (SBCSCP) component in case of MCU I/O power supply (VDD_IO) monitor by SBC and under/over voltage on the second charge pump. Against power supply faults of the main microcontroller.

Under or over voltage on 5V MCU and VCP2 supplies.

EPAS full loss of assist.

EPASTS_a190_sbchCommBufferOverflow

This alert is reported in case SBC Communication buffer overflow checker. Against systematic SW failures on SystemBasisChipHAL component.

SBC Communication buffer overflows (Sending data is bigger than buffer limit (DMA_BUFFER_LENGTH) or Previously triggered message transfer is not finished: DmaChannelStatus is not DMA_TRANSFER_STATUS_SUCCESS or RTE buffer (message queue) overflow in the SystemBasisChipHAL_A8140x component).