MyTeslaMate App

Signal Name	Description	Condition	Impact
EPASTS_a142_tedEmifilterDmcTempChecker	This alert is reported if (DC Link capacitor temperature higher than limit or not available) for at least debounce limit long time. The alert is cleared, if the temperature is below the overtemp threshold, and its qualifier is RELIABLE for long enough.	EPAS application diagnostics detected overtemperature (DMC EMI filter).	EPAS full loss of assist.
EPASTS_a141_amFetShortTest	This alert is reported when Bridge FET short may be present.	EPAS application diagnostics detected bridge fet short.	EPAS full loss of assist.
EPASTS_a140_imcmConfigurationErr	This alert is reported in case of an Inter-MCU configuration mismatch between two ECU side.	EPAS detected configuration mismatch between two ECU side.	EPAS full loss of assist.
EPASTS_a139_osehAdditionalOsErr	This alert is reported when at startup, before reporting the previous error with the reset reaction, ErrorHook was called again because of an error in a partition which is configured to handle such errors with immediate safety reset. This error ID will show the last problem which caused the invocation of the ErrorHook with reset as the partition reaction.	ErrorHook was called again because of an error in a partition which is configured to handle such errors with immediate safety reset.	EPAS reset.
EPASTS_a138_osehAdditionalErrWithoutImmReset	This alert is reported by the OsErrorHandler_R12(OSEH) component when before reporting the previous error, ErrorHook was called again because of an error in a partition which is configured to handle such errors without requesting immediate safety reset.	If any OS service returns a StatusType value other value than E_OK. Reported if while processing OS error occurred in QM partition one more OS error is detected.	EPAS reset.
EPASTS_a162_tdaBridgefetjunctionTempChecker	This alert is reported by the TemperatureDiagnostics_Actuator_R12 (TDA) component is reported when there is a bridge FET overtemperature. Degradation parameters/estimator shall be checked, if those are correct, HW failure.	EPAS application actuator temperature diagnostics detected overtemperature (bridge FET).	EPAS full loss of assist.
EPASTS_a137_osehErrWithoutImmediateReset	This alert is reported by the OsErrorHandler_R12(OSEH) component when ErrorHook was called because of an error in a partition which is configured to handle such errors without requesting immediate safety reset.	If any OS service returns a StatusType value other value than E_OK. Reported if OS error occurred in QM partition. It's a reversible error that is reported upon detection of OS error and immediately cleared to catch and indicate further errors	EPAS reset.
EPASTS_a136_ftElectricalAngleQf	This alert is reported by the FrequencyTransformer_R12 (FT) component when the electrical angle QoS is Substitute Value or Error and RotorPositionAge tolerance time elapsed. This diagnostic compares the 2 local RPSs, and compares the local RPSs and the remote one. If no RPS is available or it is not decidable which RPS is usable, it signals this.	Electrical angle QoS is Substitute Value or Error and RotorPositionAge tolarence time elapsed.	Unreliable absolute steering position provision qualifier. Virtual End Lock deactivation.
EPASTS_a135_tmpsfetjCalculationOverflowErr	This alert is reported by the TemperatureModelPSFETJunction (TMPSFETJ) components when checking overflow of possible values of estimated temperatures. Possible values are calculated according to defined data constraints.	Overflow of possible values of estimated temperatures.	EPAS uses not reliable estimations for temperature.
EPASTS_a134_osehGuardedResetAfterErrWithoutReset	This alert is reported by the OsErrorHandler_R12(OSEH) component when ErrorHook was called because of an error in a partition which is configured to handle such errors with requesting a guarded reset. This error is reported after the guarded reset.	If any OS service returns a StatusType value other value than E_OK. The error is reported after a guarded reset caused by OS error.	EPAS reset.
EPASTS_a133_mcusscLbistEcuIdIsNotSupported	This alert is reported by MCUSafetyStartupChecks_TC3x (MCUSSC) component when wrong ECU_ID in FLASH.	EPAS End Of Line ECU ID is incorrect.	EPAS full loss of assist.
EPASTS_a132_mcusscNotSupportedMcu	This alert is reported by MCUSafetyStartupChecks_TC3x (MCUSSC) component when the current MCU ID is not supported.	EPAS End Of Line MCU ID is not supported.	EPAS full loss of assist.
EPASTS_a131_exchGuardedResetAfterPartitionStop	This alert is reported by the ExceptionHandler_TC3x (EXCH) component when no-reset exception occurred before the previous similar exception was reported and guarded reset was requested.	EPAS application component ExceptionHandler detected exception ( QM partition) which causes a guarded reset.	EPAS still can provide assist. MCU reset on the exception side.
EPASTS_a130_mrccConfigCsErrorErr	This alert is reported when there is a CRC failure in the periodic register CRC checking. MCU internal error OR SW systematic failure.	EPAS MCU periodic register checking failure (CRC doesn't match the expected).	EPAS reset. If reset more than 6 then EPAS fallback to bootloader.
EPASTS_a129_exchAdditionalExceptionStopRestart	This alert is reported by the ExceptionHandler_TC3x (EXCH) component when no-reset exception occured before the previous similar exception was reported.	EPAS application component ExceptionHandler detected additional exceptions at stop/restart of partition.	EPAS still can provide assist. MCU reset on the exception side.
EPASTS_a128_exchExceptionStopRestart	This alert is reported by the ExceptionHandler_TC3x (EXCH) component when exception with reaction other than reset.	EPAS application component ExceptionHandler detected exception (QM partition) at stop/restart of partition.	EPAS still can provide assist. MCU reset on the exception side.
EPASTS_a127_exchAdditionalExceptionAfterRst	This alert is reported by the ExceptionHandler_TC3x (EXCH) component when exception with reset before the previous similar error was reported. The alert is reported after reset if several exceptions in ASIL D partition were caught before reset.	EPAS application component ExceptionHandler detected additional exceptions in ASIL D partition after a reset.	EPAS reset
EPASTS_a126_mcusscMonbistMiaErr	This alert is reported by MCUSafetyStartupChecks_TC3x (MCUSSC) component when the Secondary Monitor and Standby SMU Built in Self Test failure, MCU failure.	EPAS secondary monitor and standby SMU BIST timeout	EPAS full loss of assist
EPASTS_a125_mcusscMbistMiaErr	This alert is reported by MCUSafetyStartupChecks_TC3x (MCUSSC) component when the memory Built-In-SelfTest failed, MCU failure.	EPAS memory BIST timeout.	EPAS reset. If reset more than 6 then EPAS fallback to bootloader.
EPASTS_a124_mcusscMbistEccTransientErr	This alert is reported by MCUSafetyStartupChecks_TC3x (MCUSSC) component when the memory Built-In-SelfTest failed, MCU failure.	EPAS memory BIST transient error detected.	EPAS reset. If reset more than 6 then EPAS fallback to bootloader.

EPASTS_a142_tedEmifilterDmcTempChecker

This alert is reported if (DC Link capacitor temperature higher than limit or not available) for at least debounce limit long time. The alert is cleared, if the temperature is below the overtemp threshold, and its qualifier is RELIABLE for long enough.

EPAS application diagnostics detected overtemperature (DMC EMI filter).

EPAS full loss of assist.

EPASTS_a141_amFetShortTest

This alert is reported when Bridge FET short may be present.

EPAS application diagnostics detected bridge fet short.

EPAS full loss of assist.

EPASTS_a140_imcmConfigurationErr

This alert is reported in case of an Inter-MCU configuration mismatch between two ECU side.

EPAS detected configuration mismatch between two ECU side.

EPAS full loss of assist.

EPASTS_a139_osehAdditionalOsErr

This alert is reported when at startup, before reporting the previous error with the reset reaction, ErrorHook was called again because of an error in a partition which is configured to handle such errors with immediate safety reset. This error ID will show the last problem which caused the invocation of the ErrorHook with reset as the partition reaction.

ErrorHook was called again because of an error in a partition which is configured to handle such errors with immediate safety reset.

EPAS reset.

EPASTS_a138_osehAdditionalErrWithoutImmReset

This alert is reported by the OsErrorHandler_R12(OSEH) component when before reporting the previous error, ErrorHook was called again because of an error in a partition which is configured to handle such errors without requesting immediate safety reset.

If any OS service returns a StatusType value other value than E_OK. Reported if while processing OS error occurred in QM partition one more OS error is detected.

EPAS reset.

EPASTS_a162_tdaBridgefetjunctionTempChecker

This alert is reported by the TemperatureDiagnostics_Actuator_R12 (TDA) component is reported when there is a bridge FET overtemperature. Degradation parameters/estimator shall be checked, if those are correct, HW failure.

EPAS application actuator temperature diagnostics detected overtemperature (bridge FET).

EPAS full loss of assist.

EPASTS_a137_osehErrWithoutImmediateReset

This alert is reported by the OsErrorHandler_R12(OSEH) component when ErrorHook was called because of an error in a partition which is configured to handle such errors without requesting immediate safety reset.

If any OS service returns a StatusType value other value than E_OK. Reported if OS error occurred in QM partition. It's a reversible error that is reported upon detection of OS error and immediately cleared to catch and indicate further errors

EPAS reset.

EPASTS_a136_ftElectricalAngleQf

This alert is reported by the FrequencyTransformer_R12 (FT) component when the electrical angle QoS is Substitute Value or Error and RotorPositionAge tolerance time elapsed. This diagnostic compares the 2 local RPSs, and compares the local RPSs and the remote one. If no RPS is available or it is not decidable which RPS is usable, it signals this.

Electrical angle QoS is Substitute Value or Error and RotorPositionAge tolarence time elapsed.

Unreliable absolute steering position provision qualifier. Virtual End Lock deactivation.

EPASTS_a135_tmpsfetjCalculationOverflowErr

This alert is reported by the TemperatureModelPSFETJunction (TMPSFETJ) components when checking overflow of possible values of estimated temperatures. Possible values are calculated according to defined data constraints.

Overflow of possible values of estimated temperatures.

EPAS uses not reliable estimations for temperature.

EPASTS_a134_osehGuardedResetAfterErrWithoutReset

This alert is reported by the OsErrorHandler_R12(OSEH) component when ErrorHook was called because of an error in a partition which is configured to handle such errors with requesting a guarded reset. This error is reported after the guarded reset.

If any OS service returns a StatusType value other value than E_OK. The error is reported after a guarded reset caused by OS error.

EPAS reset.

EPASTS_a133_mcusscLbistEcuIdIsNotSupported

This alert is reported by MCUSafetyStartupChecks_TC3x (MCUSSC) component when wrong ECU_ID in FLASH.

EPAS End Of Line ECU ID is incorrect.

EPAS full loss of assist.

EPASTS_a132_mcusscNotSupportedMcu

This alert is reported by MCUSafetyStartupChecks_TC3x (MCUSSC) component when the current MCU ID is not supported.

EPAS End Of Line MCU ID is not supported.

EPAS full loss of assist.

EPASTS_a131_exchGuardedResetAfterPartitionStop

This alert is reported by the ExceptionHandler_TC3x (EXCH) component when no-reset exception occurred before the previous similar exception was reported and guarded reset was requested.

EPAS application component ExceptionHandler detected exception ( QM partition) which causes a guarded reset.

EPAS still can provide assist. MCU reset on the exception side.

EPASTS_a130_mrccConfigCsErrorErr

This alert is reported when there is a CRC failure in the periodic register CRC checking. MCU internal error OR SW systematic failure.

EPAS MCU periodic register checking failure (CRC doesn't match the expected).

EPAS reset. If reset more than 6 then EPAS fallback to bootloader.

EPASTS_a129_exchAdditionalExceptionStopRestart

This alert is reported by the ExceptionHandler_TC3x (EXCH) component when no-reset exception occured before the previous similar exception was reported.

EPAS application component ExceptionHandler detected additional exceptions at stop/restart of partition.

EPAS still can provide assist. MCU reset on the exception side.

EPASTS_a128_exchExceptionStopRestart

This alert is reported by the ExceptionHandler_TC3x (EXCH) component when exception with reaction other than reset.

EPAS application component ExceptionHandler detected exception (QM partition) at stop/restart of partition.

EPAS still can provide assist. MCU reset on the exception side.

EPASTS_a127_exchAdditionalExceptionAfterRst

This alert is reported by the ExceptionHandler_TC3x (EXCH) component when exception with reset before the previous similar error was reported. The alert is reported after reset if several exceptions in ASIL D partition were caught before reset.

EPAS application component ExceptionHandler detected additional exceptions in ASIL D partition after a reset.

EPAS reset

EPASTS_a126_mcusscMonbistMiaErr

This alert is reported by MCUSafetyStartupChecks_TC3x (MCUSSC) component when the Secondary Monitor and Standby SMU Built in Self Test failure, MCU failure.

EPAS secondary monitor and standby SMU BIST timeout

EPAS full loss of assist

EPASTS_a125_mcusscMbistMiaErr

This alert is reported by MCUSafetyStartupChecks_TC3x (MCUSSC) component when the memory Built-In-SelfTest failed, MCU failure.

EPAS memory BIST timeout.

EPAS reset. If reset more than 6 then EPAS fallback to bootloader.

EPASTS_a124_mcusscMbistEccTransientErr

This alert is reported by MCUSafetyStartupChecks_TC3x (MCUSSC) component when the memory Built-In-SelfTest failed, MCU failure.

EPAS memory BIST transient error detected.

EPAS reset. If reset more than 6 then EPAS fallback to bootloader.

Alerts

Alerts