MyTeslaMate App

Signal Name	Description	Condition	Impact
EPASTP_a098_invErr	This alert is reported by the InverterDiagnostics_R12 (INV) component if the reconstructed Alpha or Beta vectors are different from the actual Alpha or Beta vectors. This diagnostic compares the input and output of the inverter component. The SwitchOnOffTimes output of the inverter is transformed back into alfa, beta vectors, and checked against the input.	Reconstructed Alpha or Beta vectors are different from the actual Alpha or Beta vectors. EPAS application diagnostics of inverter device detected failure (in/out-feedback comparison).	EPAS reset. If reset more than 5 times then EPAS full loss of assist.
EPASTP_a097_rppRpsMultipleStaticFail	This alert is reported by the RotorPositionProvider_R12 (RPP) component when there are 2+ RPS sensor failure.	EPAS application diagnostics of rotor position sensor detected failure (multiple sensors).	EPAS full loss of assist.
EPASTP_a096_rppRpsSingleStaticFail	This alert is reported by the RotorPositionProvider_R12 (RPP) component when there is 1 RPS sensor failure.	EPAS application diagnostics of rotor position sensor detected failure (single sensor).	One rotor position sensor failed but EPAS still can operate normal.
EPASTP_a095_mdModelBasedMotorIntegrityCheck	This alert is reported by the MotorDiagnostics_R12 (MD) component if the difference between estimated and measured phase currents is greater than the limit or the QoS of the phase currents is QOS_CS_ERROR or the qualifier of the estimated phase currents is SEN_NOT_AVAILABLE for longer than the given debounce time.	EPAS model diagnostics detects integrity failure on the observed motor behavior to a theoretical motor model (phase cuts or short circuit of the phase relays failures).	EPAS full loss of assist.
EPASTP_a094_sctpTsuMultipleStaticFail	This alert is reported by the SteeringColumnTorqueProvider_R12 (SCTP) component when 2+ TSU sensor failure. QualityofService of the provided torque is other than NOMINAL_FAULT_TOLERANT and QOS_TRQ_NOMINAL for at least 400 ms.	EPAS application steering torque diagnostics detected failure (two or more TSU sensor failure).	EPAS full loss of assist.
EPASTP_a093_sctpTsuSingleStaticFail	This alert is reported by the SteeringColumnTorqueProvider_R12 (SCTP) component when 1 TSU sensor fails. Quality of service of the provided torque is other than NOMINAL_FAULT_TOLERANT for at least 400 ms.	EPAS application steering torque diagnostics detected failure (One TSU sensor).	One torque sensor failed but EPAS still can operate normal.
EPASTP_a091_bvpBattVoltCrossChkFailed	This alert is reported by the BatteryVoltageProvider_R12 (BVP) component when the voltage measurement comparison (battery vs bridge) failed.	EPAS battery voltage measurement and bridge voltage measurement comparison failed.	EPAS full loss of assist.
EPASTP_a090_etsmWarning	This alert is reported by the ETsRMonitor_R12 (ETSM) component when the ETsR (Elapsed time since reset) reaches its first limit (0xCDFE6000), reset requested but will be performed only at the moment when MCU doesn't providing assist.	EPAS elapsed time since reset reaches near to its overflow value.	EPAS reset
EPASTP_a089_tedRevercebattfetjunctionTempChecker	This alert is reported when there is a reverse FET overtemperature. Degradation parameters/estimator shall be checked, if those are correct, HW failure.	EPAS application diagnostics detected overtemperature (reverse FET).	EPAS full loss of assist.
EPASTP_a088_tedMainboardTempChecker	This alert is reported by the TemperatureDiagnostics_R12 component when there is a main board overtemperature. Degradation parameters/estimator shall be checked, if those are correct, HW failure.	EPAS application diagnostics detected overtemperature (main board).	EPAS full loss of assist.
EPASTP_a087_rsthFlashConfigErr	This alert is reported by the HwResetHandler_TC3x (RSTH) component if the flash memory configuration register error.	EPAS Flash memory configuration register error.	EPAS reset
EPASTP_a086_rsthRamUncorrEcc	This alert is reported by the HwResetHandler_TC3x (RSTH) component when the RAM ECC check failed. This diagnostic is the handling of the exception thrown by the RAM ECC modules, when it encountered a multibit RAM fault.	EPAS RAM ECC module detected multibit RAM fault.	EPAS reset
EPASTP_a085_amGduSwitchOffTestByMcu	This alert is reported by the ActuatorManager_R12 (AM) component when there is a GDU or GDU-MCU connection problem. This diagnostic checks if the microcontroller is able to switch off the GDU.	EPAS Gate Driver switch-off test by MCU fails. GDU is unable to switch off the GDU.	EPAS full loss of assist.
EPASTP_a081_exchFloatingPointException	This alert is reported by the ExceptionHandler_TC3x (EXCH) component when there is a floating point exception	EPAS application component ExceptionHandler detected floating point exception caused by uC peripheral FPU.	EPAS reset
EPASTP_a083_tdaDclinkcapacitorTempChecker	This alert is reported by the TemperatureDiagnostics_R12 component when there is a DC-link capacitor overtemperature. Degradation parameters/estimator shall be checked, if those are correct, HW failure.	EPAS application actuator temperature diagnostics detected overtemperature (capacitor).	EPAS full loss of assist.
EPASTP_a082_adcTriggerTimeChk	This alert is reported when there is a ADC failure, MCU failure.	EPAS uC peripheral ADC current measurement trigger failure at runtime.	EPAS reset. If reset more than 5 times then EPAS full loss of assist.
EPASTP_a080_pwmTimerSyncCheck	This alert is reported by the PWMDriverCD_TC3x component when the control cycle and tasking cycle synchronization mismatch.	EPAS application component PWM monitor detected failure (control cycle and tasking cycle synchronization mismatch).	EPAS reset. If reset more than 5 times then EPAS full loss of assist.
EPASTP_a079_gduhComErr	This alert is reported by the GDUDriverHAL_A4918 (GDUH) component when SPI buffer overflow, DMA status is not OK.	EPAS ECU GDU device monitor detected failure (serial communication buffer overflow).	EPAS reset
EPASTP_a077_dmDeadlineViolation	This alert is reported by the DeadlineMonitor_R12 (DM) component if the elapsed time between two runnable calls is out of the tolerated range, then Safety Reset is initiated.	EPAS application operating system monitor detected runnable timeout on Core0.	EPAS reset
EPASTP_a076_exchGeneralException	This alert is reported by the ExceptionHandler_TC3x (EXCH) component when there is an unknown exception.	EPAS application component ExceptionHandler detected unregistered uC exception by ASIL D partition.	EPAS reset

EPASTP_a098_invErr

This alert is reported by the InverterDiagnostics_R12 (INV) component if the reconstructed Alpha or Beta vectors are different from the actual Alpha or Beta vectors. This diagnostic compares the input and output of the inverter component. The SwitchOnOffTimes output of the inverter is transformed back into alfa, beta vectors, and checked against the input.

Reconstructed Alpha or Beta vectors are different from the actual Alpha or Beta vectors. EPAS application diagnostics of inverter device detected failure (in/out-feedback comparison).

EPAS reset. If reset more than 5 times then EPAS full loss of assist.

EPASTP_a097_rppRpsMultipleStaticFail

This alert is reported by the RotorPositionProvider_R12 (RPP) component when there are 2+ RPS sensor failure.

EPAS application diagnostics of rotor position sensor detected failure (multiple sensors).

EPAS full loss of assist.

EPASTP_a096_rppRpsSingleStaticFail

This alert is reported by the RotorPositionProvider_R12 (RPP) component when there is 1 RPS sensor failure.

EPAS application diagnostics of rotor position sensor detected failure (single sensor).

One rotor position sensor failed but EPAS still can operate normal.

EPASTP_a095_mdModelBasedMotorIntegrityCheck

This alert is reported by the MotorDiagnostics_R12 (MD) component if the difference between estimated and measured phase currents is greater than the limit or the QoS of the phase currents is QOS_CS_ERROR or the qualifier of the estimated phase currents is SEN_NOT_AVAILABLE for longer than the given debounce time.

EPAS model diagnostics detects integrity failure on the observed motor behavior to a theoretical motor model (phase cuts or short circuit of the phase relays failures).

EPAS full loss of assist.

EPASTP_a094_sctpTsuMultipleStaticFail

This alert is reported by the SteeringColumnTorqueProvider_R12 (SCTP) component when 2+ TSU sensor failure. QualityofService of the provided torque is other than NOMINAL_FAULT_TOLERANT and QOS_TRQ_NOMINAL for at least 400 ms.

EPAS application steering torque diagnostics detected failure (two or more TSU sensor failure).

EPAS full loss of assist.

EPASTP_a093_sctpTsuSingleStaticFail

This alert is reported by the SteeringColumnTorqueProvider_R12 (SCTP) component when 1 TSU sensor fails. Quality of service of the provided torque is other than NOMINAL_FAULT_TOLERANT for at least 400 ms.

EPAS application steering torque diagnostics detected failure (One TSU sensor).

One torque sensor failed but EPAS still can operate normal.

EPASTP_a091_bvpBattVoltCrossChkFailed

This alert is reported by the BatteryVoltageProvider_R12 (BVP) component when the voltage measurement comparison (battery vs bridge) failed.

EPAS battery voltage measurement and bridge voltage measurement comparison failed.

EPAS full loss of assist.

EPASTP_a090_etsmWarning

This alert is reported by the ETsRMonitor_R12 (ETSM) component when the ETsR (Elapsed time since reset) reaches its first limit (0xCDFE6000), reset requested but will be performed only at the moment when MCU doesn't providing assist.

EPAS elapsed time since reset reaches near to its overflow value.

EPAS reset

EPASTP_a089_tedRevercebattfetjunctionTempChecker

This alert is reported when there is a reverse FET overtemperature. Degradation parameters/estimator shall be checked, if those are correct, HW failure.

EPAS application diagnostics detected overtemperature (reverse FET).

EPAS full loss of assist.

EPASTP_a088_tedMainboardTempChecker

This alert is reported by the TemperatureDiagnostics_R12 component when there is a main board overtemperature. Degradation parameters/estimator shall be checked, if those are correct, HW failure.

EPAS application diagnostics detected overtemperature (main board).

EPAS full loss of assist.

EPASTP_a087_rsthFlashConfigErr

This alert is reported by the HwResetHandler_TC3x (RSTH) component if the flash memory configuration register error.

EPAS Flash memory configuration register error.

EPAS reset

EPASTP_a086_rsthRamUncorrEcc

This alert is reported by the HwResetHandler_TC3x (RSTH) component when the RAM ECC check failed. This diagnostic is the handling of the exception thrown by the RAM ECC modules, when it encountered a multibit RAM fault.

EPAS RAM ECC module detected multibit RAM fault.

EPAS reset

EPASTP_a085_amGduSwitchOffTestByMcu

This alert is reported by the ActuatorManager_R12 (AM) component when there is a GDU or GDU-MCU connection problem. This diagnostic checks if the microcontroller is able to switch off the GDU.

EPAS Gate Driver switch-off test by MCU fails. GDU is unable to switch off the GDU.

EPAS full loss of assist.

EPASTP_a081_exchFloatingPointException

This alert is reported by the ExceptionHandler_TC3x (EXCH) component when there is a floating point exception

EPAS application component ExceptionHandler detected floating point exception caused by uC peripheral FPU.

EPAS reset

EPASTP_a083_tdaDclinkcapacitorTempChecker

This alert is reported by the TemperatureDiagnostics_R12 component when there is a DC-link capacitor overtemperature. Degradation parameters/estimator shall be checked, if those are correct, HW failure.

EPAS application actuator temperature diagnostics detected overtemperature (capacitor).

EPAS full loss of assist.

EPASTP_a082_adcTriggerTimeChk

This alert is reported when there is a ADC failure, MCU failure.

EPAS uC peripheral ADC current measurement trigger failure at runtime.

EPAS reset. If reset more than 5 times then EPAS full loss of assist.

EPASTP_a080_pwmTimerSyncCheck

This alert is reported by the PWMDriverCD_TC3x component when the control cycle and tasking cycle synchronization mismatch.

EPAS application component PWM monitor detected failure (control cycle and tasking cycle synchronization mismatch).

EPAS reset. If reset more than 5 times then EPAS full loss of assist.

EPASTP_a079_gduhComErr

This alert is reported by the GDUDriverHAL_A4918 (GDUH) component when SPI buffer overflow, DMA status is not OK.

EPAS ECU GDU device monitor detected failure (serial communication buffer overflow).

EPAS reset

EPASTP_a077_dmDeadlineViolation

This alert is reported by the DeadlineMonitor_R12 (DM) component if the elapsed time between two runnable calls is out of the tolerated range, then Safety Reset is initiated.

EPAS application operating system monitor detected runnable timeout on Core0.

EPAS reset

EPASTP_a076_exchGeneralException

This alert is reported by the ExceptionHandler_TC3x (EXCH) component when there is an unknown exception.

EPAS application component ExceptionHandler detected unregistered uC exception by ASIL D partition.

EPAS reset

Alerts

Alerts