MyTeslaMate App

Signal Name	Description	Condition	Impact	Important
EPASTP_a029_smuhSmuCoreCntErrorTestFail	This alert is reported by SMUHandler_TC3X (SMUH) component when SMU Core alive test is failed.	EPAS uC peripheral (SMU core) alive test failure at startup, before start of OS.	EPAS full loss of assist.	No
EPASTP_a101_sdrvSpcIdMismatch	This alert is reported by the SENTDriverCD_TC3x component when there is a TSU sensor failure or connection failure.	TSU sensor failure or connection failure. EPAS ECU TSU device monitor detected sensor failure.	Torque sensor failed but EPAS still can operate normal.	No
EPASTP_a028_smuhNonInitDataCorruption	This alert is reported by the SMUHandler_TC3X (SMUH) component when SMU Core Alive test data integrity check fails (comparison with the inverted value).	EPAS uC peripheral (SMU) alive test failure (data corruption, inverted value comparison) at startup.	EPAS full loss of assist.	No
EPASTP_a038_csohCh1CsErrorErrAtReset	This alert is reported when CRC check failed, value of per-instance memory is other than the pattern or the actual per-instance memory value not equal to the saved per-instance memory value.	EPAS uC internal memory (CSOH_CH1 management storage) failure (integrity) at startup.	EPAS full loss of assist.	No
EPASTP_a026_mrccCsErrorCheckFail	This alert is reported when CRC check failed, consistency of non-inited memory sections did not keep during the restart.	EPAS uC peripheral (SMU) alive test failure (CRC) at startup.	EPAS full loss of assist.	No
EPASTP_a025_btarcCorruptionCheck	This alert is reported by the BlackoutTimeAndResetCounter_R12 (BTARC) component when CRC check failed for its non-initialized.	EPAS uC internal memory (BTARC management storage) failure (CRC) for non-initialized data at startup.	EPAS full loss of assist.	No
EPASTP_a100_amVbrgLssFault	This alert is reported by the ActuatorManager_R12 (AM) component when there is a GDU failure. This diagnostic checks if low or high-side VDS references are disconnected.	Low or high-side VDS references are disconnected. EPAS ECU GDU device monitor detected failure (loss of VDS reference).	EPAS full loss of assist.	No
EPASTP_a099_mcdTorqueMismatchFault	This alert is reported by the MotorControlDiagnostics_R12 (MCD) component if the absolute reference torque is greater than the absolute requested torque plus diagnostic limit, or they have opposite signs and the difference is greater than the limit.	If the absolute reference torque is greater than the absolute requested torque plus diagnostic limit, or they have opposite signs and the difference is greater than the limit. EPAS application motor control diagnostics detected failure (itorque value comparison).	EPAS reset. If reset more than 5 times then EPAS full loss of assist.	No
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.	No
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.	No
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.	No
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.	No
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.	No
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.	No
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.	No
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	No
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.	No
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.	No
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	No
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	No

EPASTP_a029_smuhSmuCoreCntErrorTestFail

This alert is reported by SMUHandler_TC3X (SMUH) component when SMU Core alive test is failed.

EPAS uC peripheral (SMU core) alive test failure at startup, before start of OS.

EPAS full loss of assist.

No

EPASTP_a101_sdrvSpcIdMismatch

This alert is reported by the SENTDriverCD_TC3x component when there is a TSU sensor failure or connection failure.

TSU sensor failure or connection failure. EPAS ECU TSU device monitor detected sensor failure.

Torque sensor failed but EPAS still can operate normal.

No

EPASTP_a028_smuhNonInitDataCorruption

This alert is reported by the SMUHandler_TC3X (SMUH) component when SMU Core Alive test data integrity check fails (comparison with the inverted value).

EPAS uC peripheral (SMU) alive test failure (data corruption, inverted value comparison) at startup.

EPAS full loss of assist.

No

EPASTP_a038_csohCh1CsErrorErrAtReset

This alert is reported when CRC check failed, value of per-instance memory is other than the pattern or the actual per-instance memory value not equal to the saved per-instance memory value.

EPAS uC internal memory (CSOH_CH1 management storage) failure (integrity) at startup.

EPAS full loss of assist.

No

EPASTP_a026_mrccCsErrorCheckFail

This alert is reported when CRC check failed, consistency of non-inited memory sections did not keep during the restart.

EPAS uC peripheral (SMU) alive test failure (CRC) at startup.

EPAS full loss of assist.

No

EPASTP_a025_btarcCorruptionCheck

This alert is reported by the BlackoutTimeAndResetCounter_R12 (BTARC) component when CRC check failed for its non-initialized.

EPAS uC internal memory (BTARC management storage) failure (CRC) for non-initialized data at startup.

EPAS full loss of assist.

No

EPASTP_a100_amVbrgLssFault

This alert is reported by the ActuatorManager_R12 (AM) component when there is a GDU failure. This diagnostic checks if low or high-side VDS references are disconnected.

Low or high-side VDS references are disconnected. EPAS ECU GDU device monitor detected failure (loss of VDS reference).

EPAS full loss of assist.

No

EPASTP_a099_mcdTorqueMismatchFault

This alert is reported by the MotorControlDiagnostics_R12 (MCD) component if the absolute reference torque is greater than the absolute requested torque plus diagnostic limit, or they have opposite signs and the difference is greater than the limit.

If the absolute reference torque is greater than the absolute requested torque plus diagnostic limit, or they have opposite signs and the difference is greater than the limit. EPAS application motor control diagnostics detected failure (itorque value comparison).

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

No

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.

No

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.

No

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.

No

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.

No

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.

No

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.

No

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.

No

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

No

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.

No

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.

No

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

No

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

No

Alerts

Alerts