MyTeslaMate App

Signal Name	Description	Condition	Impact
SEPS_a001_WatchdogReset	Warns if the processor has experienced a reset due to watchdog reset.	A watchdog (external or internal) was not serviced in time.	Controller is MIA for some time.
SEPSM_a275_ECUMiaOnInternalBus	The local Electronic Control Unit (ECU) has not received one or more expected Controller Area Network (CAN) messages from the internal steering bus.	The local Electronic Control Unit (ECU) did not receive a message it was expecting from the ECUs on the specified internal steering bus within the expected timeout.	Power Steering functionality may be degraded.
SEPSM_a260_monitorTripDetected	A monitor trip has been detected, system will degrade.	Any of the monitors on the given ECU has detected an issue	Steering system performance degraded, vehicle speed limited
SEPSM_a209_startupSequenceFailed	Power steering startup sequence is unsuccessful.	Monitor calibration check is unsuccessful, corresponding controller is not responding, or state timeout occurs.	The motor is disqualified and system health is degraded.
SEPSM_a208_startupSequenceFailed2	Power steering startup sequence is unsuccessful.	Monitor calibration check is unsuccessful, corresponding controller is not responding, or state timeout occurs.	The motor is disqualified and system health is degraded.
SEPSM_a163_calibrationFault	The steering monitor detected an error affecting its calibration.	One or more modules not calibrated or calibration values do not match controller values	Loss of steering redundancy
SEPSM_a159_preloadTorqueError	The monitor detected an error in the torque production of its paired controller.	The force produced on the rack is greater than the max allowed rack force during preload.	Loss of steering redundancy.
SEPSM_a154_rackPositionInputInvalid	One of the required inputs for solving steering rack position is missing or invalid.	Missing or invalid controller rack position or input angle.	Rack control may be degraded.
SEPSM_a138_rackCalibrationMismatch	The rack calibration data does not match across controller and monitor.	Controller and monitor rack calibration data not matching	Steering control from this node is disabled
SEPSM_a137_rackUncalibrated	The Electronic Power Steering (EPS) monitor is missing calibration data for the steering rack.	Uncalibrated front steering rack detected	Steering control from this node is disabled
SEPSM_a136_motorCalibrationMismatch	The motor calibration data does not match across controller and monitor.	Controller and monitor handwheel calibration data not matching	Torque from motor is unavailable
SEPSM_a135_motorUncalibrated	The monitor is missing calibration data for the motor.	The monitor detects motor calibration is incomplete	Torque from motor is unavailable
SEPSM_a128_VCREAR_MIA	One or more of the messages the vehicle controller receives periodically from the rear vehicle controller (VCREAR) is not received, indicating the VCREAR may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the VCREAR within the expected time frame.	Vehicle functions that depend on the VCREAR may be unavailable or may not function as expected.
SEPSM_a127_EGGREAR1_MIA	One or more of the expected CAN messages from the Etherloop Generalized Gateway Rear (Core 1) were not received, indicating the EGGREAR1 ECU may be unavailable (MIA).	The local ECU does not receive one or more of the expected messages from the EGGREAR1 within the expected time frame.	Vehicle functions that depend on the EGGREAR1 may be unavailable or may not function as expected.
SEPSM_a125_EGGRIGHT1_MIA	One or more of the expected CAN messages from the Etherloop Generalized Gateway Right (Core 1) were not received, indicating the EGGRIGHT1 ECU may be unavailable (MIA).	The local ECU does not receive one or more of the expected messages from the EGGRIGHT1 within the expected time frame.	Vehicle functions that depend on the EGGRIGHT1 may be unavailable or may not function as expected.
SEPSM_a124_VCLEFT2_MIA	One or more of the messages the vehicle controller receives periodically from the left vehicle controller (VCLEFT2) is not received, indicating the VCLEFT1 may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the VCLEFT2 within the expected time frame.	Vehicle functions that depend on the VCLEFT2 may be unavailable or may not function as expected.
SEPSM_a120_DI_DRIVE_MIA	One or more of the messages the vehicle controller receives periodically from the drive interface (DI) electronic control unit (ECU) is not received while the vehicle is in Drive, indicating the DI ECU may be unavailable (MIA).	One or more of the expected messages from the DI ECU is not received while the vehicle is in Drive.	Vehicle speed and power may be limited.
SEPSM_a119_SCCM_MIA	One or more of the messages the vehicle controller receives periodically from the Steering Column Control Module (SCCM) is not received, indicating the SCCM may be unavailable (MIA).	One or more of the expected messages from the SCCM is not received.	Vehicle may be unable to shift between drive modes.
SEPSM_a118_VCLEFT1_MIA	One or more of the messages the vehicle controller receives periodically from the left vehicle controller (VCLEFT1) is not received, indicating the VCLEFT1 may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the VCLEFT1 within the expected time frame.	Vehicle functions that depend on the VCLEFT1 may be unavailable or may not function as expected.
SEPSM_a117_VCRIGHT_MIA	One or more of the messages the vehicle controller receives periodically from the right vehicle controller (VCRIGHT) is not received, indicating the VCRIGHT may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the VCRIGHT within the expected time frame.	Vehicle functions that depend on the VCRIGHT may be unavailable or may not function as expected.

SEPS_a001_WatchdogReset

Warns if the processor has experienced a reset due to watchdog reset.

A watchdog (external or internal) was not serviced in time.

Controller is MIA for some time.

SEPSM_a275_ECUMiaOnInternalBus

The local Electronic Control Unit (ECU) has not received one or more expected Controller Area Network (CAN) messages from the internal steering bus.

The local Electronic Control Unit (ECU) did not receive a message it was expecting from the ECUs on the specified internal steering bus within the expected timeout.

Power Steering functionality may be degraded.

SEPSM_a260_monitorTripDetected

A monitor trip has been detected, system will degrade.

Any of the monitors on the given ECU has detected an issue

Steering system performance degraded, vehicle speed limited

SEPSM_a209_startupSequenceFailed

Power steering startup sequence is unsuccessful.

Monitor calibration check is unsuccessful, corresponding controller is not responding, or state timeout occurs.

The motor is disqualified and system health is degraded.

SEPSM_a208_startupSequenceFailed2

Power steering startup sequence is unsuccessful.

Monitor calibration check is unsuccessful, corresponding controller is not responding, or state timeout occurs.

The motor is disqualified and system health is degraded.

SEPSM_a163_calibrationFault

The steering monitor detected an error affecting its calibration.

One or more modules not calibrated or calibration values do not match controller values

Loss of steering redundancy

SEPSM_a159_preloadTorqueError

The monitor detected an error in the torque production of its paired controller.

The force produced on the rack is greater than the max allowed rack force during preload.

Loss of steering redundancy.

SEPSM_a154_rackPositionInputInvalid

One of the required inputs for solving steering rack position is missing or invalid.

Missing or invalid controller rack position or input angle.

Rack control may be degraded.

SEPSM_a138_rackCalibrationMismatch

The rack calibration data does not match across controller and monitor.

Controller and monitor rack calibration data not matching

Steering control from this node is disabled

SEPSM_a137_rackUncalibrated

The Electronic Power Steering (EPS) monitor is missing calibration data for the steering rack.

Uncalibrated front steering rack detected

Steering control from this node is disabled

SEPSM_a136_motorCalibrationMismatch

The motor calibration data does not match across controller and monitor.

Controller and monitor handwheel calibration data not matching

Torque from motor is unavailable

SEPSM_a135_motorUncalibrated

The monitor is missing calibration data for the motor.

The monitor detects motor calibration is incomplete

Torque from motor is unavailable

SEPSM_a128_VCREAR_MIA

One or more of the messages the vehicle controller receives periodically from the rear vehicle controller (VCREAR) is not received, indicating the VCREAR may be unavailable (MIA).

The vehicle controller does not receive one or more of the expected messages from the VCREAR within the expected time frame.

Vehicle functions that depend on the VCREAR may be unavailable or may not function as expected.

SEPSM_a127_EGGREAR1_MIA

One or more of the expected CAN messages from the Etherloop Generalized Gateway Rear (Core 1) were not received, indicating the EGGREAR1 ECU may be unavailable (MIA).

The local ECU does not receive one or more of the expected messages from the EGGREAR1 within the expected time frame.

Vehicle functions that depend on the EGGREAR1 may be unavailable or may not function as expected.

SEPSM_a125_EGGRIGHT1_MIA

One or more of the expected CAN messages from the Etherloop Generalized Gateway Right (Core 1) were not received, indicating the EGGRIGHT1 ECU may be unavailable (MIA).

The local ECU does not receive one or more of the expected messages from the EGGRIGHT1 within the expected time frame.

Vehicle functions that depend on the EGGRIGHT1 may be unavailable or may not function as expected.

SEPSM_a124_VCLEFT2_MIA

One or more of the messages the vehicle controller receives periodically from the left vehicle controller (VCLEFT2) is not received, indicating the VCLEFT1 may be unavailable (MIA).

The vehicle controller does not receive one or more of the expected messages from the VCLEFT2 within the expected time frame.

Vehicle functions that depend on the VCLEFT2 may be unavailable or may not function as expected.

SEPSM_a120_DI_DRIVE_MIA

One or more of the messages the vehicle controller receives periodically from the drive interface (DI) electronic control unit (ECU) is not received while the vehicle is in Drive, indicating the DI ECU may be unavailable (MIA).

One or more of the expected messages from the DI ECU is not received while the vehicle is in Drive.

Vehicle speed and power may be limited.

SEPSM_a119_SCCM_MIA

One or more of the messages the vehicle controller receives periodically from the Steering Column Control Module (SCCM) is not received, indicating the SCCM may be unavailable (MIA).

One or more of the expected messages from the SCCM is not received.

Vehicle may be unable to shift between drive modes.

SEPSM_a118_VCLEFT1_MIA

One or more of the messages the vehicle controller receives periodically from the left vehicle controller (VCLEFT1) is not received, indicating the VCLEFT1 may be unavailable (MIA).

The vehicle controller does not receive one or more of the expected messages from the VCLEFT1 within the expected time frame.

Vehicle functions that depend on the VCLEFT1 may be unavailable or may not function as expected.

SEPSM_a117_VCRIGHT_MIA

One or more of the messages the vehicle controller receives periodically from the right vehicle controller (VCRIGHT) is not received, indicating the VCRIGHT may be unavailable (MIA).

The vehicle controller does not receive one or more of the expected messages from the VCRIGHT within the expected time frame.

Vehicle functions that depend on the VCRIGHT may be unavailable or may not function as expected.

Alerts

Alerts