MyTeslaMate App

Signal Name	Description	Condition	Impact
PSFA_a199_factoryFuseMotorMissing	The motor factory calibration record is missing or invalid.	Motor factory calibration record missing or invalid	Motor factory calibration may be missing, preventing operation
PSFA_a198_sccmOffsetNotCalibrated	The Steering Column Control Module (SCCM) steering angle has not been calibrated.	Uncalibrated SCCM steering angle detected	Steering performance may be degraded
PSFA_a196_handwheelDegraded	The median check fault counter has started to count up.	The median check fault counter has started to count up	Loss of redundancy in steering feedback
PSFA_a192_handwheelNotCalibrated	The handwheel has not been calibrated.	Uncalibrated handwheel detected	Steering control from this node is disabled
PSFA_a191_handwheelMedianCheckFailed	Handwheel rotation delta comparison with other sources failed.	One or more angle sources is not within the velocity dependent allowed error bounds	Loss of steering feedback
PSFA_a173_thermalDerating	Steering system may be reducing power and functionality to prevent overheating, due to higher than nominal system temperature detected.	When part of steering system is detected to be close to its overheating limit	Torque output may be reduced, and steering system may have reduced performance
PSFA_a161_largeCurrentOffset	A phase current offset of a steering controller is greater than the expected variance. Steering may not operate as expected.	A phase current offset greater than the expected variance is detected.	Steering may not operate as expected. Controller may be damaged.
PSFA_a139_motorPositionSensorInvalid	One or more steering motor position sensor readings are invalid.	Any motor position sensor is deemed invalid, or readings from valid sensors disagree by more than allowed threshold.	Invalid sensor readings could affect systems reliant on position data.
PSFA_a138_currentCalibrationFailed	Steering current calibration is unsuccessful.	Motor phase or bus current calibration offset is out of the nominal range.	The motor is disqualified and system health is degraded.
PSFA_a130_gatedriverFault	The gate driver reported an electrical condition preventing operation.	The gate driver is reporting an electrical condition affecting its functionality.	The motor is disqualified and system health is degraded.
PSFA_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.
PSFA_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.
PSFA_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.
PSFA_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.
PSFA_a123_motorUnitFaulted	A condition has been detected which prevents steering motor operation. Alert log signal data should provide more information on specific condition(s) involved.	Motor control inputs exceed acceptable bounds.	The motor is disqualified and system health is degraded.
PSFA_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.
PSFA_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.
PSFA_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.
PSFA_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.
PSFA_a116_VCLEFT_MIA	One or more of the messages the vehicle controller receives periodically from the left vehicle controller (VCLEFT) is not received, indicating the VCLEFT may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the VCLEFT within the expected time frame.	Vehicle functions that depend on the VCLEFT may be unavailable or may not function as expected.

PSFA_a199_factoryFuseMotorMissing

The motor factory calibration record is missing or invalid.

Motor factory calibration record missing or invalid

Motor factory calibration may be missing, preventing operation

PSFA_a198_sccmOffsetNotCalibrated

The Steering Column Control Module (SCCM) steering angle has not been calibrated.

Uncalibrated SCCM steering angle detected

Steering performance may be degraded

PSFA_a196_handwheelDegraded

The median check fault counter has started to count up.

The median check fault counter has started to count up

Loss of redundancy in steering feedback

PSFA_a192_handwheelNotCalibrated

The handwheel has not been calibrated.

Uncalibrated handwheel detected

Steering control from this node is disabled

PSFA_a191_handwheelMedianCheckFailed

Handwheel rotation delta comparison with other sources failed.

One or more angle sources is not within the velocity dependent allowed error bounds

Loss of steering feedback

PSFA_a173_thermalDerating

Steering system may be reducing power and functionality to prevent overheating, due to higher than nominal system temperature detected.

When part of steering system is detected to be close to its overheating limit

Torque output may be reduced, and steering system may have reduced performance

PSFA_a161_largeCurrentOffset

A phase current offset of a steering controller is greater than the expected variance. Steering may not operate as expected.

A phase current offset greater than the expected variance is detected.

Steering may not operate as expected. Controller may be damaged.

PSFA_a139_motorPositionSensorInvalid

One or more steering motor position sensor readings are invalid.

Any motor position sensor is deemed invalid, or readings from valid sensors disagree by more than allowed threshold.

Invalid sensor readings could affect systems reliant on position data.

PSFA_a138_currentCalibrationFailed

Steering current calibration is unsuccessful.

Motor phase or bus current calibration offset is out of the nominal range.

The motor is disqualified and system health is degraded.

PSFA_a130_gatedriverFault

The gate driver reported an electrical condition preventing operation.

The gate driver is reporting an electrical condition affecting its functionality.

The motor is disqualified and system health is degraded.

PSFA_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.

PSFA_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.

PSFA_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.

PSFA_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.

PSFA_a123_motorUnitFaulted

A condition has been detected which prevents steering motor operation. Alert log signal data should provide more information on specific condition(s) involved.

Motor control inputs exceed acceptable bounds.

The motor is disqualified and system health is degraded.

PSFA_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.

PSFA_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.

PSFA_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.

PSFA_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.

PSFA_a116_VCLEFT_MIA

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

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

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

Alerts

Alerts