MyTeslaMate App

Signal Name	Description	Condition	Impact
SSFA_a260_steeringInternalFault	Steering system performance degraded due to condition detected affecting functionality.	Any condition detected affecting steering system functionality.	Steering system performance is degraded, and vehicle speed is limited.
SSFA_a252_steeringDegradedByVehicle	Steering system performance degraded due to condition detected affecting functionality.	Any condition detected affecting steering system functionality.	Steering system performance is degraded, and vehicle speed is limited.
SSFA_a251_lateralControlFailed	Steering system unable to follow commands due to one or more conditions affecting functionality.	Any condition affecting steering system functionality that will prevent operation / make the steering system unable to follow commands.	Vehicle is unable to drive or continue driving.
SSFA_a219_steeringDeratedByJumpPost	Steering power is reduced as the vehicle has entered Drive power state while being powered by the jump post.	The vehicle enters Drive state while being powered by the jump post.	Steering performance may be reduced until the vehicle exits then re-enters Drive state (vehicle power cycle occurs) with the jump post power source disconnected.
SSFA_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.
SSFA_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.
SSFA_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.
SSFA_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.
SSFA_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.
SSFA_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.
SSFA_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.
SSFA_a115_VCRIGHT1_MIA	One or more of the messages the vehicle controller receives periodically from the right vehicle controller (VCRIGHT1) is not received, indicating the VCRIGHT1 may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the VCRIGHT1 within the expected time frame.	Vehicle functions that depend on the VCRIGHT1 may be unavailable or may not function as expected.
SSFA_a114_ESP_MIA	One or more expected Controller Area Network (CAN) messages from the Electronic Stability Program (ESP) electronic control unit (ECU) was not received. Stability and traction control functions may be unavailable, or their performance may be affected.	An expected CAN message from the Electronic Stability Program (ESP) electronic control unit (ECU) has not been received within the expected timeout, or the message drop rate is too high while the ESP is CAN active.	Stability and traction control functions may be unavailable, or their performance may be affected.
SSFA_a112_EPBL_MIA	One or more of the messages the vehicle controller receives periodically from the left Electronic Park Brake (EPBL) electronic control unit (ECU) is not received, indicating the EPBL ECU may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the EPBL ECU within the expected time frame.	The parking brake may be unavailable or may not function as expected.
SSFA_a111_EPBR_MIA	One or more of the messages the vehicle controller receives periodically from the right Electronic Park Brake (EPBR) electronic control unit (ECU) is not received, indicating the EPBR ECU may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the EPBR ECU within the expected time frame.	The parking brake may be unavailable or may not function as expected.
SSFA_a110_GTW_MIA	One or more expected Controller Area Network (CAN) messages from the vehicle gateway (GTW) was not received. Vehicle functions that depend on CAN messages from the GTW may be unavailable, or their performance may be affected.	An expected CAN message from the vehicle gateway (GTW) has not been received within the expected timeout, or the message drop rate is too high while the GTW is CAN active.	Vehicle functions that depend on CAN messages from the vehicle gateway (GTW) may be unavailable, or their performance may be affected.
SSFA_a109_RCM_MIA	One or more of the messages the vehicle controller receives periodically from the Restraint Control Module (RCM) is not received, indicating the RCM may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the RCM within the expected time frame.	Vehicle functions that depend on the RCM may be unavailable or may not function as expected.
SSFA_a108_DIF_MIA	One or more of the messages the vehicle controller receives periodically from the front drive inverter (DIF) electronic control unit (ECU) is not received, indicating the DIF ECU may be unavailable (MIA).	One or more of the expected messages from the DIF ECU is not received.	Vehicle speed and power may be limited. Thermal management system features depending on DIF functionality may be limited or unavailable.
SSFA_a100_CANbus_MIA	More than half of the Electronic Control Units (ECUs) on either the Left CAN (LC) or Right CAN (RC) bus are missing more than half their messages while the bus should be active.	If 50% or more of the ECUs the local ECUs listens to are MIA, and the local ECU receives from more than 3 ECUs on this bus. An ECU is MIA if more than 50% of its messages are MIA and that ECU is considered CAN active (see specific ECU's MIA alert for CAN active conditions).	Vehicle functionality may not operate as expected.
SSFA_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.

SSFA_a260_steeringInternalFault

Steering system performance degraded due to condition detected affecting functionality.

Any condition detected affecting steering system functionality.

Steering system performance is degraded, and vehicle speed is limited.

SSFA_a252_steeringDegradedByVehicle

Steering system performance degraded due to condition detected affecting functionality.

Any condition detected affecting steering system functionality.

Steering system performance is degraded, and vehicle speed is limited.

SSFA_a251_lateralControlFailed

Steering system unable to follow commands due to one or more conditions affecting functionality.

Any condition affecting steering system functionality that will prevent operation / make the steering system unable to follow commands.

Vehicle is unable to drive or continue driving.

SSFA_a219_steeringDeratedByJumpPost

Steering power is reduced as the vehicle has entered Drive power state while being powered by the jump post.

The vehicle enters Drive state while being powered by the jump post.

Steering performance may be reduced until the vehicle exits then re-enters Drive state (vehicle power cycle occurs) with the jump post power source disconnected.

SSFA_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.

SSFA_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.

SSFA_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.

SSFA_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.

SSFA_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.

SSFA_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.

SSFA_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.

SSFA_a115_VCRIGHT1_MIA

One or more of the messages the vehicle controller receives periodically from the right vehicle controller (VCRIGHT1) is not received, indicating the VCRIGHT1 may be unavailable (MIA).

The vehicle controller does not receive one or more of the expected messages from the VCRIGHT1 within the expected time frame.

Vehicle functions that depend on the VCRIGHT1 may be unavailable or may not function as expected.

SSFA_a114_ESP_MIA

One or more expected Controller Area Network (CAN) messages from the Electronic Stability Program (ESP) electronic control unit (ECU) was not received. Stability and traction control functions may be unavailable, or their performance may be affected.

An expected CAN message from the Electronic Stability Program (ESP) electronic control unit (ECU) has not been received within the expected timeout, or the message drop rate is too high while the ESP is CAN active.

Stability and traction control functions may be unavailable, or their performance may be affected.

SSFA_a112_EPBL_MIA

One or more of the messages the vehicle controller receives periodically from the left Electronic Park Brake (EPBL) electronic control unit (ECU) is not received, indicating the EPBL ECU may be unavailable (MIA).

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

The parking brake may be unavailable or may not function as expected.

SSFA_a111_EPBR_MIA

One or more of the messages the vehicle controller receives periodically from the right Electronic Park Brake (EPBR) electronic control unit (ECU) is not received, indicating the EPBR ECU may be unavailable (MIA).

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

The parking brake may be unavailable or may not function as expected.

SSFA_a110_GTW_MIA

One or more expected Controller Area Network (CAN) messages from the vehicle gateway (GTW) was not received. Vehicle functions that depend on CAN messages from the GTW may be unavailable, or their performance may be affected.

An expected CAN message from the vehicle gateway (GTW) has not been received within the expected timeout, or the message drop rate is too high while the GTW is CAN active.

Vehicle functions that depend on CAN messages from the vehicle gateway (GTW) may be unavailable, or their performance may be affected.

SSFA_a109_RCM_MIA

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

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

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

SSFA_a108_DIF_MIA

One or more of the messages the vehicle controller receives periodically from the front drive inverter (DIF) electronic control unit (ECU) is not received, indicating the DIF ECU may be unavailable (MIA).

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

Vehicle speed and power may be limited. Thermal management system features depending on DIF functionality may be limited or unavailable.

SSFA_a100_CANbus_MIA

More than half of the Electronic Control Units (ECUs) on either the Left CAN (LC) or Right CAN (RC) bus are missing more than half their messages while the bus should be active.

If 50% or more of the ECUs the local ECUs listens to are MIA, and the local ECU receives from more than 3 ECUs on this bus. An ECU is MIA if more than 50% of its messages are MIA and that ECU is considered CAN active (see specific ECU's MIA alert for CAN active conditions).

Vehicle functionality may not operate as expected.

SSFA_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.

Alerts

Alerts