MyTeslaMate App

Signal Name	Description	Condition	Impact	Important
VCSUPER_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.	No
VCSUPER_a098_DIR_MIA	One or more of the messages the vehicle controller receives periodically from the rear drive inverter (DIR) electronic control unit (ECU) is not received, indicating the DIR ECU may be unavailable (MIA).	One or more of the expected messages from the DIR ECU is not received.	Vehicle speed and power may be limited.	No
VCSEC_a266_TPMSSoftWarningFrontLeft	Front left tire may be slightly underinflated or leaking	Front left sensor reports pressure under region specific percentage of recommended cold pressure (RCP)	TPMS telltale and poor vehicle performance	No
VCSEC_a302_unfused	Security Vehicle Controller (VCSEC) is using the factory key (unfused) rather than a production key (fused).	This alert is set on first boot when the VCSEC is unfused.	ODIN key pairing or remote commands may not work until the VCSEC is fused.	No
VCSUPER_a108_DIF_MIA	One or more of the expected CAN messages from the front drive inverter (DIF) was not received.	A message the local ECU expects to receive from the DIF ECU has not been received within the expected timeout or the drop rate is too high while the DIF is CAN active.	Drive functionality may be missing.	No
VCSUPER_a107_ICR_MIA	One or more expected controller area network (CAN) messages from the interior cabin radar (ICR) electronic control unit (ECU) was not received.	An expected CAN message from the ICR ECU has not been received within the expected timeout, or the CAN message drop rate is too high while the ICR is CAN active.	Intrusion alarm functionality may be missing.	No
VCSUPER_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.	No
VCSUPER_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.	No
VCSUPER_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.	No
VCSUPER_a115_VCSEC_MIA	One or more of the messages the vehicle controller receives periodically from the security (VCSEC) electronic control unit (ECU) is not received, indicating the VCSEC may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the VCSEC within the expected time frame.	Vehicle functions that depend on the VCSEC may be unavailable or may not function as expected.	No
VCSEC_a200_centerEndpointLostComm	The security controller did not receive event for more than 10 seconds from the center endpoint.	The security does not hear any response when requesting an event from an endpoint for more than 10 seconds.	Phone key will not work.	No
VCSUPER_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.	No
VCSUPER_a124_HVBATTCON_MIA	One or more of the messages the vehicle controller receives periodically from the High Voltage Battery Management System Controller (HVBATTCON) is not received, indicating the HVBATTCON may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the HVBATTCON within the expected time frame.	Vehicle functions that depend on the HVBATTCON may be unavailable or may not function as expected.	No
VCSUPER_a126_EGGRIGHT3_MIA	One or more of the expected CAN messages from the Etherloop Generalized Gateway Right (Core 3) were not received, indicating the EGGRIGHT3 ECU may be unavailable (MIA).	The local ECU does not receive one or more of the expected messages from the EGGRIGHT3 within the expected time frame.	Vehicle functions that depend on the EGGRIGHT3 may be unavailable or may not function as expected.	No
VCSEC_a199_CenterNFCReaderMIA	Center Bluetooth Low Energy (BLE) chip was not able to talk to Near Field Communication (NFC) chip.	Center BLE chip was not able to talk to NFC chip.	Key cards will not work.	No
VCSUPER_a131_PCSCOMMON_MIA	One or more of the messages the vehicle controller receives periodically from the power conversion system common interface (PCSCOMMON) electronic control unit (ECU) is not received, indicating the PCSCOMMON ECU may be unavailable (MIA).	One or more of the expected messages from the PCSCOMMON ECU is not received.	The vehicle may be unable to charge.	No
VCSUPER_a133_DI_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.	No
VCSUPER_a136_refrigDischTempSns	The vehicle controller detects the refrigerant discharge temperature sensor is experiencing an electrical condition (short or disconnect).	The refrigerant discharge temperature sensor reads a power rail or ground reference voltage.	Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.	No
VCSEC_a203_rearEndpointLostComm	The security controller did not receive event for more than 10 seconds from the rear endpoint.	The security does not hear any response when requesting an event from an endpoint for more than 10 seconds.	Phone key will not work.	No
VCSEC_a253_TPMSLowBattery	One or more sensors have indicated a low battery	One or more battery voltages are below 2.5v	None	No

VCSUPER_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.

No

VCSUPER_a098_DIR_MIA

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

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

Vehicle speed and power may be limited.

No

VCSEC_a266_TPMSSoftWarningFrontLeft

Front left tire may be slightly underinflated or leaking

Front left sensor reports pressure under region specific percentage of recommended cold pressure (RCP)

TPMS telltale and poor vehicle performance

No

VCSEC_a302_unfused

Security Vehicle Controller (VCSEC) is using the factory key (unfused) rather than a production key (fused).

This alert is set on first boot when the VCSEC is unfused.

ODIN key pairing or remote commands may not work until the VCSEC is fused.

No

VCSUPER_a108_DIF_MIA

One or more of the expected CAN messages from the front drive inverter (DIF) was not received.

A message the local ECU expects to receive from the DIF ECU has not been received within the expected timeout or the drop rate is too high while the DIF is CAN active.

Drive functionality may be missing.

No

VCSUPER_a107_ICR_MIA

One or more expected controller area network (CAN) messages from the interior cabin radar (ICR) electronic control unit (ECU) was not received.

An expected CAN message from the ICR ECU has not been received within the expected timeout, or the CAN message drop rate is too high while the ICR is CAN active.

Intrusion alarm functionality may be missing.

No

VCSUPER_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.

No

VCSUPER_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.

No

VCSUPER_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.

No

VCSUPER_a115_VCSEC_MIA

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

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

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

No

VCSEC_a200_centerEndpointLostComm

The security controller did not receive event for more than 10 seconds from the center endpoint.

The security does not hear any response when requesting an event from an endpoint for more than 10 seconds.

Phone key will not work.

No

VCSUPER_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.

No

VCSUPER_a124_HVBATTCON_MIA

One or more of the messages the vehicle controller receives periodically from the High Voltage Battery Management System Controller (HVBATTCON) is not received, indicating the HVBATTCON may be unavailable (MIA).

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

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

No

VCSUPER_a126_EGGRIGHT3_MIA

One or more of the expected CAN messages from the Etherloop Generalized Gateway Right (Core 3) were not received, indicating the EGGRIGHT3 ECU may be unavailable (MIA).

The local ECU does not receive one or more of the expected messages from the EGGRIGHT3 within the expected time frame.

Vehicle functions that depend on the EGGRIGHT3 may be unavailable or may not function as expected.

No

VCSEC_a199_CenterNFCReaderMIA

Center Bluetooth Low Energy (BLE) chip was not able to talk to Near Field Communication (NFC) chip.

Center BLE chip was not able to talk to NFC chip.

Key cards will not work.

No

VCSUPER_a131_PCSCOMMON_MIA

One or more of the messages the vehicle controller receives periodically from the power conversion system common interface (PCSCOMMON) electronic control unit (ECU) is not received, indicating the PCSCOMMON ECU may be unavailable (MIA).

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

The vehicle may be unable to charge.

No

VCSUPER_a133_DI_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.

No

VCSUPER_a136_refrigDischTempSns

The vehicle controller detects the refrigerant discharge temperature sensor is experiencing an electrical condition (short or disconnect).

The refrigerant discharge temperature sensor reads a power rail or ground reference voltage.

Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.

No

VCSEC_a203_rearEndpointLostComm

The security controller did not receive event for more than 10 seconds from the rear endpoint.

The security does not hear any response when requesting an event from an endpoint for more than 10 seconds.

Phone key will not work.

No

VCSEC_a253_TPMSLowBattery

One or more sensors have indicated a low battery

One or more battery voltages are below 2.5v

None

No

Alerts

Alerts