MyTeslaMate App

Signal Name	Description	Condition	Impact
VCSEC_a100_CANbus_MIA	More than half of the ECUs on a either the VEH or PARTY 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 be degraded.
VCSEC_a102_PTC_MIA	One or more of the messages the vehicle controller receives periodically from the Positive Temperature Coefficient (PTC) heater electronic control unit (ECU) is not received, indicating the PTC heater ECU may be unavailable (MIA).	One or more of the expected messages from the PTC heater ECU is not received.	Thermal management system features depending on PTC heater functionality may be limited or unavailable.
VCSEC_a103_CP_MIA	One or more of the messages the vehicle controller receives periodically from the charge port (CP) electronic control unit (ECU) is not received, indicating the CP ECU may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the CP ECU within the expected time frame.	Charging may not start or may be interrupted unexpectedly.
VCSEC_a099_PARK_MIA	One or more expected Controller Area Network (CAN) messages from the Park Assist (PARK) electronic control unit (ECU) was not received. Autopark and Summon functions may be unavailable, or their performance may be affected.	An expected CAN message from the Park Assist (PARK) electronic control unit (ECU) has not been received within the expected timeout, or the message drop rate is too high while the park assist ECU is CAN active. The PARK ECU is considered CAN active when VCFRONT_chGoToSleep is 0 AND VCFRONT_parkLVState is LV_ON.	Autopark and Summon functions may be unavailable, or their performance may be affected.
VCSEC_a096_OCS1P_MIA	One or more of the messages the vehicle controller receives periodically from the 1st row passenger occupancy classification system (OCS1P) electronic control unit (ECU) is not received, indicating the OCS1P ECU may be unavailable (MIA).	One or more of the expected messages from the OCS1P ECU is not received.	Vehicle functions that depend on the OCS1P may be unavailable or may not function as expected.
VCSEC_a095_CHG_MIA	One or more of the messages the vehicle controller receives periodically from the onboard charger (CHG) electronic control unit (ECU) is not received, indicating the CHG ECU may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the CHG ECU within the expected time frame.	Charging may not start or may be interrupted unexpectedly.
VCSEC_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.
VCSEC_a093_VCSEATP_MIA	One or more of the messages the vehicle controller receives periodically from the front passenger seat controller (VCSEATP) is not received, indicating the VCSEATP may be unavailable (MIA).	One or more of the expected messages from the VCSEATP is not received.	Front passenger seat features depending on VCSEATP functionality, including seat buckle and heating pad, may be limited or unavailable.
VCSEC_a094_EPAS3P_MIA	One or more of the messages the vehicle controller receives periodically from the Primary Electronic Power-Assisted Steering (EPAS3P) electronic control unit (ECU) is not received, indicating the EPAS3P ECU may be unavailable (MIA).	One or more of the expected messages from the EPAS3P ECU is not received.	Vehicle functions that depend on the EPAS3P may be unavailable or may not function as expected.
VCSEC_a092_VCSEATD_MIA	One or more of the messages the vehicle controller receives periodically from the driver seat controller (VCSEATD) is not received, indicating the VCSEATD may be unavailable (MIA).	One or more of the expected messages from the VCSEATD is not received.	Driver seat features depending on VCSEATD functionality, including seat buckle and heating pad, may be limited or unavailable.
VCSEC_a089_IBST_MIA	One or more of the expected CAN messages from iBooster were not received.	A message the local ECU expects to receive from the iBooster ECU has not been received within the expected timeout or the drop rate is too high while the iBooster is CAN active.	Brake boost functionality may be missing.
VCSEC_a088_DIRER_MIA	One or more of the messages the vehicle controller receives periodically from the rear right drive inverter (DIRER) is not received, indicating the DIRER may be unavailable (MIA).	One or more of the expected messages from the DIRER is not received.	Vehicle speed and power may be limited.
VCSEC_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.
VCSEC_a086_VCBATT_MIA	One or more of the messages the vehicle controller receives periodically from the vehicle battery controller (VCBATT) is not received, indicating the VCBATT may be unavailable (MIA).	One or more of the expected messages from the VCBATT is not received.	Vehicle functionality depending on the VCBATT may be limited or unavailable.
VCSEC_a087_DIREL_MIA	One or more of the messages the vehicle controller receives periodically from the rear left drive inverter (DIREL) is not received, indicating the DIREL may be unavailable (MIA).	One or more of the expected messages from the DIREL is not received.	Vehicle speed and power may be limited.
VCSEC_a091_CMPD_MIA	One or more of the messages the vehicle controller receives periodically from the heat pump system compressor (CMPD) electronic control unit (ECU) is not received, indicating the CMPD ECU may be unavailable (MIA).	One or more of the expected messages from the CMPD ECU is not received.	The HVAC system may be unavailable or may not function as expected.
VCSEC_a079_BCFPM_MIA	One or more expected Controller Area Network (CAN) messages from the Body Controller - Front Passenger Door (BCFPM) electronic control unit (ECU) was not received. The front passenger side door may not function as expected.	An expected CAN message from the Body Controller - Front Passenger Door (BCFPM) electronic control unit (ECU) has not been received within the expected timeout, or the message drop rate is too high while the BCFPM is CAN active. The ECU is considered CAN active when VCFRONT_vehGoToSleep is 0.	The front passenger side door may not function as expected.
VCSEC_a078_BCFALCP_MIA	One or more expected Controller Area Network (CAN) messages from the Body Controller - Falcon EM Controller - Passenger Side (BCFALCP) electronic control unit (ECU) was not received. The passenger side Falcon door may not function as expected.	An expected CAN message from the Body Controller - Falcon EM Controller - Passenger Side (BCFALCP) electronic control unit (ECU) has not been received within the expected timeout, or the message drop rate is too high while the BCFALCP is CAN active. The BCFALCP is considered CAN active when VCFRONT_vehGoToSleep is 0.	The passenger side Falcon door may not function as expected.
VCSEC_a080_BCFDM_MIA	One or more expected Controller Area Network (CAN) messages from the Body Controller - Front Driver Door (BCFDM) electronic control unit (ECU) was not received. The front driver side door may not function as expected.	An expected CAN message from the Body Controller - Front Driver Door (BCFDM) electronic control unit (ECU) has not been received within the expected timeout, or the message drop rate is too high while the BCFDM is CAN active. The BCFDM is considered CAN active when VCFRONT_vehGoToSleep is 0.	The front driver side door may not function as expected.
VCSEC_a082_VCRIGHT_IPC_MIA	One or more of the messages the vehicle controller receives periodically from the right vehicle controller (VCRIGHT) is not received over the interprocessor controller area network (IPC), indicating the VCRIGHT may be unavailable (MIA).	One or more of the expected messages from the VCRIGHT is not received over the IPC.	Vehicle functions that depend on the VCRIGHT may be unavailable or may not function as expected.

VCSEC_a100_CANbus_MIA

More than half of the ECUs on a either the VEH or PARTY 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 be degraded.

VCSEC_a102_PTC_MIA

One or more of the messages the vehicle controller receives periodically from the Positive Temperature Coefficient (PTC) heater electronic control unit (ECU) is not received, indicating the PTC heater ECU may be unavailable (MIA).

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

Thermal management system features depending on PTC heater functionality may be limited or unavailable.

VCSEC_a103_CP_MIA

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

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

Charging may not start or may be interrupted unexpectedly.

VCSEC_a099_PARK_MIA

One or more expected Controller Area Network (CAN) messages from the Park Assist (PARK) electronic control unit (ECU) was not received. Autopark and Summon functions may be unavailable, or their performance may be affected.

An expected CAN message from the Park Assist (PARK) electronic control unit (ECU) has not been received within the expected timeout, or the message drop rate is too high while the park assist ECU is CAN active. The PARK ECU is considered CAN active when VCFRONT_chGoToSleep is 0 AND VCFRONT_parkLVState is LV_ON.

Autopark and Summon functions may be unavailable, or their performance may be affected.

VCSEC_a096_OCS1P_MIA

One or more of the messages the vehicle controller receives periodically from the 1st row passenger occupancy classification system (OCS1P) electronic control unit (ECU) is not received, indicating the OCS1P ECU may be unavailable (MIA).

One or more of the expected messages from the OCS1P ECU is not received.

Vehicle functions that depend on the OCS1P may be unavailable or may not function as expected.

VCSEC_a095_CHG_MIA

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

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

Charging may not start or may be interrupted unexpectedly.

VCSEC_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.

VCSEC_a093_VCSEATP_MIA

One or more of the messages the vehicle controller receives periodically from the front passenger seat controller (VCSEATP) is not received, indicating the VCSEATP may be unavailable (MIA).

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

Front passenger seat features depending on VCSEATP functionality, including seat buckle and heating pad, may be limited or unavailable.

VCSEC_a094_EPAS3P_MIA

One or more of the messages the vehicle controller receives periodically from the Primary Electronic Power-Assisted Steering (EPAS3P) electronic control unit (ECU) is not received, indicating the EPAS3P ECU may be unavailable (MIA).

One or more of the expected messages from the EPAS3P ECU is not received.

Vehicle functions that depend on the EPAS3P may be unavailable or may not function as expected.

VCSEC_a092_VCSEATD_MIA

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

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

Driver seat features depending on VCSEATD functionality, including seat buckle and heating pad, may be limited or unavailable.

VCSEC_a089_IBST_MIA

One or more of the expected CAN messages from iBooster were not received.

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

Brake boost functionality may be missing.

VCSEC_a088_DIRER_MIA

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

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

Vehicle speed and power may be limited.

VCSEC_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.

VCSEC_a086_VCBATT_MIA

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

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

Vehicle functionality depending on the VCBATT may be limited or unavailable.

VCSEC_a087_DIREL_MIA

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

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

Vehicle speed and power may be limited.

VCSEC_a091_CMPD_MIA

One or more of the messages the vehicle controller receives periodically from the heat pump system compressor (CMPD) electronic control unit (ECU) is not received, indicating the CMPD ECU may be unavailable (MIA).

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

The HVAC system may be unavailable or may not function as expected.

VCSEC_a079_BCFPM_MIA

One or more expected Controller Area Network (CAN) messages from the Body Controller - Front Passenger Door (BCFPM) electronic control unit (ECU) was not received. The front passenger side door may not function as expected.

An expected CAN message from the Body Controller - Front Passenger Door (BCFPM) electronic control unit (ECU) has not been received within the expected timeout, or the message drop rate is too high while the BCFPM is CAN active. The ECU is considered CAN active when VCFRONT_vehGoToSleep is 0.

The front passenger side door may not function as expected.

VCSEC_a078_BCFALCP_MIA

One or more expected Controller Area Network (CAN) messages from the Body Controller - Falcon EM Controller - Passenger Side (BCFALCP) electronic control unit (ECU) was not received. The passenger side Falcon door may not function as expected.

An expected CAN message from the Body Controller - Falcon EM Controller - Passenger Side (BCFALCP) electronic control unit (ECU) has not been received within the expected timeout, or the message drop rate is too high while the BCFALCP is CAN active. The BCFALCP is considered CAN active when VCFRONT_vehGoToSleep is 0.

The passenger side Falcon door may not function as expected.

VCSEC_a080_BCFDM_MIA

One or more expected Controller Area Network (CAN) messages from the Body Controller - Front Driver Door (BCFDM) electronic control unit (ECU) was not received. The front driver side door may not function as expected.

An expected CAN message from the Body Controller - Front Driver Door (BCFDM) electronic control unit (ECU) has not been received within the expected timeout, or the message drop rate is too high while the BCFDM is CAN active. The BCFDM is considered CAN active when VCFRONT_vehGoToSleep is 0.

The front driver side door may not function as expected.

VCSEC_a082_VCRIGHT_IPC_MIA

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

One or more of the expected messages from the VCRIGHT is not received over the IPC.

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

Alerts

Alerts