MyTeslaMate App

Signal Name	Description	Condition	Impact
TRCM_a116_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.
TRCM_a115_VCSEC_MIA	One or more of the messages the vehicle controller receives periodically from the vehicle security controller (VCSEC) 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.	Features depending on VCSEC functionality, including vehicle security and communication with authentication devices, may be limited or unavailable.
TRCM_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. The ESP is considered CAN active when VCFRONT_privateGoToSleep is 0 AND VCFRONT_espLVState is LV_ON.	Stability and traction control functions may be unavailable, or their performance may be affected.
TRCM_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.
TRCM_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.
TRCM_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. The GTW is considered CAN active when VCFRONT_vehGoToSleep is 0.	Vehicle functions that depend on CAN messages from the vehicle gateway (GTW) may be unavailable, or their performance may be affected.
TRCM_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.
TRCM_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.
TRCM_a107_BMS_MIA	One or more of the messages the vehicle controller receives periodically from the high voltage (HV) Battery Management System (BMS) electronic control unit (ECU) is not received, indicating the BMS ECU may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the HVBMS ECU within the expected time frame.	The vehicle may be unable to drive or charge.
TRCM_a106_PCS_MIA	One or more of the messages the vehicle controller receives periodically from the power conversion system (PCS) electronic control unit (ECU) is not received, indicating the PCS ECU may be unavailable (MIA).	One or more of the expected messages from the PCS ECU is not received.	The vehicle may be unable to charge.
TRCM_a105_TAS_MIA	One or more of the messages the vehicle controller receives periodically from the Tesla Air Suspension (TAS) electronic control unit (ECU) is not received, indicating the TAS ECU may be unavailable (MIA).	One or more of the expected messages from the TAS ECU is not received.	The air suspension may not function as expected.
TRCM_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.
TRCM_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.
TRCM_a101_PM_MIA	One or more of the messages the vehicle controller receives periodically from the Pedal Monitor (PM) electronic control unit (ECU) is not received, indicating the PM ECU may be unavailable (MIA).	One or more of the expected messages from the PM ECU is not received.	Vehicle speed and power may be limited.
TRCM_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.
TRCM_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.
TRCM_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.
TRCM_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.
TRCM_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.
TRCM_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.

TRCM_a116_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.

TRCM_a115_VCSEC_MIA

One or more of the messages the vehicle controller receives periodically from the vehicle security controller (VCSEC) 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.

Features depending on VCSEC functionality, including vehicle security and communication with authentication devices, may be limited or unavailable.

TRCM_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. The ESP is considered CAN active when VCFRONT_privateGoToSleep is 0 AND VCFRONT_espLVState is LV_ON.

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

TRCM_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.

TRCM_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.

TRCM_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. The GTW is considered CAN active when VCFRONT_vehGoToSleep is 0.

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

TRCM_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.

TRCM_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.

TRCM_a107_BMS_MIA

One or more of the messages the vehicle controller receives periodically from the high voltage (HV) Battery Management System (BMS) electronic control unit (ECU) is not received, indicating the BMS ECU may be unavailable (MIA).

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

The vehicle may be unable to drive or charge.

TRCM_a106_PCS_MIA

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

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

The vehicle may be unable to charge.

TRCM_a105_TAS_MIA

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

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

The air suspension may not function as expected.

TRCM_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.

TRCM_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.

TRCM_a101_PM_MIA

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

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

Vehicle speed and power may be limited.

TRCM_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.

TRCM_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.

TRCM_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.

TRCM_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.

TRCM_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.

TRCM_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.

Alerts

Alerts