MyTeslaMate App

Signal Name	Description	Condition	Impact	Important
USM_a083_VCLEFT_IPC_MIA	One or more of the messages the vehicle controller receives periodically from the left vehicle controller (VCLEFT) is not received over the interprocessor controller area network (IPC), indicating the VCLEFT may be unavailable (MIA).	One or more of the expected messages from the VCLEFT is not received over the IPC.	Vehicle functions that depend on the VCLEFT may be unavailable or may not function as expected.	No
USM_a084_TPMS_MIA	One or more of the messages the vehicle controller receives periodically from the Tire Pressure Monitoring System (TPMS) electronic control unit (ECU) is not received, indicating the TPMS ECU may be unavailable (MIA).	One or more of the expected messages from the TPMS ECU is not received.	Vehicle functionality depending on the TPMS ECU may be limited or unavailable.	No
USM_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.	No
USM_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.	No
VCBATT_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.	No
VCBATT_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.	No
VCBATT_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.	No
VCBATT_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.	No
VCBATT_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.	No
USM_a059_inputResistanceHigh	A large voltage drop is detected in the input power to the vehicle controller, indicating the resistance on the input power feed to the vehicle controller is higher than expected.	Estimated resistance on the input power feed to the vehicle controller is higher than expected.	The vehicle controller may be unavailable due to lack of adequate input power, limiting vehicle functionality or making the vehicle inoperable, with at least one other alert specific to that condition present.	No
USM_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.	No
USM_a118_VCFRONT_MIA	One or more of the messages the vehicle controller receives periodically from the front vehicle controller (VCFRONT) is not received, indicating the VCFRONT may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the VCFRONT within the expected time frame.	Vehicle functions that depend on the VCFRONT may be unavailable or may not function as expected.	No
USM_a063_SwitchFault	A condition affecting switch functionality has been detected.	A condition is detected affecting switch functionality. Alert log signal data should provide more information on the switch affected and specific condition.	The switch may not function or may not function as expected.	No
USM_a152_s10HwError	Alert indicating that there has been a hardware issue related to the sensor	When the hardware error bit is set by the sensor	Sensor function will be impaired, park assist features will be disabled.	No
VCBATT_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.	No
VCBATT_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.	No
VCBATT_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.	No
VCBATT_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.	No
VCBATT_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.	No
VCBATT_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

USM_a083_VCLEFT_IPC_MIA

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

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

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

No

USM_a084_TPMS_MIA

One or more of the messages the vehicle controller receives periodically from the Tire Pressure Monitoring System (TPMS) electronic control unit (ECU) is not received, indicating the TPMS ECU may be unavailable (MIA).

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

Vehicle functionality depending on the TPMS ECU may be limited or unavailable.

No

USM_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.

No

USM_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.

No

VCBATT_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.

No

VCBATT_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.

No

VCBATT_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.

No

VCBATT_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.

No

VCBATT_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.

No

USM_a059_inputResistanceHigh

A large voltage drop is detected in the input power to the vehicle controller, indicating the resistance on the input power feed to the vehicle controller is higher than expected.

Estimated resistance on the input power feed to the vehicle controller is higher than expected.

The vehicle controller may be unavailable due to lack of adequate input power, limiting vehicle functionality or making the vehicle inoperable, with at least one other alert specific to that condition present.

No

USM_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.

No

USM_a118_VCFRONT_MIA

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

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

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

No

USM_a063_SwitchFault

A condition affecting switch functionality has been detected.

A condition is detected affecting switch functionality. Alert log signal data should provide more information on the switch affected and specific condition.

The switch may not function or may not function as expected.

No

USM_a152_s10HwError

Alert indicating that there has been a hardware issue related to the sensor

When the hardware error bit is set by the sensor

Sensor function will be impaired, park assist features will be disabled.

No

VCBATT_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.

No

VCBATT_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.

No

VCBATT_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.

No

VCBATT_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.

No

VCBATT_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.

No

VCBATT_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

Alerts

Alerts