MyTeslaMate App

Signal Name	Description	Condition	Impact
USM_a161_s7OverTemp	Alert indicating that the sensor has exceeded the specified temperature limit.	When the sensor is reporting a temperature greater than 85C	Sensor function will be impaired, park assist features will be disabled.
USM_a154_s12HwError	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.
USM_a155_s1OverTemp	Alert indicating that the sensor has exceeded the specified temperature limit.	When the sensor is reporting a temperature greater than 85C	Sensor function will be impaired, park assist features will be disabled.
USM_a156_s2OverTemp	Alert indicating that the sensor has exceeded the specified temperature limit.	When the sensor is reporting a temperature greater than 85C	Sensor function will be impaired, park assist features will be disabled.
USM_a153_s11HwError	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.
USM_a150_s8HwError	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.
USM_a151_s9HwError	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.
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.
USM_a157_s3OverTemp	Alert indicating that the sensor has exceeded the specified temperature limit.	When the sensor is reporting a temperature greater than 85C	Sensor function will be impaired, park assist features will be disabled.
USM_a149_s7HwError	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.
USM_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.
USM_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.
USM_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.
USM_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.
USM_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.
USM_a178_s2Blocked	Alert indicating that the sensor is blocked.	When the sensor has been detected as blocked	Sensor function will be impaired, park assist features will be disabled.
USM_a148_s6HwError	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.
USM_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.
USM_a158_s4OverTemp	Alert indicating that the sensor has exceeded the specified temperature limit.	When the sensor is reporting a temperature greater than 85C	Sensor function will be impaired, park assist features will be disabled.
USM_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.

USM_a161_s7OverTemp

Alert indicating that the sensor has exceeded the specified temperature limit.

When the sensor is reporting a temperature greater than 85C

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

USM_a154_s12HwError

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.

USM_a155_s1OverTemp

Alert indicating that the sensor has exceeded the specified temperature limit.

When the sensor is reporting a temperature greater than 85C

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

USM_a156_s2OverTemp

Alert indicating that the sensor has exceeded the specified temperature limit.

When the sensor is reporting a temperature greater than 85C

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

USM_a153_s11HwError

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.

USM_a150_s8HwError

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.

USM_a151_s9HwError

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.

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.

USM_a157_s3OverTemp

Alert indicating that the sensor has exceeded the specified temperature limit.

When the sensor is reporting a temperature greater than 85C

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

USM_a149_s7HwError

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.

USM_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.

USM_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.

USM_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.

USM_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.

USM_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.

USM_a178_s2Blocked

Alert indicating that the sensor is blocked.

When the sensor has been detected as blocked

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

USM_a148_s6HwError

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.

USM_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.

USM_a158_s4OverTemp

Alert indicating that the sensor has exceeded the specified temperature limit.

When the sensor is reporting a temperature greater than 85C

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

USM_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.

Alerts

Alerts