MyTeslaMate App

Signal Name	Description	Condition	Impact
VCSEATD_a398_ocsTOSMIA	The TOS communication failed.	The TOS communication failed	Occupancy sensing will be impacted
VCSEATD_a392_ocsSpareNoCalib	The Spare occupancy sensor calibration is missing.	The Spare occupancy sensor is not yet calibrated or lost calibration	Occupancy sensing will be impacted
VCSEATD_a390_ocsCushionNoCalib	The Cushion occupancy sensor calibration is missing.	The Cushion occupancy sensor is not yet calibrated or lost calibration	Occupancy sensing will be impacted
VCSEATP_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.
VCSEATP_a015_NVMMError	An issue is indicated from the non-volatile memory manager.	Non-volatile memory misconfiguration or underlying flash/filesystem error.	Non-volatile memory records may be incorrect or missing.
VCSEATD_a399_ocsTHMIA	The Temp Humidity occupancy sensor communication failed.	The Temp Humidity occupancy sensor communication failed	Occupancy sensing will be impacted
VCSEATD_a411_ocsDataTimeout	TOS sensor data not received on startup.	Unable to receive valid new data from TOS for at least 3 seconds after startup	Occupancy sensing will be impacted
VCSEATP_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.
VCSEATD_a389_ocsTHInvalid	The Temp Humidity occupancy sensor reads invalid value.	Temp Humidity occupancy sensor reading is valid	Occupancy sensing will be impacted
VCSEATP_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.
VCSEATP_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.
VCSEATP_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.
VCSEATP_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.
VCSEATP_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.
VCSEATP_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.
VCSEATP_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.
VCSEATP_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.
VCSEATP_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.
VCSEATD_a393_ocsTHNoCalib	The Temp Humidity occupancy sensor calibration is missing.	The Temp Humidity occupancy sensor is not yet calibrated or lost calibration	Occupancy sensing will be impacted
VCSEATP_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.

VCSEATD_a398_ocsTOSMIA

The TOS communication failed.

The TOS communication failed

Occupancy sensing will be impacted

VCSEATD_a392_ocsSpareNoCalib

The Spare occupancy sensor calibration is missing.

The Spare occupancy sensor is not yet calibrated or lost calibration

Occupancy sensing will be impacted

VCSEATD_a390_ocsCushionNoCalib

The Cushion occupancy sensor calibration is missing.

The Cushion occupancy sensor is not yet calibrated or lost calibration

Occupancy sensing will be impacted

VCSEATP_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.

VCSEATP_a015_NVMMError

An issue is indicated from the non-volatile memory manager.

Non-volatile memory misconfiguration or underlying flash/filesystem error.

Non-volatile memory records may be incorrect or missing.

VCSEATD_a399_ocsTHMIA

The Temp Humidity occupancy sensor communication failed.

The Temp Humidity occupancy sensor communication failed

Occupancy sensing will be impacted

VCSEATD_a411_ocsDataTimeout

TOS sensor data not received on startup.

Unable to receive valid new data from TOS for at least 3 seconds after startup

Occupancy sensing will be impacted

VCSEATP_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.

VCSEATD_a389_ocsTHInvalid

The Temp Humidity occupancy sensor reads invalid value.

Temp Humidity occupancy sensor reading is valid

Occupancy sensing will be impacted

VCSEATP_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.

VCSEATP_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.

VCSEATP_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.

VCSEATP_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.

VCSEATP_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.

VCSEATP_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.

VCSEATP_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.

VCSEATP_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.

VCSEATP_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.

VCSEATD_a393_ocsTHNoCalib

The Temp Humidity occupancy sensor calibration is missing.

The Temp Humidity occupancy sensor is not yet calibrated or lost calibration

Occupancy sensing will be impacted

VCSEATP_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