MyTeslaMate App

Signal Name	Description	Condition	Impact
VCSUPER_a136_refrigDischTempSns	The vehicle controller detects the refrigerant discharge temperature sensor is experiencing an electrical condition (short or disconnect).	The refrigerant discharge temperature sensor reads a power rail or ground reference voltage.	Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.
VCSUPER_a137_refrigDischPresSns	The vehicle controller detects the refrigerant discharge pressure sensor is experiencing an electrical condition (short or disconnect).	The refrigerant discharge pressure sensor reads a power rail or ground reference voltage.	Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.
VCSEC_a276_childSeatNotConnectedAtEndOfDrive	Paired child seat not connected through BLE at the end of drive	Child seat is not connected at the end of drive	Child presence detection will not work
VCSEC_a277_childSeatBatteryIsLow	Child seat battery is low. Need to replace battery for child seat	Child seat battery is low	Child seat communication with the vehicle will be disconnected
VCSEC_a405_SecondaryCenterEndpointLostComm	The Security Controller (VCSEC) has not detected signal from one of two Bluetooth Low Energy (BLE) endpoints within VCSEC A-Header for over ten seconds.	VCSEC has not detected signal from one of two BLE endpoints within VCSEC A-Header for over ten seconds. The BLE endpoint may have a condition affecting functionality.	VCSEC may not function as expected. VCSEC may retain a last known valid value that is no longer accurate. Vehicle security and communication with consumer's authentication device may not function as expected.
VCSEC_a497_incorrectEndpointInstallation	One or more of the Bluetooth Low Energy (BLE) endpoints are installed at an incorrect endpoint location.	An incorrect BLE endpoint is installed at a certain location.	Endpoint may not operate as expected, or it may not function at all.
VCSUPER_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_a256_whitelistOperationFail	Key whitelist operation failed	when a whitelist operation resulted in failure	key was not added or updated
VCSUPER_a159_coolantValveFault	The coolant valve has stalled while trying to reach a specific angle target. Cabin HVAC / climate control cooling (air conditioning) may be limited and drive power may be reduced.	Coolant valve has stalled when attempting to reach an angle target.	Cabin HVAC / climate control cooling (air conditioning) may be limited. Drive power may also be limited due to low coolant flow, and a separate alert will be present to indicate this condition.
VCSEC_a273_TPMSHardWarningRearRight	Rear right tire may be flat	Rear right sensor reports pressure under 25psi	TPMS telltale and poor vehicle performance
VCSEC_a441_BLEFrontLeftSoftReset	The Vehicle Security Controller (VCSEC) detects a condition affecting the functionality of the front left Bluetooth Low Energy (BLE) endpoint and requests a soft reset.	The VCSEC requests a soft reset for the front left BLE endpoint. Alert log signal data should provide more information on the specific condition(s) detected that caused the soft reset.	The front left BLE endpoint is being reset and may be temporarily unavailable.
VCSEC_a458_TPMSOverPressureWarningRearRight	The Tire Pressure Monitoring System (TPMS) detects the rear right tire is overinflated.	The rear right tire pressure sensor reports a tire pressure that is exceeding the recommended threshold.	Driving with overinflated tires may lead to tire damage.
VCSEC_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.
VCSEC_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.
VCSUPER_a231_ADSP_MIA	One or more expected Controller Area Network (CAN) messages from the Audio Digital Signal Processor (ADSP) electronic control unit (ECU) was not received. ADSP data from accelerometers may be unavailable.	One or more expected CAN messages from the ADSP is not successfully received. May be due to missing message(s), message reception rate error, or invalid checksum / counter error (message is too short / long, the checksum does not match, or unexpected sequence errors are present).	Air suspension functionality may be reduced. Excessive leveling corrections may occur. Active damping control may be disabled.
VCSEC_a269_TPMSSoftWarningRearRight	Rear right tire may be slightly underinflated or leaking	Rear right sensor reports pressure under region specific percentage of recommended cold pressure (RCP)	TPMS telltale and poor vehicle performance
VCSEC_a314_RightDoorHandleNFCReaderMIA	Right side door handle BLE chip was not able to talk to NFC chip.	Right side door handle BLE chip was not able to talk to NFC chip	Right side door handle NFC reader will be non-operational untill the endpoint is replaced
VCSEC_a119_SCCM_MIA	One or more of the messages the vehicle controller receives periodically from the Steering Column Control Module (SCCM) is not received, indicating the SCCM may be unavailable (MIA).	One or more of the expected messages from the SCCM is not received.	Vehicle may be unable to shift between drive modes.
VCSEC_a313_LeftDoorHandleNFCReaderMIA	Left side door handle BLE chip was not able to talk to NFC chip.	Left side door handle BLE chip was not able to talk to NFC chip	Left side door handle NFC reader will be non-operational untill the endpoint is replaced
VCSEC_a400_frontEndpointLostComm	The Security Controller (VCSEC) has not detected signal from the front interior Bluetooth Low Energy (BLE) endpoint for over ten seconds.	VCSEC has not detected signal from the front interior BLE endpoint for over ten seconds. The front interior BLE endpoint may have a condition affecting functionality.	VCSEC may not function as expected. VCSEC may retain a last known valid value that is no longer accurate. Vehicle security and communication with consumer's authentication device may not function as expected.

VCSUPER_a136_refrigDischTempSns

The vehicle controller detects the refrigerant discharge temperature sensor is experiencing an electrical condition (short or disconnect).

The refrigerant discharge temperature sensor reads a power rail or ground reference voltage.

Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.

VCSUPER_a137_refrigDischPresSns

The vehicle controller detects the refrigerant discharge pressure sensor is experiencing an electrical condition (short or disconnect).

The refrigerant discharge pressure sensor reads a power rail or ground reference voltage.

Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.

VCSEC_a276_childSeatNotConnectedAtEndOfDrive

Paired child seat not connected through BLE at the end of drive

Child seat is not connected at the end of drive

Child presence detection will not work

VCSEC_a277_childSeatBatteryIsLow

Child seat battery is low. Need to replace battery for child seat

Child seat battery is low

Child seat communication with the vehicle will be disconnected

VCSEC_a405_SecondaryCenterEndpointLostComm

The Security Controller (VCSEC) has not detected signal from one of two Bluetooth Low Energy (BLE) endpoints within VCSEC A-Header for over ten seconds.

VCSEC has not detected signal from one of two BLE endpoints within VCSEC A-Header for over ten seconds. The BLE endpoint may have a condition affecting functionality.

VCSEC may not function as expected. VCSEC may retain a last known valid value that is no longer accurate. Vehicle security and communication with consumer's authentication device may not function as expected.

VCSEC_a497_incorrectEndpointInstallation

One or more of the Bluetooth Low Energy (BLE) endpoints are installed at an incorrect endpoint location.

An incorrect BLE endpoint is installed at a certain location.

Endpoint may not operate as expected, or it may not function at all.

VCSUPER_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_a256_whitelistOperationFail

Key whitelist operation failed

when a whitelist operation resulted in failure

key was not added or updated

VCSUPER_a159_coolantValveFault

The coolant valve has stalled while trying to reach a specific angle target. Cabin HVAC / climate control cooling (air conditioning) may be limited and drive power may be reduced.

Coolant valve has stalled when attempting to reach an angle target.

Cabin HVAC / climate control cooling (air conditioning) may be limited. Drive power may also be limited due to low coolant flow, and a separate alert will be present to indicate this condition.

VCSEC_a273_TPMSHardWarningRearRight

Rear right tire may be flat

Rear right sensor reports pressure under 25psi

TPMS telltale and poor vehicle performance

VCSEC_a441_BLEFrontLeftSoftReset

The Vehicle Security Controller (VCSEC) detects a condition affecting the functionality of the front left Bluetooth Low Energy (BLE) endpoint and requests a soft reset.

The VCSEC requests a soft reset for the front left BLE endpoint. Alert log signal data should provide more information on the specific condition(s) detected that caused the soft reset.

The front left BLE endpoint is being reset and may be temporarily unavailable.

VCSEC_a458_TPMSOverPressureWarningRearRight

The Tire Pressure Monitoring System (TPMS) detects the rear right tire is overinflated.

The rear right tire pressure sensor reports a tire pressure that is exceeding the recommended threshold.

Driving with overinflated tires may lead to tire damage.

VCSEC_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.

VCSEC_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.

VCSUPER_a231_ADSP_MIA

One or more expected Controller Area Network (CAN) messages from the Audio Digital Signal Processor (ADSP) electronic control unit (ECU) was not received. ADSP data from accelerometers may be unavailable.

One or more expected CAN messages from the ADSP is not successfully received. May be due to missing message(s), message reception rate error, or invalid checksum / counter error (message is too short / long, the checksum does not match, or unexpected sequence errors are present).

Air suspension functionality may be reduced. Excessive leveling corrections may occur. Active damping control may be disabled.

VCSEC_a269_TPMSSoftWarningRearRight

Rear right tire may be slightly underinflated or leaking

Rear right sensor reports pressure under region specific percentage of recommended cold pressure (RCP)

TPMS telltale and poor vehicle performance

VCSEC_a314_RightDoorHandleNFCReaderMIA

Right side door handle BLE chip was not able to talk to NFC chip.

Right side door handle BLE chip was not able to talk to NFC chip

Right side door handle NFC reader will be non-operational untill the endpoint is replaced

VCSEC_a119_SCCM_MIA

One or more of the messages the vehicle controller receives periodically from the Steering Column Control Module (SCCM) is not received, indicating the SCCM may be unavailable (MIA).

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

Vehicle may be unable to shift between drive modes.

VCSEC_a313_LeftDoorHandleNFCReaderMIA

Left side door handle BLE chip was not able to talk to NFC chip.

Left side door handle BLE chip was not able to talk to NFC chip

Left side door handle NFC reader will be non-operational untill the endpoint is replaced

VCSEC_a400_frontEndpointLostComm

The Security Controller (VCSEC) has not detected signal from the front interior Bluetooth Low Energy (BLE) endpoint for over ten seconds.

VCSEC has not detected signal from the front interior BLE endpoint for over ten seconds. The front interior BLE endpoint may have a condition affecting functionality.

VCSEC may not function as expected. VCSEC may retain a last known valid value that is no longer accurate. Vehicle security and communication with consumer's authentication device may not function as expected.

Alerts

Alerts