MyTeslaMate App

Signal Name	Description	Condition	Impact
VCTRAILER_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.
VCTRAILER_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.
VCTRAILER_a108_DIF_MIA	One or more of the expected CAN messages from the front drive inverter (DIF) was not received.	A message the local ECU expects to receive from the DIF ECU has not been received within the expected timeout or the drop rate is too high while the DIF is CAN active.	Drive functionality may be missing.
VCTRAILER_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.
VCTPMS_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.
VCTRAILER_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.
VCTRAILER_a115_VCSEC_MIA	One or more of the messages the vehicle controller receives periodically from the security (VCSEC) electronic control unit (ECU) 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.	Vehicle functions that depend on the VCSEC may be unavailable or may not function as expected.
VCTRAILER_a116_VCLEFT_MIA	One or more of the messages the vehicle controller receives periodically from the left vehicle controller (VCLEFT) is not received, indicating the VCLEFT may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the VCLEFT within the expected time frame.	Vehicle functions that depend on the VCLEFT may be unavailable or may not function as expected.
VCTRAILER_a118_VCTRAILER_MIA	One or more of the messages the vehicle controller receives periodically from the trailer vehicle controller (VCTRAILER) is not received, indicating the VCTRAILER may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the VCTRAILER within the expected time frame.	Vehicle functions that depend on the VCTRAILER may be unavailable or may not function as expected.
VCTRAILER_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.
VCTPMS_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.
VCTPMS_a165_TPMSSoftWarning	One or more tires may be underinflated or leaking.	At least one sensor reports pressure under allowed percentage of recommended cold pressured (RCP)	TPMS telltale and poor vehicle performance
VCTPMS_a171_TPMSSoftWarningRear1Right1	One of the right drive axle tires may be slightly underinflated or leaking.	Sensor reports pressure under allowed percentage of recommended cold pressure (RCP)	TPMS telltale and poor vehicle performance
VCTRAILER_a201_hsdTestFailed	The vehicle trailer controller (VCTRAILER) ran a High Side Field-Effect Transistor (FET) functional test, but the voltage feedback was below the necessary threshold to confirm High Side FET functionality.	High Side FET functional test does not measure voltage greater than 2V, but a trailer is still detected based on open electrical load.	Trailer brakes may be unavailable or may not function as expected.
VCTPMS_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.
VCTRAILER_a205_adcIssue	The trailer controller (VCTRAILER) detected that either the analog-to-digital converter (ADC) is no longer producing measurements or the measurements may be unreliable	No new ADC samples for 50ms or 10V5 rail measurement is out of range	Trailer brakes may become inoperative unexpectedly
VCTRAILER_a208_brakeCalibrationNotRun	The trailer controller (VCTRAILER) was not able to run the trailer brake calibration at the start of the drive cycle	Parking brake not applied at the beginning of drive cycle	Trailer brakes may be inoperative
VCTRAILER_a209_auxConverterTripped	The trailer controller (VCTRAILER) detected that the trailer aux converter was turned off due to a tripped fuse	Aux converter output detected off	Trailer brakes may be inoperative
VCTPMS_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.
VCTPMS_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.

VCTRAILER_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.

VCTRAILER_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.

VCTRAILER_a108_DIF_MIA

One or more of the expected CAN messages from the front drive inverter (DIF) was not received.

A message the local ECU expects to receive from the DIF ECU has not been received within the expected timeout or the drop rate is too high while the DIF is CAN active.

Drive functionality may be missing.

VCTRAILER_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.

VCTPMS_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.

VCTRAILER_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.

VCTRAILER_a115_VCSEC_MIA

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

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

VCTRAILER_a116_VCLEFT_MIA

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

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

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

VCTRAILER_a118_VCTRAILER_MIA

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

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

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

VCTRAILER_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.

VCTPMS_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.

VCTPMS_a165_TPMSSoftWarning

One or more tires may be underinflated or leaking.

At least one sensor reports pressure under allowed percentage of recommended cold pressured (RCP)

TPMS telltale and poor vehicle performance

VCTPMS_a171_TPMSSoftWarningRear1Right1

One of the right drive axle tires may be slightly underinflated or leaking.

Sensor reports pressure under allowed percentage of recommended cold pressure (RCP)

TPMS telltale and poor vehicle performance

VCTRAILER_a201_hsdTestFailed

The vehicle trailer controller (VCTRAILER) ran a High Side Field-Effect Transistor (FET) functional test, but the voltage feedback was below the necessary threshold to confirm High Side FET functionality.

High Side FET functional test does not measure voltage greater than 2V, but a trailer is still detected based on open electrical load.

Trailer brakes may be unavailable or may not function as expected.

VCTPMS_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.

VCTRAILER_a205_adcIssue

The trailer controller (VCTRAILER) detected that either the analog-to-digital converter (ADC) is no longer producing measurements or the measurements may be unreliable

No new ADC samples for 50ms or 10V5 rail measurement is out of range

Trailer brakes may become inoperative unexpectedly

VCTRAILER_a208_brakeCalibrationNotRun

The trailer controller (VCTRAILER) was not able to run the trailer brake calibration at the start of the drive cycle

Parking brake not applied at the beginning of drive cycle

Trailer brakes may be inoperative

VCTRAILER_a209_auxConverterTripped

The trailer controller (VCTRAILER) detected that the trailer aux converter was turned off due to a tripped fuse

Aux converter output detected off

Trailer brakes may be inoperative

VCTPMS_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.

VCTPMS_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.

Alerts

Alerts