MyTeslaMate App

Signal Name	Description	Condition	Impact
VCLEFT_a144_EGGRIGHT1_MIA	One or more of the expected CAN messages from the Etherloop Generalized Gateway Right (Core 1) were not received, indicating the EGGRIGHT1 ECU may be unavailable (MIA).	The local ECU does not receive one or more of the expected messages from the EGGRIGHT1 within the expected time frame.	Vehicle functions that depend on the EGGRIGHT1 may be unavailable or may not function as expected.
VCLEFT_a117_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.
VCLEFT_a117_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.
VCLEFT_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.
VCLEFT_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.
VCLEFT_a145_epbRecoveryLimpActivated	Recovery limp mode activated based on user acknowledgment of possible shutdown and limited drive torque / functionality.	User acknowledges limited drive torque and possible shutdown, after steering system has been detected as partially compromised and vehicle has been brought to a stop, and shifts out of Park.	Vehicle speed limited to less than 5 mph. Brakes eventually applied automatically to bring vehicle to a stop.
VCLEFT_a130_epbLimpActivated	Limp mode activated	Any critical ECU requests limp	Vehicle will eventually apply brakes to bring vehicle to stop
VCLEFT_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.
VCLEFT_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.
VCLEFT_a112_EPBL_MIA	One or more of the messages the vehicle controller receives periodically from the left Electronic Park Brake (EPBL) electronic control unit (ECU) is not received, indicating the EPBL ECU may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the EPBL ECU within the expected time frame.	The parking brake may be unavailable or may not function as expected.
VCLEFT_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.
VCLEFT_a162_windowEncoderStallF	Window encoder ticks not seen while the front window motor is being driven: This suggests something is disconnected, shorted, or the controller voltage supply for the encoders is < 9V	Window motor is being driven and no encoder feedback is seen within 500 ms	Window motor is possibly disconnected or shorted
VCLEFT_a107_ICR_MIA	One or more expected controller area network (CAN) messages from the interior cabin radar (ICR) electronic control unit (ECU) was not received.	An expected CAN message from the ICR ECU has not been received within the expected timeout, or the CAN message drop rate is too high while the ICR is CAN active.	Intrusion alarm functionality may be missing.
VCLEFT_a145_brakeSwitchStuck	Brake pedal switch has been set too long and is likely stuck	Brake pedal switch feedback line or CAN signal is set for more than one hour while DI_gear is P, SNA or Unavailable	Car will stay in drive state leading to excessive energy loss while idle and inhibit walk away lock
VCLEFT_a146_pmWatchdogResetFailed	Failed to reset PM external watchdog	PM reset but still updating messages on CAN	PM may continue to produce same errors that triggered the initial reset
VCLEFT_a144_pmWatchdogReset	PM being reset for exceeding max allowed amount of errors	Max amount of errors in PM external watchdog responses exceeded	PM MIA and communication between VCLEFT and PM degraded
VCLEFT_a150_windowPinchFront	Window pinch event detected	Window pinch condition detected, see alert payload for pinch reason	Window will not complete actuation and reverse
VCLEFT_a137_PvUv	Motor positive lead voltage is lower than expected while active	The positive lead voltage measurement is lower than expected. The expected value is the lower of 16.5 volts, or the estimated PWM voltage.	Caliper motor or harness may be damaged
VCLEFT_a142_eFuseManagementContinuous16V	Unexpected voltage seen on continuous device outputs	Voltage is above 10V for 200ms on at least one of the device outputs while none of them are being driven	Electrical loads for Hydraulic Control Unit (HCU) Electronic Stability Program (ESP) Anti-lock Braking System (ABS) wake line, 1st row seat backrest ventilation fan, 1st row seat cushion ventilation fan, spare (frunk, console, side) High-Side Drivers (HSDs), frunk emergency release switch LED, footwell LED, and B-pillar camera heater may be unavailable.
VCLEFT_a134_NvOv	Motor negative lead voltage is higher than expected while active	The negative lead voltage measurement is higher than expected. This could be higher than 0.1 voltages if motor is driven in apply direction, or higher than estimated PWM voltage if driven in the release direction.	Caliper motor or harness may be damaged

VCLEFT_a144_EGGRIGHT1_MIA

One or more of the expected CAN messages from the Etherloop Generalized Gateway Right (Core 1) were not received, indicating the EGGRIGHT1 ECU may be unavailable (MIA).

The local ECU does not receive one or more of the expected messages from the EGGRIGHT1 within the expected time frame.

Vehicle functions that depend on the EGGRIGHT1 may be unavailable or may not function as expected.

VCLEFT_a117_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.

VCLEFT_a117_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.

VCLEFT_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.

VCLEFT_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.

VCLEFT_a145_epbRecoveryLimpActivated

Recovery limp mode activated based on user acknowledgment of possible shutdown and limited drive torque / functionality.

User acknowledges limited drive torque and possible shutdown, after steering system has been detected as partially compromised and vehicle has been brought to a stop, and shifts out of Park.

Vehicle speed limited to less than 5 mph. Brakes eventually applied automatically to bring vehicle to a stop.

VCLEFT_a130_epbLimpActivated

Limp mode activated

Any critical ECU requests limp

Vehicle will eventually apply brakes to bring vehicle to stop

VCLEFT_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.

VCLEFT_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.

VCLEFT_a112_EPBL_MIA

One or more of the messages the vehicle controller receives periodically from the left Electronic Park Brake (EPBL) electronic control unit (ECU) is not received, indicating the EPBL ECU may be unavailable (MIA).

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

The parking brake may be unavailable or may not function as expected.

VCLEFT_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.

VCLEFT_a162_windowEncoderStallF

Window encoder ticks not seen while the front window motor is being driven: This suggests something is disconnected, shorted, or the controller voltage supply for the encoders is < 9V

Window motor is being driven and no encoder feedback is seen within 500 ms

Window motor is possibly disconnected or shorted

VCLEFT_a107_ICR_MIA

One or more expected controller area network (CAN) messages from the interior cabin radar (ICR) electronic control unit (ECU) was not received.

An expected CAN message from the ICR ECU has not been received within the expected timeout, or the CAN message drop rate is too high while the ICR is CAN active.

Intrusion alarm functionality may be missing.

VCLEFT_a145_brakeSwitchStuck

Brake pedal switch has been set too long and is likely stuck

Brake pedal switch feedback line or CAN signal is set for more than one hour while DI_gear is P, SNA or Unavailable

Car will stay in drive state leading to excessive energy loss while idle and inhibit walk away lock

VCLEFT_a146_pmWatchdogResetFailed

Failed to reset PM external watchdog

PM reset but still updating messages on CAN

PM may continue to produce same errors that triggered the initial reset

VCLEFT_a144_pmWatchdogReset

PM being reset for exceeding max allowed amount of errors

Max amount of errors in PM external watchdog responses exceeded

PM MIA and communication between VCLEFT and PM degraded

VCLEFT_a150_windowPinchFront

Window pinch event detected

Window pinch condition detected, see alert payload for pinch reason

Window will not complete actuation and reverse

VCLEFT_a137_PvUv

Motor positive lead voltage is lower than expected while active

The positive lead voltage measurement is lower than expected. The expected value is the lower of 16.5 volts, or the estimated PWM voltage.

Caliper motor or harness may be damaged

VCLEFT_a142_eFuseManagementContinuous16V

Unexpected voltage seen on continuous device outputs

Voltage is above 10V for 200ms on at least one of the device outputs while none of them are being driven

Electrical loads for Hydraulic Control Unit (HCU) Electronic Stability Program (ESP) Anti-lock Braking System (ABS) wake line, 1st row seat backrest ventilation fan, 1st row seat cushion ventilation fan, spare (frunk, console, side) High-Side Drivers (HSDs), frunk emergency release switch LED, footwell LED, and B-pillar camera heater may be unavailable.

VCLEFT_a134_NvOv

Motor negative lead voltage is higher than expected while active

The negative lead voltage measurement is higher than expected. This could be higher than 0.1 voltages if motor is driven in apply direction, or higher than estimated PWM voltage if driven in the release direction.

Caliper motor or harness may be damaged

Alerts

Alerts