MyTeslaMate App

Signal Name	Description	Condition	Impact
VCLEFT_a130_epbLimpActivated	Limp mode activated	Any critical ECU requests limp	Vehicle will eventually apply brakes to bring vehicle to stop
VCLEFT_a161_windowUndercurrentR	Window current is too low while being driven	Measured window current is below a certain threshold for some minimum time	Window is possibly disconnected or shorted
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_a141_12VAuxPowerTrip	12V auxiliary power socket EFuse is tripped due to an overcurrent event, making the power socket unavailable.	12V auxiliary power socket overcurrent event.	12V auxilary power socket will be unavailable until left vehicle controller (VCLEFT) has reset or vehicle completes a sleep/wake cycle.
VCLEFT_a143_EGGLEFTVC_MIA	One or more of the expected CAN messages from the Etherloop Generalized Gateway Left (Core 1) were not received, indicating the EGGLEFTVC ECU may be unavailable (MIA).	The local ECU does not receive one or more of the expected messages from the EGGLEFTVC within the expected time frame.	Vehicle functions that depend on the EGGLEFTVC may be unavailable or may not function as expected.
VCLEFT_a139_NvmRedundancyLoss	The Electronic Parking Brake or Electronic Parking Brake Monitor took longer than expected to save caliper state in non-volatile memory.	Caliper state saved to Electronic Parking Brake and Electronic Parking Brake Monitor mismatched for more than 500ms	Non-volatile memory error due to Electronic Parking Brake and Electronic Parking Brake Monitor mismatch
VCLEFT_a138_NvmDualFailure	The Electronic Parking Brake and Electronic Parking Brake Monitor took longer than expected to save caliper state in non-volatile memory.	Caliper state saved to Electronic Parking Brake and Electronic Parking Brake Monitor mismatched	Non-volatile memory error due to Electronic Parking Brake and Electronic Parking Brake Monitor mismatch
VCLEFT_a138_consoleDoorAssist	A condition has been detected during an attempt to close the center console door, and the center console lid might not be closed correctly.	The left vehicle controller (VCLEFT) detects that the center console door switch has switched more than 6 times in 5 seconds.	Center console lid might not be closed correctly.
VCLEFT_a168_VCDOORRL_MIA	One or more of the messages the vehicle controller receives periodically from the rear left door controller (VCDOORRL) is not received, indicating the VCDOORRL may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the VCDOORRL within the expected time frame.	Vehicle functions that depend on the VCDOORRL 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_a125_RCU_MIA	One or more of the messages the vehicle controller receives periodically from the Redundant Controller Unit (RCU) is not received, indicating the RCU may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the RCU within the expected time frame.	Vehicle functions that depend on the RCU may be unavailable or may not function as expected.
VCLEFT_a131_PCSCOMMON_MIA	One or more of the messages the vehicle controller receives periodically from the power conversion system common interface (PCSCOMMON) electronic control unit (ECU) is not received, indicating the PCSCOMMON ECU may be unavailable (MIA).	One or more of the expected messages from the PCSCOMMON ECU is not received.	The vehicle may be unable to charge.
VCLEFT_a134_SteerColUpDownUnCal	Steering column up / down motor is not calibrated. The steering column will hit hard stops and not recall.	Steering column is uncalibrated. The calibration routine has not run, ran unsuccessfully, or the steering column reports that it reached an implausible up / down position.	Steering column hits hard stops during up / down adjustments and will not recall to the proper position
VCLEFT_a133_DI_MIA	One or more of the messages the vehicle controller receives periodically from the front drive inverter (DIF) electronic control unit (ECU) is not received, indicating the DIF ECU may be unavailable (MIA).	One or more of the expected messages from the DIF ECU is not received.	Vehicle speed and power may be limited. Thermal management system features depending on DIF functionality may be limited or unavailable.
VCLEFTS_a471_hvacIntakeUncalib	HVAC intake actuator is uncalibrated.	The intake actuator is not calibrated	HVAC performance may be reduced.
VCLEFT_a124_calOutOfBounds	The 0 drive offset current captured as calibration was higher than expected.	The calibration offset current measured when motor is not being driven was higher than 3.0 amps	Caliper, Electronic Parking Brake controller, or harness could be damaged. Components may be damaged by high temperatures
VCLEFT_a125_IdleVMismatch	The caliper may be disconnected.	The Electronic Parking Brake motor is idle, and the positive and negative lead's voltage measurement are more than 0.25V different	Electronic Parking Brake may not be able to apply or release
VCLEFT_a135_SteerColInOutUnCal	Steering column in / out motor is not calibrated. The steering column will hit hard stops and not recall.	Steering column is uncalibrated. The calibration routine has not run, ran unsuccessfully, or the steering column reports that it reached an implausible in / out position.	Steering column hits hard stops during in / out adjustments and will not recall to the proper position.
VCLEFT_a124_BB_MIA	One or more of the messages the vehicle controller receives periodically from the Brake Booster (BB) is not received, indicating the BB may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the BB within the expected time frame.	Vehicle functions that depend on the BB may be unavailable or may not function as expected.
VCLEFTS_a469_hvacIntakeFault	HVAC intake actuator faulted.	The intake actuator detected a fault (check context data for type of fault)	The heater and the A/C and heater may be disabled

VCLEFT_a130_epbLimpActivated

Limp mode activated

Any critical ECU requests limp

Vehicle will eventually apply brakes to bring vehicle to stop

VCLEFT_a161_windowUndercurrentR

Window current is too low while being driven

Measured window current is below a certain threshold for some minimum time

Window is possibly disconnected or shorted

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_a141_12VAuxPowerTrip

12V auxiliary power socket EFuse is tripped due to an overcurrent event, making the power socket unavailable.

12V auxiliary power socket overcurrent event.

12V auxilary power socket will be unavailable until left vehicle controller (VCLEFT) has reset or vehicle completes a sleep/wake cycle.

VCLEFT_a143_EGGLEFTVC_MIA

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

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

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

VCLEFT_a139_NvmRedundancyLoss

The Electronic Parking Brake or Electronic Parking Brake Monitor took longer than expected to save caliper state in non-volatile memory.

Caliper state saved to Electronic Parking Brake and Electronic Parking Brake Monitor mismatched for more than 500ms

Non-volatile memory error due to Electronic Parking Brake and Electronic Parking Brake Monitor mismatch

VCLEFT_a138_NvmDualFailure

The Electronic Parking Brake and Electronic Parking Brake Monitor took longer than expected to save caliper state in non-volatile memory.

Caliper state saved to Electronic Parking Brake and Electronic Parking Brake Monitor mismatched

Non-volatile memory error due to Electronic Parking Brake and Electronic Parking Brake Monitor mismatch

VCLEFT_a138_consoleDoorAssist

A condition has been detected during an attempt to close the center console door, and the center console lid might not be closed correctly.

The left vehicle controller (VCLEFT) detects that the center console door switch has switched more than 6 times in 5 seconds.

Center console lid might not be closed correctly.

VCLEFT_a168_VCDOORRL_MIA

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

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

Vehicle functions that depend on the VCDOORRL 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_a125_RCU_MIA

One or more of the messages the vehicle controller receives periodically from the Redundant Controller Unit (RCU) is not received, indicating the RCU may be unavailable (MIA).

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

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

VCLEFT_a131_PCSCOMMON_MIA

One or more of the messages the vehicle controller receives periodically from the power conversion system common interface (PCSCOMMON) electronic control unit (ECU) is not received, indicating the PCSCOMMON ECU may be unavailable (MIA).

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

The vehicle may be unable to charge.

VCLEFT_a134_SteerColUpDownUnCal

Steering column up / down motor is not calibrated. The steering column will hit hard stops and not recall.

Steering column is uncalibrated. The calibration routine has not run, ran unsuccessfully, or the steering column reports that it reached an implausible up / down position.

Steering column hits hard stops during up / down adjustments and will not recall to the proper position

VCLEFT_a133_DI_MIA

One or more of the messages the vehicle controller receives periodically from the front drive inverter (DIF) electronic control unit (ECU) is not received, indicating the DIF ECU may be unavailable (MIA).

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

Vehicle speed and power may be limited. Thermal management system features depending on DIF functionality may be limited or unavailable.

VCLEFTS_a471_hvacIntakeUncalib

HVAC intake actuator is uncalibrated.

The intake actuator is not calibrated

HVAC performance may be reduced.

VCLEFT_a124_calOutOfBounds

The 0 drive offset current captured as calibration was higher than expected.

The calibration offset current measured when motor is not being driven was higher than 3.0 amps

Caliper, Electronic Parking Brake controller, or harness could be damaged. Components may be damaged by high temperatures

VCLEFT_a125_IdleVMismatch

The caliper may be disconnected.

The Electronic Parking Brake motor is idle, and the positive and negative lead's voltage measurement are more than 0.25V different

Electronic Parking Brake may not be able to apply or release

VCLEFT_a135_SteerColInOutUnCal

Steering column in / out motor is not calibrated. The steering column will hit hard stops and not recall.

Steering column is uncalibrated. The calibration routine has not run, ran unsuccessfully, or the steering column reports that it reached an implausible in / out position.

Steering column hits hard stops during in / out adjustments and will not recall to the proper position.

VCLEFT_a124_BB_MIA

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

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

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

VCLEFTS_a469_hvacIntakeFault

HVAC intake actuator faulted.

The intake actuator detected a fault (check context data for type of fault)

The heater and the A/C and heater may be disabled

Alerts

Alerts