MyTeslaMate App

Signal Name	Description	Condition	Impact
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_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_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_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_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_a154_windowThermalFront	Window thermal protection mode engaged	Repeated window cycling in a short period of time	No user-initiated down/closing movement permitted in THERMAL_ALERT mode, no user-initiated movement permitted in THERMAL_CRITICAL mode
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_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.
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_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_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_a121_ETC_MIA	One or more of the messages the vehicle controller receives periodically from the electronic toll collection (ETC) is not received, indicating the ETC may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the ETC within the expected time frame.	Vehicle functions that depend on the ETC 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_a122_Oc	Motor current was higher than expected.	Motor current measurement, with calibration offset subtracted, was higher than 17 amps.	Caliper motor or harness may be damaged
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_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.
VCLEFT_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.
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_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_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_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_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_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_a154_windowThermalFront

Window thermal protection mode engaged

Repeated window cycling in a short period of time

No user-initiated down/closing movement permitted in THERMAL_ALERT mode, no user-initiated movement permitted in THERMAL_CRITICAL mode

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_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.

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_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_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_a121_ETC_MIA

One or more of the messages the vehicle controller receives periodically from the electronic toll collection (ETC) is not received, indicating the ETC may be unavailable (MIA).

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

Vehicle functions that depend on the ETC 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_a122_Oc

Motor current was higher than expected.

Motor current measurement, with calibration offset subtracted, was higher than 17 amps.

Caliper motor or harness may be damaged

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_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.

VCLEFT_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.

VCLEFT_a117_VCLEFT_MIA