MyTeslaMate App

Signal Name	Description	Condition	Impact
VCLEFTP_a138_doorHarnessDisconnected	Switch voltages indicate door harness is not connected.	Door harness has come unconnected	Endpoints on the door will not work.
VCLEFTP_a294_driverLeftWithTractorUnparked	The occupancy and buckle sensors have detected that the driver unbuckled their seatbelt or left their seat with the tractor parking brake disengaged.	The driver seat buckle and occupancy sensors detect an unbuckling of the seatbelt, or that the seat is unoccupied and the seat belt is unbuckled, while the tractor air status is not exhausted.	Vehicle may roll away.
VCLEFTP_a182_emergencyLatchRel	The primary left vehicle controller (VCLEFTP) detects the emergency mechanical latch release was used to open the left cab door.	The emergency mechanical latch release was used to open the left cab door.	If the latch is used, the door will open, even if the vehicle is being driven.
VCLEFTS_a417_TAS_unexpectedCurrentExhaustValve	The exhaust air valve has faulted.	An unexpected current was measured on the exhaust air valve	The air suspension system may not work as intended
VCLEFTP_a132_TAS_PWMopenFL	Front left height sensor disconnected, or signal line from front left Pulse Width Modulation (PWM) height sensor floating.	Front left height sensor disconnected, or signal line from front left PWM height sensor floating.	Air suspension leveling will be disabled. Systems with adaptive dampers will disable active damping control.
VCLEFTP_a121_IAPU_MIA	One or more of the expected CAN messages from the Intelligent Air Processing Unit (IAPU) were not received.	A message the local ECU expects to receive from the Intelligent Air Processing Unit (IAPU) hasn't been received within the expected timeout or the drop rate is too high while the IAPU is CAN active.	Air suspension leveling may not be available.
VCLEFTP_a133_TAS_PWMopenM	Mid height sensor disconnected, or signal line from mid Pulse Width Modulation (PWM) height sensor floating.	Mid height sensor disconnected, or signal line from mid PWM height sensor floating.	Air suspension leveling will be disabled. Systems with adaptive dampers will disable active damping control.
VCLEFTP_a122_DI_MIA	One or more of the expected CAN messages from the Drive Interface (DI) were not received.	A message the local ECU expects to receive from the Drive Interface ECU (DI) hasn't been received within the expected timeout or the drop rate is too high while the DI is CAN active.	Functionality dependent on wheel speed may be missing.
VCLEFTP_a134_TAS_PWMerrorFL	Abnormal Pulse Width Modulation (PWM) signal received from front left PWM height sensor.	Abnormal PWM signal received from front left ride height sensor.	Air suspension leveling will be disabled. Systems with adaptive dampers will disable active damping control.
VCLEFTP_a119_SCCM_MIA	One or more of the expected CAN messages from the Steering Column Control Module (SCCM) were not received.	A message the local ECU expects to receive from the Steering Column Control Module ECU (SCCM) hasn't been received within the expected timeout or the drop rate is too high while the SCCM is CAN active. The ECU is considered CAN active when VCLEFTS_vehGoToSleep is 0 AND VCFRONT_sccmLVRequest is LV_ON.	Shifter functionality may be missing.
VCLEFTP_a120_DI_DRIVE_MIA	One or more of the expected CAN messages from the Drive Interface (DI) were not received while in drive.	A message the local ECU expects to receive from the Drive Interface ECU (DI) hasn't been received within the expected timeout or the drop rate is too high while the DI is CAN active. The ECU is considered CAN active when VCLEFTS_vehGoToSleep is 0 AND VCLEFTS_vehiclePowerState is VEHICLE_POWER_STATE_DRIVE.	Drive functionality may be missing.
VCLEFTP_a135_TAS_PWMerrorM	Abnormal Pulse Width Modulation (PWM) signal received from mid PWM height sensor.	Abnormal PWM signal received from mid ride height sensor.	Air suspension leveling will be disabled. Systems with adaptive dampers will disable active damping control.
VCLEFTS_a139_evaporatorTempSns	The evaporator temperature sensor has an electrical fault.	The sensor is disconnected or short-circuited to ground	HVAC performance may be limited
VCLEFTP_a470_manualReleaseCoverRemoved	While the tractor parking brake is disengaged, the primary left vehicle controller (VCLEFTP) detects the manual release cover for the left cabin door has been removed, exposing the manual release cord.	The VCLEFTP detects a voltage indicating the microswitch for the manual release cover on the left cabin door is not pressed while the tractor parking brake is disengaged.	If the manual release cover is removed while the tractor parking brake is disengaged, a warning will be present on the user interface (UI) informing the user that the manual release should not be pulled.
VCLEFTP_a107_BMS_MIA	One or more of the expected CAN messages from the High Voltage Battery Management System (BMS) were not received.	A message the local ECU expects to receive from the High Voltage Battery Management System ECU (BMS) hasn't been received within the expected timeout or the drop rate is too high while the BMS is CAN active. The ECU is considered CAN active when VCFRONT_hvsGoToSleep is 0.	Drive and charging functionality may be missing.
VCLEFTP_a109_RCM_MIA	One or more of the expected CAN messages from the Restraint Control Module (RCM) were not received.	A message the local ECU expects to receive from the Restraint Control Module ECU (RCM) hasn't been received within the expected timeout or the drop rate is too high while the RCM is CAN active. The ECU is considered CAN active when VCFRONT_privateGoToSleep is 0 AND VCFRONT_rcmLVRequest is LV_ON.	Functionality associated with the RCM may be missing.
VCLEFTP_a110_GTW_MIA	One or more expected Controller Area Network (CAN) messages from the vehicle gateway (GTW) was not received. Vehicle functions that depend on CAN messages from the GTW may be unavailable, or their performance may be affected.	An expected CAN message from the vehicle gateway (GTW) has not been received within the expected timeout, or the message drop rate is too high while the GTW is CAN active. The GTW is considered CAN active when VCLEFTS_vehGoToSleep is 0.	Vehicle functions that depend on CAN messages from the vehicle gateway (GTW) may be unavailable, or their performance may be affected.
VCLEFTS_a150_refrigDischTempSns	The refrigerant discharge temperature sensor has an electrical fault (disconnect, short or internal). HVAC cabin cooling (air conditioning) and powertrain performance may be limited.	The sensor reads a power rail or ground reference voltage.	HVAC cabin cooling (air conditioning) and powertrain performance may be limited.
VCLEFTP_a092_VCSEATD_MIA	One or more of the expected CAN messages from Driver Seat Controller (VCSEATD) were not received.	A message the local ECU expects to receive from the Driver Seat Controller ECU (VCSEATD) hasn't been received within the expected timeout or the drop rate is too high while the VCSEATD is CAN active. The ECU is considered CAN active when VCFRONT_chGoToSleep is 0.	Seat control functionality may be missing.
VCLEFTP_a103_CP_MIA	One or more of the expected CAN messages from the ChargePort (CP) were not received.	A message the local ECU expects to receive from the ChargePort ECU (CP) hasn't been received within the expected timeout or the drop rate is too high while the CP is CAN active. The ECU is considered CAN active when VCFRONT_hvsGoToSleep is 0 AND VCFRONT_cpLVRequest is LV_ON.	Charging functionality may be missing.

VCLEFTP_a138_doorHarnessDisconnected

Switch voltages indicate door harness is not connected.

Door harness has come unconnected

Endpoints on the door will not work.

VCLEFTP_a294_driverLeftWithTractorUnparked

The occupancy and buckle sensors have detected that the driver unbuckled their seatbelt or left their seat with the tractor parking brake disengaged.

The driver seat buckle and occupancy sensors detect an unbuckling of the seatbelt, or that the seat is unoccupied and the seat belt is unbuckled, while the tractor air status is not exhausted.

Vehicle may roll away.

VCLEFTP_a182_emergencyLatchRel

The primary left vehicle controller (VCLEFTP) detects the emergency mechanical latch release was used to open the left cab door.

The emergency mechanical latch release was used to open the left cab door.

If the latch is used, the door will open, even if the vehicle is being driven.

VCLEFTS_a417_TAS_unexpectedCurrentExhaustValve

The exhaust air valve has faulted.

An unexpected current was measured on the exhaust air valve

The air suspension system may not work as intended

VCLEFTP_a132_TAS_PWMopenFL

Front left height sensor disconnected, or signal line from front left Pulse Width Modulation (PWM) height sensor floating.

Front left height sensor disconnected, or signal line from front left PWM height sensor floating.

Air suspension leveling will be disabled. Systems with adaptive dampers will disable active damping control.

VCLEFTP_a121_IAPU_MIA

One or more of the expected CAN messages from the Intelligent Air Processing Unit (IAPU) were not received.

A message the local ECU expects to receive from the Intelligent Air Processing Unit (IAPU) hasn't been received within the expected timeout or the drop rate is too high while the IAPU is CAN active.

Air suspension leveling may not be available.

VCLEFTP_a133_TAS_PWMopenM

Mid height sensor disconnected, or signal line from mid Pulse Width Modulation (PWM) height sensor floating.

Mid height sensor disconnected, or signal line from mid PWM height sensor floating.

Air suspension leveling will be disabled. Systems with adaptive dampers will disable active damping control.

VCLEFTP_a122_DI_MIA

One or more of the expected CAN messages from the Drive Interface (DI) were not received.

A message the local ECU expects to receive from the Drive Interface ECU (DI) hasn't been received within the expected timeout or the drop rate is too high while the DI is CAN active.

Functionality dependent on wheel speed may be missing.

VCLEFTP_a134_TAS_PWMerrorFL

Abnormal Pulse Width Modulation (PWM) signal received from front left PWM height sensor.

Abnormal PWM signal received from front left ride height sensor.

Air suspension leveling will be disabled. Systems with adaptive dampers will disable active damping control.

VCLEFTP_a119_SCCM_MIA

One or more of the expected CAN messages from the Steering Column Control Module (SCCM) were not received.

A message the local ECU expects to receive from the Steering Column Control Module ECU (SCCM) hasn't been received within the expected timeout or the drop rate is too high while the SCCM is CAN active. The ECU is considered CAN active when VCLEFTS_vehGoToSleep is 0 AND VCFRONT_sccmLVRequest is LV_ON.

Shifter functionality may be missing.

VCLEFTP_a120_DI_DRIVE_MIA

One or more of the expected CAN messages from the Drive Interface (DI) were not received while in drive.

A message the local ECU expects to receive from the Drive Interface ECU (DI) hasn't been received within the expected timeout or the drop rate is too high while the DI is CAN active. The ECU is considered CAN active when VCLEFTS_vehGoToSleep is 0 AND VCLEFTS_vehiclePowerState is VEHICLE_POWER_STATE_DRIVE.

Drive functionality may be missing.

VCLEFTP_a135_TAS_PWMerrorM

Abnormal Pulse Width Modulation (PWM) signal received from mid PWM height sensor.

Abnormal PWM signal received from mid ride height sensor.

Air suspension leveling will be disabled. Systems with adaptive dampers will disable active damping control.

VCLEFTS_a139_evaporatorTempSns

The evaporator temperature sensor has an electrical fault.

The sensor is disconnected or short-circuited to ground

HVAC performance may be limited

VCLEFTP_a470_manualReleaseCoverRemoved

While the tractor parking brake is disengaged, the primary left vehicle controller (VCLEFTP) detects the manual release cover for the left cabin door has been removed, exposing the manual release cord.

The VCLEFTP detects a voltage indicating the microswitch for the manual release cover on the left cabin door is not pressed while the tractor parking brake is disengaged.

If the manual release cover is removed while the tractor parking brake is disengaged, a warning will be present on the user interface (UI) informing the user that the manual release should not be pulled.

VCLEFTP_a107_BMS_MIA

One or more of the expected CAN messages from the High Voltage Battery Management System (BMS) were not received.

A message the local ECU expects to receive from the High Voltage Battery Management System ECU (BMS) hasn't been received within the expected timeout or the drop rate is too high while the BMS is CAN active. The ECU is considered CAN active when VCFRONT_hvsGoToSleep is 0.

Drive and charging functionality may be missing.

VCLEFTP_a109_RCM_MIA

One or more of the expected CAN messages from the Restraint Control Module (RCM) were not received.

A message the local ECU expects to receive from the Restraint Control Module ECU (RCM) hasn't been received within the expected timeout or the drop rate is too high while the RCM is CAN active. The ECU is considered CAN active when VCFRONT_privateGoToSleep is 0 AND VCFRONT_rcmLVRequest is LV_ON.

Functionality associated with the RCM may be missing.

VCLEFTP_a110_GTW_MIA

One or more expected Controller Area Network (CAN) messages from the vehicle gateway (GTW) was not received. Vehicle functions that depend on CAN messages from the GTW may be unavailable, or their performance may be affected.

An expected CAN message from the vehicle gateway (GTW) has not been received within the expected timeout, or the message drop rate is too high while the GTW is CAN active. The GTW is considered CAN active when VCLEFTS_vehGoToSleep is 0.

Vehicle functions that depend on CAN messages from the vehicle gateway (GTW) may be unavailable, or their performance may be affected.

VCLEFTS_a150_refrigDischTempSns

The refrigerant discharge temperature sensor has an electrical fault (disconnect, short or internal). HVAC cabin cooling (air conditioning) and powertrain performance may be limited.

The sensor reads a power rail or ground reference voltage.

HVAC cabin cooling (air conditioning) and powertrain performance may be limited.

VCLEFTP_a092_VCSEATD_MIA

One or more of the expected CAN messages from Driver Seat Controller (VCSEATD) were not received.

A message the local ECU expects to receive from the Driver Seat Controller ECU (VCSEATD) hasn't been received within the expected timeout or the drop rate is too high while the VCSEATD is CAN active. The ECU is considered CAN active when VCFRONT_chGoToSleep is 0.

Seat control functionality may be missing.

VCLEFTP_a103_CP_MIA

One or more of the expected CAN messages from the ChargePort (CP) were not received.

A message the local ECU expects to receive from the ChargePort ECU (CP) hasn't been received within the expected timeout or the drop rate is too high while the CP is CAN active. The ECU is considered CAN active when VCFRONT_hvsGoToSleep is 0 AND VCFRONT_cpLVRequest is LV_ON.

Charging functionality may be missing.

Alerts

Alerts