MyTeslaMate App

Signal Name	Description	Condition	Impact	Important
VCLEFTP_a313_fifthWheelLatchSolenoidFault	The fifth wheel latch solenoid has encountered an electrical fault (short, disconnect or internal).	The fifth wheel latch solenoid alone may be consuming less than 0.2 Amps or more than 1.35 Amps when active	Pneumatic fifth wheel functions may be limited	No
VCLEFTP_a314_fifthWheelSlideSolenoidFault	The fifth wheel slide solenoid has encountered an electrical fault (short, disconnect or internal).	The fifth wheel slide solenoid alone may be consuming less than 0.2 Amps or more than 1.35 Amps when active	Pneumatic fifth wheel functions may be limited	No
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.	No
VCLEFTP_a295_buckleFaultedJumpSeat	The jump seat buckle sensor is faulted.	Buckle sensor is out of spec	Cannot determine buckle of the seat	No
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.	No
VCLEFTP_a276_supportedByLVReserve	One or more of the DCDC converters (STITCHes) may have stopped supporting the vehicle. The vehicle is relying on auxiliary low voltage (LV) battery power.	DCDCs are reported off or the low voltage power is below expected voltage.	Vehicle dependent on auxiliary low voltage (LV) battery, and electrical system may lose power when the LV battery is depleted.	No
VCLEFTP_a471_manualReleaseSwitchFault	The left cabin door microswitch for the manual release cover detects a voltage that indicates there is a short or open circuit, or the state of the microswitch is unknown.	The microswitch for the manual release cover on the left cabin door reports a voltage that indicates there is a short or open circuit, or the state of the manual release cover is unable to determined.	If the current state of the manual release cover is unknown, a warning may not be present to inform the user that the manual release should not be activated while the vehicle is in motion.	No
VCLEFTP_a296_foldSensorFaultedJumpSeat	The jump seat fold sensor is faulted.	Fold sensor is out of spec	Cannot determine fold position of the seat	No
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.	No
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.	No
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.	No
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.	No
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	No
VCLEFTP_a138_doorHarnessDisconnected	Switch voltages indicate door harness is not connected.	Door harness has come unconnected	Endpoints on the door will not work.	No
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.	No
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.	No
VCLEFTS_a083_DIRE1L	One or more of the expected CAN messages from Drive Inverter Rear Axle 1 Left (DIRE1L) were not received while in drive.	A message the local ECU expects to receive from the Drive Inverter Rear Axle 1 Left ECU (DIRE1L) hasn't been received within the expected timeout or the drop rate is too high while the DIRE1L 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.	No
VCLEFTP_a275_leftRearTurnOrBrakeLightFault	A fault has been detected with the left rear turn or brake light.	The left rear turn or brake light driver has reported a fault.	The left rear turn or brake light may not be working.	No
VCLEFTS_a085_DIRE	One or more of the expected CAN messages from Drive Inverter Rear Axle (DIRE) were not received while in drive.	A message the local ECU expects to receive from the Drive Inverter Rear Axle ECU (DIRE) hasn't been received within the expected timeout or the drop rate is too high while the DIRE 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.	No
VCLEFTS_a088_SAS_MIA	One of more of the expected CAN messages from SAS (Steering Angle Sensor) were not received.	A message the local ECU expects to receive from the SAS (Steering Angle Sensor) ECU hasn't been received within the expected timeout or the drop rate is too high while the SAS is CAN active. The ECU is considered CAN active when VCLEFTS_vehGoToSleep is 0 AND VCLEFTS_vehiclePowerState is VEHICLE_POWER_STATE_DRIVE.	Automatic turn signal cancelling may be degraded.	No

VCLEFTP_a313_fifthWheelLatchSolenoidFault

The fifth wheel latch solenoid has encountered an electrical fault (short, disconnect or internal).

The fifth wheel latch solenoid alone may be consuming less than 0.2 Amps or more than 1.35 Amps when active

Pneumatic fifth wheel functions may be limited

No

VCLEFTP_a314_fifthWheelSlideSolenoidFault

The fifth wheel slide solenoid has encountered an electrical fault (short, disconnect or internal).

The fifth wheel slide solenoid alone may be consuming less than 0.2 Amps or more than 1.35 Amps when active

Pneumatic fifth wheel functions may be limited

No

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.

No

VCLEFTP_a295_buckleFaultedJumpSeat

The jump seat buckle sensor is faulted.

Buckle sensor is out of spec

Cannot determine buckle of the seat

No

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.

No

VCLEFTP_a276_supportedByLVReserve

One or more of the DCDC converters (STITCHes) may have stopped supporting the vehicle. The vehicle is relying on auxiliary low voltage (LV) battery power.

DCDCs are reported off or the low voltage power is below expected voltage.

Vehicle dependent on auxiliary low voltage (LV) battery, and electrical system may lose power when the LV battery is depleted.

No

VCLEFTP_a471_manualReleaseSwitchFault

The left cabin door microswitch for the manual release cover detects a voltage that indicates there is a short or open circuit, or the state of the microswitch is unknown.

The microswitch for the manual release cover on the left cabin door reports a voltage that indicates there is a short or open circuit, or the state of the manual release cover is unable to determined.

If the current state of the manual release cover is unknown, a warning may not be present to inform the user that the manual release should not be activated while the vehicle is in motion.

No

VCLEFTP_a296_foldSensorFaultedJumpSeat

The jump seat fold sensor is faulted.

Fold sensor is out of spec

Cannot determine fold position of the seat

No

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.

No

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.

No

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.

No

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.

No

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

No

VCLEFTP_a138_doorHarnessDisconnected

Switch voltages indicate door harness is not connected.

Door harness has come unconnected

Endpoints on the door will not work.

No

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.

No

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.

No

VCLEFTS_a083_DIRE1L

One or more of the expected CAN messages from Drive Inverter Rear Axle 1 Left (DIRE1L) were not received while in drive.

A message the local ECU expects to receive from the Drive Inverter Rear Axle 1 Left ECU (DIRE1L) hasn't been received within the expected timeout or the drop rate is too high while the DIRE1L 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.

No

VCLEFTP_a275_leftRearTurnOrBrakeLightFault

A fault has been detected with the left rear turn or brake light.

The left rear turn or brake light driver has reported a fault.

The left rear turn or brake light may not be working.

No

VCLEFTS_a085_DIRE

One or more of the expected CAN messages from Drive Inverter Rear Axle (DIRE) were not received while in drive.

A message the local ECU expects to receive from the Drive Inverter Rear Axle ECU (DIRE) hasn't been received within the expected timeout or the drop rate is too high while the DIRE 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.

No

VCLEFTS_a088_SAS_MIA

One of more of the expected CAN messages from SAS (Steering Angle Sensor) were not received.

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

Automatic turn signal cancelling may be degraded.

No

Alerts

Alerts