Alerts
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| Signal Name | Description | Condition | Impact | Important |
|---|---|---|---|---|
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A fault has been detected with the tail light.
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The tail light driver has reported a fault.
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The tail light may not be working.
|
No
|
|
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The fifth wheel latch solenoid has encountered an electrical fault (short, disconnect or internal).
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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
|
|
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The fifth wheel slide solenoid has encountered an electrical fault (short, disconnect or internal).
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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
|
|
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The jump seat fold sensor is faulted.
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Fold sensor is out of spec
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Cannot determine fold position of the seat
|
No
|
|
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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.
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DCDCs are reported off or the low voltage power is below expected voltage.
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Vehicle dependent on auxiliary low voltage (LV) battery, and electrical system may lose power when the LV battery is depleted.
|
No
|
|
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A fault has been detected with the left rear turn or brake light.
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The left rear turn or brake light driver has reported a fault.
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The left rear turn or brake light may not be working.
|
No
|
|
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The occupancy and buckle sensors have detected that the driver unbuckled their seatbelt or left their seat with the tractor parking brake disengaged.
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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.
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Vehicle may roll away.
|
No
|
|
|
The jump seat buckle sensor is faulted.
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Buckle sensor is out of spec
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Cannot determine buckle of the seat
|
No
|
|
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Fifth wheel king pin release detected while slide release valve open. Possible air line plumbing error.
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Fifth wheel king pin release detected while slide release valve open.
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Fifth wheel king pin may release on slide release request. Slide may release on king pin latch release request.
|
No
|
|
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Abnormal Pulse Width Modulation (PWM) signal received from mid PWM height sensor.
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Abnormal PWM signal received from mid ride height sensor.
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Air suspension leveling will be disabled. Systems with adaptive dampers will disable active damping control.
|
No
|
|
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Switch voltages indicate door harness is not connected.
|
Door harness has come unconnected
|
Endpoints on the door will not work.
|
No
|
|
|
One or more of the expected CAN messages from the Drive Interface (DI) were not received while in drive.
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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.
|
No
|
|
|
The primary left vehicle controller (VCLEFTP) detects unexpected voltage on the cab door latch motor connection while not actuating or braking the motor.
|
VCLEFTP measures a voltage greater than 1V on the outputs of the door latch motor connection while not actuating or braking the motor.
|
Increased risk of the door opening unexpectedly.
|
No
|
|
|
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
|
|
|
Received ride height sensor calibration values are outside of allowable range.
|
Received ride height sensor calibration values are outside of allowable range.
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Air suspension will level to incorrect ride height.
|
No
|
|
|
One or more of the expected CAN messages from the Intelligent Air Processing Unit (IAPU) were not received.
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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.
|
No
|
|
|
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.
|
No
|
|
|
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
|
|
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The exhaust air valve has faulted.
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An unexpected current was measured on the exhaust air valve
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The air suspension system may not work as intended
|
No
|
|
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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.
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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.
|
No
|