Alerts
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| Signal Name | Description | Condition | Impact | Important |
|---|---|---|---|---|
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Unpark prevented due to brake pedal interlock not being satisfied.
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Driver attempts to unpark without the brake pedal pressed
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Tractor/Trailer unpark request not honored
|
No
|
|
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Vehicle park brake was unable to release due to an error.
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There is an issue detected with on of the sources required to unpark the Tractor/Trailer
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Vehicle Park brakes may not release
|
No
|
|
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The status of the tractor/trailer air status may be unknown.
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The Tractor/Trailer pressure sensors have an error
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Park brakes may be unable to report the correct tractor/trailer air status
|
No
|
|
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The vehicle has executed an exhaust event while at speed.
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User pulls the tractor or trailer switches to park the vehicle while the vehicle is at speed
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The vehicle may unpark the park brakes automatically if the vehicle is still at speed when switches are released
|
No
|
|
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The PPB has parked the tractor and trailer due to possible rollaway event.
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The park brakes has determined that it should park the brakes in case of a rollaway event
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Vehicle has parked its self for safety
|
No
|
|
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The PPB was turned off unexpectedly.
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PPB loses low voltage when it did not expect to
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Vehicle may be left in an unparked state
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No
|
|
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PPB internal processors disagree on expected valve state.
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Auc and Buc processors disagree on the PPB valve state
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Functions on the intellipark device may not operate nominally
|
No
|
|
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PVM Pressure Sensor fault.
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Pressure sensor issue has been detected, may indicate pressure sensor short
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PPB is unable to read pressure values
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No
|
|
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The two PPB processors is receiving conflicting speed information from the available speed sources.
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Auc and Buc processors disagree on the the determined vehicle speed
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Some PPB features may not operate nominally
|
No
|
|
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The PPB has seen a mismatch on the two expected LV inputs on CAN.
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VC_ppb1LVState & VC_ppb2LVState signals used to communicate PPB LV Status are mismatched
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PPB may be turned on even though one of the LV signals says its turned off
|
No
|
|
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One of the PPB CAN signals used to determine air tank pressures has gone MIA.
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PPB has missed 10 samples of one of the CAN signals PPB uses for air tank pressure
|
N/A
|
No
|
|
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Solenoid monitor detected incorrect solenoid behavior.
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Incorrect solenoid activity was detected by the solenoid monitor
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Park brakes solenoids may be improperly wired
|
No
|
|
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Vehicle park brake operating mode is not normal - User has entered a non-normal operating mode.
|
User has set the park brakes into a non-normal state
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Park brakes will not oprate as nominally expected
|
No
|
|
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Internal PPB software is detecting the incorrect CAN baud rate between processors.
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Incorrect vehicle programming detected
|
Vehicle park brake functions are lost
|
No
|
|
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Internal trailer brake monitor has detected an issue with releasing.
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Internal trailer brake monitor has detected an issue with releasing
|
Trailer park brake release may not occur
|
No
|
|
|
One of the CAN nodes that PPB expects to receive messages from is MIA.
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10 message samples from a node PPB is relying on for functions is MIA
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Features that rely on these signals may not function - Anti-rollaway, Exhaust at speed
|
No
|
|
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Anti-rollaway feature issue detected.
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Anti-rollaway issue detected - Taking longer then it should or activating when it should not
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Loss of Anti-rollaway feature
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No
|
|
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Trailer switch button hardware issue detected.
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Hardware issue is detected with the trailer switch
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Unable to park or unpark
|
No
|
|
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Tractor switch button hardware issue detected.
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Hardware issue is detected with the tractor switch
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Unable to park or unpark
|
No
|
|
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Tractor or Trailer LED hardware issue detected.
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Tractor or Trailer LED hardware issue detected
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Incorrect or unavailable LED Status for tractor or trailer
|
No
|