As described in Setting Up Alerts, the Active Faults Found -- High Priority alert is recommended and should be included in Vehicle Manager alert plans.
The following events trigger High Priority alerts:
Transmission Oil Level High/Low
Engine Oil Level
Engine Coolant Temperature
Transmission Oil Level
Transmission #1 Oil Temperature
Engine Oil Temperature
Coolant Level
Soot Sensor detects elevated Soot Level
Transmission #2 Oil Temperature
Transmission Oil Level 1
Engine Turbocharger Oil Temperature
Engine Oil Temperature 2
Engine Auxiliary Coolant Temperature
Engine Coolant Temperature (High Resolution)
Engine Coolant Level โ Main Radiator
Engine Oil Rail High Pressure Leakage
Transmission Oil Level 1 High / Low
Transmission Oil Temperature 2
Transmission Oil Level 2 High / Low
Engine Oil Temperature 3
Engine Coolant Temperature 3
Engine Coolant Level 2
Engine Oil Pressure (High Resolution/Extended Range)
Medium Priority events include Engine Fuel 1 Injector Metering Rail 1 Pressure
All other faults are low priority events.