PREVOST H3-45 VIP Owner's Manual page 116

5-10 Other Features
SCR SYSTEM TAMPERING - DRIVER WARNING AND INDUCEMENT
Conditions / Triggers
1 Normal
No diagnostic troubleshooting code
active
2 SCR system tampering
diagnostic troubleshooting code
confirmed
3 Reached one (1) hour of operation
with active
SCR system tampering
diagnostic troubleshooting code
confirmed
4 Reached four (4) hours of operation
with active
SCR system tampering
diagnostic troubleshooting code
confirmed
5 Diesel fuel refueling done with a fuel
level sensor increase of 15% or
more
Amber Warning Light, Did Message
And Audible Warning
None
SCR SYSTEM FAULT
ENGINE WILL DERATE IN
solid
< XXX MINS
constant tone
SCR SYSTEM FAULT
ENGINE IN DERATE
solid
5 MPH (8KM/H) LIMIT IN <
XXX MINS
constant tone
SCR SYSTEM FAULT
REPAIR NEEDED
solid
5 MPH (8KM/H) LIMIT
NEXT VEHICLE STOP
constant tone
SCR SYSTEM FAULT
VEHICLE SPEED LIMITED
solid
TO 5 MPH (8 KM/H)
constant tone
PA-1638 Owner's Manual X3-45 VIP
Inducement
None
Warning message
Engine torque reduction of
25%
Engine torque reduction of
40%
Vehicle road speed limited
(RSL) to 5 mph (8 km/h)