PREVOST H3-45 VIP Owner's Manual page 132

5-10 Other Features
SCR SYSTEM TAMPERING - DRIVER WARNING AND INDUCEMENT
Conditions / Triggers
1 Normal
No diagnostic
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
Message And Audible Warning
None
troubleshooting
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PA-1619 Owner's Manual H3-45 VIP
Warning Light, DID
SCR SYSTEM FAULT
ENGINE WILL DERATE
IN < XXX MINS
constant tone
SCR SYSTEM FAULT
ENGINE IN DERATE
5 MPH (8KM/H) LIMIT IN
< XXX MINS
constant tone
SCR SYSTEM FAULT
REPAIR NEEDED
5 MPH (8KM/H) LIMIT
NEXT VEHICLE STOP
constant tone
SCR SYSTEM FAULT
VEHICLE SPEED
LIMITED TO 5 MPH (8
KM/H)
constant tone
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)