Other Features
97
SCR SYSTEM TAMPERING
DRIVER WARNING AND INDUCEMENT
CONDITION TELLTALE INDUCEMENT
Tampering detected
Tampering DTC pending.
lighted solid
None
Tampering detected
Tampering DTC confirmed.
lighted solid
None
1 hour after tampering DTC detection
(chronological time after the initial tampering
DTC emission).
lighted solid
Gradual engine torque reduction
of 25%.
3 hours after tampering DTC detection
(chronological time after the initial tampering
DTC emission).
moreover
a diesel fuel refueling is done and the diesel
fuel level gauge increases more than
15%
(approx. 34 gallons/130 liters)
or
the vehicle remains stationary (speed=0) for
20 min. with engine OFF or at idle.
lighted solid
Vehicle road speed limited (RSL)
to 5 mph (8 km/h)
The vehicle has to be stationary
before 5 mph (8 km/h) road
speed limit becomes active.
Correcting the SCR tampering condition will exit inducement.
Repeating SCR tampering within 40 hrs since correction will resume the inducement at the same
inducement stage and timer status existing at the time of correction.
If correction occurs during road speed limitation, repeating tampering will invoke immediate 25% engine
torque reduction, then 5 mph (8 km/h) road speed limitation upon vehicle stationary state of 20 minutes.
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