•
The MIL lamp illuminates.
•
The driver display screen presents the
warning, ’DEF Tank Empty.’ See Fig. 13.8.
Power is limited with progressively harsher engine
power limits applied.
DEF Tank Empty and Ignored
If the empty warning is ignored and the DEF tank is
not refilled, the red STOP engine lamp illuminates in
addition to the MIL lamp and CHECK engine lamp
(on vehicles with a Cummins ISB or ISC/L engine).
If the DEF is not refilled, a 5 mph (8 km/h) speed
limit is applied after the next engine shutdown, while
parked and idling, or if a fuel refill is detected.
DEF Contamination or SCR Tampering
NOTICE
Once contaminated DEF or tampering has been
detected, the vehicle must be taken to an
authorized service facility to check the SCR
system for damage and to deactivate the warning
lights and engine limits.
If contaminated DEF or tampering with the ATS is
detected, the DEF warning light flashes and the MIL
lamp illuminates to warn the driver. The CHECK
engine lamp also illuminates on vehicles with a
Cummins ISB or ISC/L engine.
•
Detroit engines: Engine power is limited with
progressively harsher limits applied. If the fault
is not corrected, the STOP engine light
illuminates and a 5 mph (8 km/h) speed limit is
applied after the next engine shutdown, while
parked and idling, or if a fuel refill is detected.
f61140906/28/2016
1
2
43
1. Fuel Gauge Pointer
2. DEF Gauge Pointer
3. Low Fuel Level Warning Lamp
4. Low DEF Level Warning Lamp
Fig. 13.7, Fuel/DEF Gauge
f61139705/15/2017
AB
A. DEF Level Low B. DEF Tank Empty
Fig. 13.8, DEF Level Messages
Emissions
13.8
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