User Manual - Page 253

For 2021 F-150 King Ranch®.

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The diesel exhaust fluid is empty. You must replenish the
diesel exhaust fluid to resume normal operation of your
vehicle. See Diesel Exhaust Fluid Capacity and Specific-
ation (page 249).
DEF Level Low Speed
Limited to XX MPH/km/
h
The selective catalytic reduction system detects low exhaust
fluid. The engine will eventually enter into an idle only mode.
You must replenish the diesel exhaust fluid to resume normal
operation of your vehicle. See Diesel Exhaust Fluid Capa-
city and Specification (page 249).
DEF Level Empty Engine
Idled Soon
The vehicle will enter into an idle only mode. You must
replenish the diesel exhaust fluid to resume normal operation
of your vehicle. See Diesel Exhaust Fluid Capacity and
Specification (page 249).
DEF Level Empty Engine
Idled See Manual
The selective catalytic reduction system detects a fault. The
vehicles top speed will become limited in the displayed
distance and count down from this point. Have your vehicle
checked as soon as possible.
DEF Fault Speed Limited
to XX MPH/km/h in XX
mi/km
The selective catalytic reduction system detects a fault. The
vehicles top speed will become limited upon restarting. Have
your vehicle checked as soon as possible.
DEF Fault Speed Limited
to XX MPH/km/h Upon
Restart
The selective catalytic reduction system detects a fault. The
vehicles top speed is limited. Have your vehicle checked as
soon as possible.
DEF Fault Speed Limited
to XX MPH/km/h
The selective catalytic reduction system detects a fault. The
engine will eventually enter into an idle only mode. Have your
vehicle checked as soon as possible.
DEF Fault Engine Idled
Soon
250
F-150 (TFD) Canada/United States of America, enUSA, Edition date: 202007, First-Printing
Selective Catalytic Reduction System - Diesel
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