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Upshifts when Accelerating (Recommended for Best Fuel Economy) 10 Speed
36 mph (58 km/h)34 mph (55 km/h)7 - 8
45 mph (72 km/h)44 mph (71 km/h)8 - 9
49 mph (79 km/h)47 mph (76 km/h)9 - 10
Automatic Transmission Adaptive
Learning
This feature's design is to increase
durability and provide consistent shift feel
over the life of your vehicle. A new vehicle
or transmission may have firm shifts, soft
shifts or both. This operation is normal and
does not affect function or durability of the
transmission. Over time, the adaptive
learning process fully updates transmission
operation. Additionally, whenever you
disconnect the battery or install a new
battery, the system must relearn the
strategy.
For F350, F450, F550 and F600
Chassis Cab Vehicles (If Equipped)
Your transmission may automatically
reduce the load on the engine when the
vehicle stops, and the gear selector is in
drive (D) to reduce fuel consumption and
emissions. The transmission automatically
resumes operation when you release the
brake. This feature activates when the
transmission is sufficiently warmed and
the vehicle is on level grade.
Brake-Shift Interlock
WARNING: When doing this
procedure, you need to take the
transmission out of park (P) which
means your vehicle can roll freely. To
avoid unwanted vehicle movement,
always fully apply the parking brake prior
to doing this procedure. Use wheels
chocks if appropriate.
WARNING: If the parking brake is
fully released, but the brake warning
lamp remains illuminated, the brakes
may not be working properly. Have your
vehicle checked as soon as possible.
Note: Do not drive your vehicle until you
verify that the brake lamps are working.
Your vehicle comes with brake-shift
interlock that prevents the gearshift lever
from moving from park (P) when the
ignition is on and the brake pedal is not
pressed.
If you cannot move the gearshift lever out
of park (P) position with the ignition is on
and the brake pedal pressed, a malfunction
may have occurred. It is possible that a
fuse has blown or your vehicle’s brake
lamps are not operating properly. See
Fuse Specification Chart (page 334).
If the fuse is not blown and the brake
lamps are working properly, the following
procedure allows you to move the gearshift
lever from park (P):
209
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201909, First-Printing
Transmission
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