Banks Power Chevy_GMC Trucks: Duramax LLY (Diesel ’04 - 05 6.6L) Speed Control- SpeedBrake, Advance User Manual '04-05 For use with PowerPDA - Manual (Page 7)

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To change the target speed presets,
from the System Monitor screen, press
the center of the 5-way navigation
button to access the System Menu.
Press the “Speed Select” button as
shown in Figure 4 to access the
dialog screens. Read the text in the
first screen and press “Next” to go to
the second screen. Use the increase
or decrease buttons to alter the
values for the three speed presets as
desired (See Figure 6). When finished,
press the “Done” button to save the
selections and return to the System
Menu screen. Press the “Back” button
to return to the System Monitor
screen.
Note: If the target speed cannot be
met after the SpeedBrake has taken all
possible actions to do so, an advisory
message to the driver will display in
the Status Indicator on the System
Monitor screen instructing the use
of the foot brake to help slow the
vehicle. This feature may be disabled
in the “On Screen Alerts” section of
the System Menu.
Foot Brake activation
As with the ON mode, the Foot Brake
Activation feature allows the user
to customize the function of the
SpeedBrake to individual preference.
When SPEED cONTROL mode is
selected and Foot Brake Activation
is disabled, any use of the foot brake
will have no impact on SpeedBrake
activity. When Foot Brake Activation
is enabled, whenever the foot brake is
applied, the SpeedBrake will effectively
switch from SPEED cONTROL mode
to ON mode, closing the turbo
vanes to provide maximum braking
and downshifting the transmission
according to the selected Strength
setting.
Note: This change in braking
conditions will not change the
PowerPDA display.
Depending on the vehicle speed and
the target speed, the driver may or
may not notice any difference in
SpeedBrake functionality. For example,
if the target speed is 50 MPH and the
actual vehicle speed is 60 MPH, the
SpeedBrake will be selecting a braking
strategy in an attempt to slow the
vehicle down, but when the foot brake
is applied, there may be a noticeable
increase in SpeedBrake activity.
However, if the actual vehicle speed
is only 45 MPH, lower than the target
speed, the SpeedBrake will not be
providing any braking effort. Therefore,
when the foot brake is applied, braking
activity will become much greater
and the driver will feel an increase in
braking effect. This condition is useful
when the driver has selected the
SPEED cONTROL mode and conditions
require the vehicle to slow down or
stop, such as approaching a highway
off-ramp.
Figure 6