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GAIN Adjustment Buttons (+/-)
Pushing these buttons will adjust the brake
control power output to the trailer brakes in
0.5 increments. The GAIN setting can be in-
creased to a maximum of 10 or decreased to a
minimum of 0 (no trailer braking).
GAIN
The GAIN setting is used to set the trailer brake
control for the specific towing condition and
should be changed as towing conditions
change. Changes to towing conditions include
trailer load, vehicle load, road conditions and
weather.
Adjusting GAIN
NOTE:
This should only be performed in a traffic free
environment at speeds of approximately 20–
25 mph (30–40 km/h).
1. Make sure the trailer brakes are in good
working condition, functioning normally and
properly adjusted. See your trailer dealer if
necessary.
2. Hook up the trailer and make the electrical
connections according to the trailer manu-
facturer's instructions.
3. When a trailer with electric/EOH brakes is
plugged in, the trailer connected message
should appear in the instrument cluster dis-
play (if the connection is not recognized by
the ITBM, braking functions will not be
available), the GAIN setting will illuminate
and the correct type of trailer must be se-
lected from the instrument cluster display
options.
4. Push the UP or DOWN button on the steer-
ing wheel until “TRAILER TOW” appears on
the screen.
5. Push the RIGHT arrow on the steering wheel
to enter “TRAILER TOW”.
6. Push the UP or DOWN buttons until the
Trailer Brake Type appears on the screen.
7. Push the RIGHT arrow and then push the UP
or DOWN buttons until the proper Trailer
Brake Type appears on the screen.
8. In a traffic-free environment, tow the trailer
on a dry, level surface at a speed of 20–
25 mph (30–40 km/h) and squeeze the
manual brake control lever completely.
9. If the trailer wheels lockup (indicated by
squealing tires), reduce the GAIN setting; if
the trailer wheels turn freely, increase the
GAIN setting.
Repeat steps 8 and 9 until the GAIN setting is at
a point just below trailer wheel lockup. If towing
a heavier trailer , trailer wheel lockup may not be
attainable even with the maximum GAIN setting
of 10.
Display Messages
The trailer brake control interacts with the in-
strument cluster display . Display messages,
along with a single chime, will be displayed
when a malfunction is determined in the trailer
connection, trailer brake control, or on the
trailer. Refer to “Instrument Cluster Display” in
“Getting To Know Your Instrument Panel” for
further information.
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