Trailer Gain and Output
On vehicles with the Integrated Trailer Brake Control (ITBC) system, the trailer brake display appears in the DIC. Press the vehicle information button until TRAILER GAIN and OUTPUT display.
TRAILER GAIN shows the trailer gain setting. This setting can be adjusted from 0.0 to 10.0 with either a trailer connected or disconnected.
OUTPUT shows the power output to the trailer any time a trailer with electric brakes is connected. Output is displayed in 0 to 10 bars. Dashes may appear in the OUTPUT display.
To adjust trailer gain see “Integrated Trailer Brake Control System” under Towing Equipment on page 9‑100 for more information.
See also:
Programming Transmitters to the Vehicle
Only RKE transmitters programmed to this vehicle will work. If a transmitter is lost or stolen, a replacement can be purchased and programmed through your dealer.
When the replacement transmitter is ...
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can
be obtained from your dealer.
If your vehicle has a diesel engine, see the Duramax diesel supplement for more
informa ...
Trailer Towing
Before pulling a trailer, there are three important considerations that have
to do with weight:
○ The weight of the trailer
○ The weight of the trailer tongue
○ The total weight ...





