I know this is old but just in case anyone else runs in to this problem here is the fix.
Put the truck in brake service mode. Do this by turning the ignition on (do not start), press and hold the brake pedal down, pres and hold the parking brake button for 10 seconds, release the brake pedal, release the parking brake button, then press the parking brake button again. You should get a brake like with a wrench on it of done correctly.
Next you want to start the truck, and while in brake service mode, delete the codes.
To exit brake service mode, turn the ignition on again, hold the brake pedal down, press and hold the parking brake button for 5 seconds.
You should be good to go after this.