New GMC 2500 Wont Engage Trailer Brakes
I have a new 2021 GMC 2500, Diesel. It will not engage trailer brakes unless the brake pedal is mashed to the floor. It is this way on any trailer it’s hooked up to. My 04 Silverado works fine on my t...
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Find the fuses associated with the brake...I think there are 2. Take both out at the same time and reseat them. That will force the truck to reboot the brake controls. I have heard that has worked. Good Luck!!
