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...
Forum Discussion
Paroled, I have been where you are and I feel for you. Since the GMC crowd say their controlers are very good, I would fight with the company for a solution. You can even ask for a new truck if it gets to that point.
That said, I had a P2 controller on my first Tundra and it was great. I moved up(?) to a 2017 Tundra with a built in controller and it was terrible. It was a timed controller and after meeting with Toyota, writing letters and making phone calls they told me it had been tested and that it was performing to standards which was all true. I still had my controller, found an in dash bracket and You Tube video and installed it myself. It is still working and working well.
That said, I had a P2 controller on my first Tundra and it was great. I moved up(?) to a 2017 Tundra with a built in controller and it was terrible. It was a timed controller and after meeting with Toyota, writing letters and making phone calls they told me it had been tested and that it was performing to standards which was all true. I still had my controller, found an in dash bracket and You Tube video and installed it myself. It is still working and working well.
