I'm a little late to this party but a problem has developed on my P3. I have upgraded Mor/ryde disk brakes on my Travel Supreme 5er and last year didn't have any problems. I even had to back off the setting because of too much 5er brakes. Now, I'm hardly getting any action out of braking and I've turned the P3 way up. When I hit the brakes, I'm only getting .3 to .7 when I used to get 2.0 to 3.0. I emailed Tekonsha but no response yet. I think the controller has gone bad because when I reach down and use the brake lever on the controller it stops great! Any thoughts? Thanks