NHTSA Complaint #11566645 — 2012 FORD EDGE

There was no warning stated in the dash, but I went to drive my car one day and the brakes were sunk to the floor. I drove it around carefully for a little bit and realized the brake pedal built pressure if it was constantly being pressed, however, it would lose the pressure instantly. I got the brakes bled and replaced a brake line since I had replaced both of the rear calipers prior (no issues there and no issues with brake pads or the brakes themselves). A few weeks went by and I lost the pressure again instantly. I called the mechanic to take a look and they replaced the brake booster and master cylinder and bled the brakes. The brake lines/hoses were fine with no leaks. I picked the vehicle up and the brake pedal is still soft and mushy with no pressure building. I am scared to drive it in case I accidentally hit someone and it is currently winter (snow & ice). I have new tires but I fear the brakes will give out on me soon. I don’t think these parts are up for inspection or whether the issue is with the abs module or the HCU, but it appears to be a common issue with 2012 ford edges and other years. The time frame for this is all within 10 weeks since I wasn’t driving my vehicle for about 4 weeks.