Might have to pull all 4 or else it'll be 3-wheel braking for the first few miles. I assume the wheels are all the same size? Are the abs wires stained at all with the lift? Might be worth watching them all with a monitor to see if any are acting up. I think Forscan is available directly from their website. It's a pirated copy of Ford's IDS, basically, and I know it was recently pulled from the Google store. It works for ios and windows too and can be connected by usb or bluetooth/wifi obdii dongle.