Two problems related to brake electric antilock have been reported for the 1999 Subaru Outback. The most recently reported issues are listed below.
While driving down road applied brakes and transmission jumped hard into a lower gear and then brakes would grab. Driving on highway, travelling 35mph with snow on the road and coming off a ramp, tapped the brakes, and all wheels locked up, and vehicle went out of control, hitting a pole. Contacted dealer. Dealer informed consumer that the transmission was causing the problem. Also, this was the second time vehicle went out of control. Was also told that transmission was being redesigned.
When driving at highway speed and going up a incline, applied the brakes and brake pedal was soft, and went straight to the floorboard, causing consumer to slow down and rear end another vehicle.