Gammellicious

Hello I'm new to the forum and new to dodge journeys. I recently purchased a 2011 3.6 AWD journey and I'm having brake issues. The driver side front brake keeps dragging. Now my traction control light is on and it's in limp mode. I plugged my scanner in and got a U0002-88 for can bus short for the ABS module. Any ideas where I should begin looking?