2009 Chevy Cobalt 2.2l

Hello there i have a 2009 Chevy Cobalt 2.2l i had the traction control and abs light on in my sisters care changed both front wheel bearings and it went out some times it comes on when u step on the brake hard or turn a corner it will come back on i went down the wires and i did not see any breaks in the wire but i am getting stumped on what it could be just wondering what you guys think it could be

Thanks Huchters358