Try to clean the both the abs sensor harness connector and the connector that it plugs into.(both connectors male, and female. Probably happens when you hit a heavy bump.
My 1998 Cadillac Deville Traction Control Light Comes Back On Once Codes Are Cleared. I've Also Pushed The Traction Control Button In The Glove Box The Light Still Comes Back On. What Else Can I Do To Try And Solve This Problem?