Check The Ground Circuit

Disconnect the connector from the ABS control module.
Check for continuity between terminals 1, 4 of the ABS control module harness side connector and ground point. Is there continuity?
YES
- No further action is required.
NO
- Repair an open in the wire and ground point.
  
  Fig 1: Checking Continuity Between Terminals 1, 4 Of ABS Control Module Harness Side Connector And Ground Point
  Courtesy of KIA MOTORS AMERICA, INC.