Check The Power Source Of ABS Control Module

Disconnect the connector from the ABS control module.
Turn the ignition switch ON, measure the voltage between terminal 3 of the ABS control module harness side connector and body ground.
Specification : approximately B+

Fig 1: Measuring Voltage Between Terminal 3 Of ABS Control Module Harness Side Connector & Body Ground
Courtesy of KIA MOTORS AMERICA, INC.
Is voltage within specification?
YES
- Check for poor ground.
NO
- Check the harness or connector between the fuse (10A) in the engine compartment junction block and the ABS control module. Repair if necessary.