Check Power To Range Switch,

Disconnect "TRANSAXLE RANGE SWITCH" connector.
Ignition "ON" & Engine "OFF".
Measure voltage between terminal "8" of the sensor harness connector and chassis ground.
Specification : +

Fig 1: Measuring Voltage Between Terminal 8 Of Sensor Harness Connector And Chassis Ground
Courtesy of HYUNDAI MOTOR CO.
Is voltage within specifications?
YES
- Go to "SIGNAL CIRCUIT INSPECTION " procedure.
NO
- Check that Fuse OA is installed or not blown.
- Check for open in harness. Repair as necessary and Go to "VERIFICATION OF VEHICLE REPAIR " procedure.