How do you fix code P0705 transmission range sensor in Hyundai Elantra?

To fix the P0705 code related to the transmission range sensor in a Hyundai Elantra, first, inspect the wiring and connectors for any damage or corrosion. If the wiring is intact, test the transmission range sensor itself for proper functionality and resistance values according to the manufacturer's specifications. If the sensor is faulty, replace it with a new one. Finally, clear the code and perform a test drive to ensure the issue is resolved.