check engine light read p1403 module tank leak valve circuit. what is this? on 2003 Kia Spectra

The Check engine light is on and my 2003 kia spectra 4 door sedan has diagnostic codes : P1403 At Auto zone code read DETECTION MODULE TANK LEAK VALVE CIRCUIT. What does this mean in plain english? Where is the problem located,and how can I fix it?

Asked by for the 2003 Kia Spectra