1999 Toyota camry check engine light code P0401

I have 1999 Toyota Camry 4 cl, 4 door, Automatic check engine light code P0401. Please explain me what should I have to change & Clean

I have satelite receiver Viewsat vsp lits

Hello,

I have FTA receiver "View sat LITE ". but some How now stop International channel. How Do I get again please give new update program.

Please give me suggestion about that,