2007 Toyota Camry Question: Door ajar light stays on at all times?

Probably one of your door jambs switches failed and thinks the door is always open, You need to determine which switch needs replacement by testing each switch will a meter, but since the drivers door has the most traffic test that one first or have a shop repair this and you can locate a shop here www.repairpal.com/directory I see Airtex brand ( Aftermarket ) carries these and the dealer also